專用

人人文庫

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

ElectricEquipmentInstallationEngineering-

StandardforHand-overTestofElectricEquipment

GB50150-2016

ChiefDevelopmentDepartment:ChinaElectricityCouncil

ApprovalDepartment:MinistryofHousingandUrbanRural

-

DevelopmentofthePeoplesRepublicofChina

ImplementationDate:December1，2016專用

人人文庫

ChinaPlanningPress

Beijing2019

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2006

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2019

byChinaPlanningPress

rd

，，專用

3FloorCTowerGuohongBuilding

No.A11，Muxidi-Beili，XichengDistrict

Beijing，100038

PrintedinChinabyBeijingJingyintangGraphicPrintingCenter

?2019byMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymeans人人文庫，graphic，electronic，ormechanical，includingphotocopying，recording，

oranyinformationstorageandretrievalsystems，withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot，bywayoftradeorotherwise，belent，

resold，hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-1140-1

中華人民共和國住房和城鄉建設部公告

2019年第338號

住房和城鄉建設部關于發布《電氣裝置安裝工程

接地裝置施工及驗收規范》

等10項工程建設標準英文版的公告

現批準《電氣裝置安裝工程接地裝置施工及驗收規范》（GB50169—2016）、《±800kV直

流換流站設計規范》（GB/T50789—2012）、《1000kV系統電氣裝置安裝工程電氣設備交接試

驗標準》（GB/T50832—2013）、《光伏發電站施工規范》（GB/T50794專用—2012）、《光伏發電站設

計規范》（GB/T50797—2012）、《光伏發電工程驗收規范》（GB/T50796—2012）、《電氣裝置安

裝工程電氣設備交接試驗標準》（GB50150—2016）、《電力設施抗震設計規范》（GB50260—

2013）、《110kV～750kV架空輸電線路施工及驗收規范》（GB50233—2014）、《電氣裝置安裝工

程串聯電容器補償裝置施工及驗收規范》（GB51049—2014）英文版。工程建設標準英文版

與中文版出現異議時，以中文版為準。

工程建設標準英文版由住房和城鄉建設部組織中國計劃出版社出版發行。

中華人民共和國住房和城鄉建設部

2019年12月11日

人人文庫

Foreword

ThisStandardisrevisedbyChinaElectricPowerResearchInstituteandrelevantdepartmentson

thebasisofStandardforHandOverTestofElectricEquipmentElectricEquipmentInstallationEngi-

--

neeringGB50150-2006accordingtotherequirementsofDocumentJianBiao〔2009〕No.88issuedby

MinistryofHousingandUrbanRuralDevelopmentofthePeoplesRepublicofChina"NoticeonPrint-

--

ingtheDevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsin2009".

Intheprocessofrevisingthisstandard，wehavesummedupthenewrequirementsandrelevantex-

perienceofscienceandtechnologyaswellasfieldpractice，andsolicitedtheopinionsextensivelyfromthe

concerneddepartmentsnationwide.Wehavedeliberatedandincorporatedthefeedbackcommentsand

submittedthedraftversionforapproval.Afterreviewing，thelatestversionofthisstandardisfinalized.

Thisstandardcomprises26chaptersand9appendixeswiththemaincontentsasfollows:general

provisions，terms，basicrequirements，synchronousgeneratorandsynchronouscompensator，direct

currentDCmachine，intermediatefrequencygenerator，alternatecurrentACmotor，powertrans-

（）-（）

former，reactorandarcsuppressioncoil，instrumenttransformer，vacuumcircuitbreaker，sulfurhexa-

-專用

fluorideSFcircuitbreaker，gasinsulatedmetalenclosedswitchgear，disconnectorandloadbreak

（6）---

switchandhighvoltagefuse，bushing，suspensioninsulator，postinsulator，powercablelines，capaci-

-

tor，insulatingoilandSFgas，lightningarrester，electrostaticprecipitator，secondarycircuit，distribu-

6

tionequipmentandfeedercircuitwithvoltagesof1kVandbelow，overheadpowerlineswithvoltages

above1kV，groundingconnectionandthelowvoltageelectricalapparatus，etc.

-

ThecontentsthathavebeenrevisedinthisStandardmainlyinclude:1.Theapplicationscopeof

ACvoltageforhandovertestofelectricequipmenthasbeenextendedfrom"500kVandbelow"to"

-

750kVandbelow".2.Termsintheoriginalstandardhavebeenrevised.3.Thechapterof"basicrequire-

ments"hasbeenadded.4.Thechaptersof"OilCircuitBreaker"and"AirandMagneticBlowoutCircuit

-

Breaker”intheoriginalstandardhavebeendeleted.5.Sometestitemsandstandardsusedforsynchro-

nousgeneratorandsynchronouscompensator，powertransformer，reactorandarcsuppressioncoil，in-

-

strumenttransformer，vacuumcircuitbreaker，sulfurhexafluorideSFcircuitbreaker，gasinsulated

（6）-

metalenclosedswitchgear，powercablelines，andcapacitor，havebeenrevised.6.Thetestitemand

-

standardforlimited人人文庫valueofparticulatepollutantintransformeroilhavebeenadded.7.Testitemsand

standardsforthemeasurementofsurfacepotentialdistributionof，touchpotentialdifference，stepvolt-

ageanddivertingpotentialforgroundingdevicehavebeenadded.8.TheAppendixD"DCLeakageCur-

rentReferenceValueofOilImmersedPowerTransformerWinding"intheoriginalstandardhasbeen

-

deleted.9.TheAppendixC"TemperatureConversionofDielectricLossTangenttanδ（%）forWinding

togetherwithBushing"，AppendixD"VoltageappliedinACVoltageWithstandTestforPowerTrans-

formerandReactor"andAppendixE"TestofCircuitBreakerOperatingMechanism"havebeenadded.

Theprovisionsprintedinboldtypearecompulsoryonesandmustbeenforcedstrictly.

TheMinistryofHousingandUrbanRuralDevelopmentofthePeoplesRepublicofChinaisin

-

·1·

chargeoftheadministrationandexplanationonthemandatoryclauses.ChinaElectricityCouncilisre-

sponsiblefortheroutinemanagementofthisstandardandChinaElectricPowerResearchInstitutefor

theexplanationonthedetailedtechnicalcontents.

Allrelevantorganizationsarekindlyrequestedtosumupandaccumulateyourexperienceinactual

practicesduringtheprocessofimplementingthisStandard.Therelevantopinionsandadvice，whenever

necessary，canbepostedorpassedontoChinaElectricPowerResearchInstitute（Address:No.33，

SouthBinheRoad，XuanwuDistrict，BeijingCity，Postalcode:100055）forreferenceinfuturerevision.

ThefollowingaretheChiefDevelopmentOrganization，ParticipatingDevelopmentOrganiza-

tions，ParticipatingOrganization，ChiefDraftingStaffandChiefReviewStaffofthisStandard:

ChiefDevelopmentOrganization:

ChinaElectricPowerResearchInstitute

ParticipatingDevelopmentOrganizations:

StateGridPowerGridResearchInstitute

NortheastChinaElectricPowerResearchInstituteCo.，Ltd.

NorthChinaElectricPowerResearchInstituteCo.，Ltd.

HebeiElectricPowerResearchInstitute

ShanghaiElectricPowerResearchInstitute

AnhuiElectricPowerResearchInstitute專用

HubeiElectricPowerResearchInstitute

BeijingElectricPowerCompany

ChinaEnergyEngineeringGroupTianjinElectricPowerConstructionCo.，Ltd.

SEPCO1ElectricPowerConstructionCorporation

NortheastChinaPowerAdministrationNo.2ConstructionCompany

ShenzhenPowerSupplyBureauCo.，Ltd.ShenzhenPowerTechnologyResearch

Center

GuangdongElectricTransmissionandTransformationCompany

ShandongDachiElectricCo.，Ltd.

ParticipatingOrganization:

ShandongTaikaiTransformerCo.，Ltd.

ChiefDraftingStaff:

GaoKeliWangXiaoqiLiJinzhongJingJinLiuXiuliSunQianZhangShuqi

人人文庫GaoFeiFanHuiBaiYaminTianXiaoYangRongkaiRuanLingGeZhanyu

LiuZhiliangYaoShenjingLiuWensongGuChaoChenZinianDengChun

LiHaishengChenWeimin

ChiefReviewingStaff:

HanHonggangChenFayuYuXiaoyanZhuChunWangJinyao

ShanYingzhongLiYuejinZhengXuHuangGuoqiangLiuShihuaJiaYibao

ZhangChengYangJunhai

ChiefInterpreteringStaff:

TianxiaoLiKaizhouXuJunGeZhanyuZengGuangyuGuWei

ChengYangchunHeFeiZhuHong

·2·

Contents

1GeneralProvisions……………（1）

2Terms…………………………（2）

3BasicRequirements……………（3）

4SynchronousGeneratorandSynchronousCompensator………（6）

5DCMotor………………………（13）

6IntermediatefrequencyGenerator……………（15）

-

7ACMotor………………………（16）

8PowerTransformer……………（19）

9ReactorandArcSuppressionCoil……………（25）

10InstrumentTransformer………………………（27）

11VacuumCircuitBreaker………………………（32）

12SulfurHexafluorideSFCircuitBreaker34

（6）……………………（）

13GasinsulatedMetalenclosedSwitchgear（GIS）……………（37）

--

14Disconnector，LoadbreakSwitchandHighVoltageFuse……（39）

-

15Bushing………………………專用（41）

16SuspensionInsulatorandPostInsulator………（43）

17PowerCableLine……………（44）

18Capacitor………………………（47）

19InsulationOilandSFGas49

6……………………（）

20SurgeArrester…………………（52）

21ElectrostaticPrecipitator………………………（54）

22SecondaryCircuit……………（56）

23DistributionEquipmentandFeederLinewithVoltageLevelof1kVorBelow……………（57）

24OverheadPowerLinewithVoltageLevelofabove1kV……（58）

25GroundingConnection………………………（59）

26LowvoltageElectricApparatus………………（61）

-

AppendixASpecialTestItems…………………（62）

AppendixBConversionCoefficientforInsulationResistanceValues

ofGeneratorStatorWindingConvertedintoThoseatOperatingTemperature…（64）

AppendixCTemperatureConversionofDielectricLossTangent（tanδ，%）for

Winding人人文庫TogetherwithBushing65

……………………（）

AppendixDVoltageAppliedinACVoltageWithstandTestforPower

TransformerandReactor……………（66）

AppendixETestofCircuitBreakerOperatingMechanism……（67）

AppendixFVoltageAppliedinPowerfrequencyVoltageWithstandTestfor

-

InsulationofHVElectricEquipment………………（69）

AppendixGTestMethodsandRequirementsforCrossbondedSystemofPowerCableLine…（70）

-

ExplanationofWordinginThisStandard…………（72）

ListofQuotedStandards…………（73）

1GeneralProvisions

Thisstandardisformulatedwithaviewtomeettherequirementsofhandovertestofelectric

1.0.1-

equipmentinelectricequipmentinstallationprojectsandpromotetheextensionandapplicationofnew

technologiesforhandovertestofelectricequipment.

-

ThisstandardisapplicabletothehandovertestofnewlyinstalledelectricequipmentwithAC

1.0.2--

voltagesof750kVandbelowthatconformstotherelevantnationalstandardsforfactoryacceptancetest.

Thehandovertestsforrelayprotection，automation，telecontrol，communication，measuringand

1.0.3-

rectifyingdevices，DCfieldequipmentandthemechanicalpartofelectricequipment，shallbeconducted

respectivelyaccordingtoprovisionsofthecurrentrelevantnationalcodes.

Inadditiontofollowingtheprovisionsofthisstandard，thehandovertestofelectricequipment

1.0.4-

inelectricequipmentinstallationengineeringshallcomplywiththerelevantprovisionsofthecurrent

nationalstandards.

專用

人人文庫

·1·

2Terms

Automaticdeexcitationequipment

2.0.1-

Itisanautomaticdevicethatisusedfordeexcitationofgeneratorandexciter.

-

Inductivevoltagetransformer

2.0.2

Itisakindofvoltagetransformerthattransformsprimaryvoltageintosecondaryvoltagein

proportionbyelectromagneticinduction.Theotherelectricalcomponentsthattransformprimary

voltagearenotattachedtothiskindoftransformer.

Capacitorvoltagetransformer

2.0.3

Itisakindofvoltagetransformerthatconsistsofcapacitivevoltagedividerandelectromagnetic

unit.Itsdesignandinternalwiringenablethesecondaryvoltageinelectromagneticunittobeindirect

proportiontotheprimaryvoltagethatisappliedtocapacitivevoltagedivider.Whenitisconnectedina

correctmanner，itsphasedifferenceisclosetozero.

Invertedcurrenttransformer

2.0.4

Itisakindofcurrenttransformerthatitssecondarywindingandironcorearelocatedatthetopof

thewholestructure.專用

Selfcontainedoilfilledcable

2.0.5--

Itisakindofpowercablethateliminatesairgapininsulatinglayerintheprincipleof

supplementaryimpregnationsoastoimproveoperationfieldstrength.

Couplingcapacitor

2.0.6

Itisakindofcapacitorthattransmitsinformationinelectricsystems.

Electrostaticprecipitator

2.0.7

Itmeansaprecipitatorthatseparatesdustfromdustygasthroughutilizingtheadsorptioneffect

imposedonchargeddustbyhighvoltageelectricfield.

Secondarycircuit

2.0.8

Itcomprisescircuitssuchasoperatingcircuit，protectioncircuit，measuringcircuitandsignalcircuit

ofelectricequipment，actuatorcoil，contactorrelay，instrumentandsecondarywindingofinstrument

transformer，etc.

Feederline

2.0.9

Itisatransmission人人文庫linethroughwhichpowerissuppliedfrompowersourceendtoloading

equipment.

Largescalegroundingconnection

2.0.10-

Itreferstothegroundingconnectionsinsubstationswithvoltagesof110（66）kVandabove，fossil

firedorhydraulicpowerplantswithcapacitiesof200MWandabove；orgroundingconnectionswith

equivalentplaneof5000m2andabove.

·2·

3BasicRequirements

ACvoltagewithstandingtestofelectricalequipmentshallbeconductedaccordingtothis

3.0.1

Standardandshallmeetthefollowingrequirements:

DuringtheACvoltagewithstandingtest，whenthevoltageisincreasedtostandardvoltageof

1

thetest，thelastingtimeshallbe1minuteifthereisnospecialinstruction.

Whenthevoltagevalueofwithstandingtestiscalculatedbasedonthemultiplesofrated

2

voltage，thevoltageforgeneratorandelectricmotorshallbeaccordingtoratedvoltageinnameplate.

ThevoltageforcablemaybecalculatedbymethodsstipulatedinChapter17ofthisstandard.

Asprescribedinthisstandard，thevoltagevalueofACwithstandtestfornonstandardvoltage

3-

equipmentmaybecalculatedbyinterpolationmethodinproportiontoadjacentvoltagelevelswhen

thereisnospecialrequirement.

Whentheinsulationtestismade，theconnectedequipmentordevicesshouldbeseparatedto

3.0.2

conductindividualtestexceptforthecompletesetofequipmentassembledbymanufacturer.Equipment

withthesameteststandardmaybeconnectedfortesting.Inordertobeconvenientfortest，electric

equipmentatthesamevoltagelevelwithdifferentteststandardsand專用factoryacceptancerecordsmay

alsobeconnectedtogetherwhensingletestisdifficult.Theteststandardshalladopttheminimum

standardamongalltheconnectedequipment.

Theinsulationtestforoilimmersedtypetransformerandreactorshallnotbeconducteduntil

3.0.3-

theyarefilledwithqualifiedoilandairbubblesareeliminatedafterstandingforacertaintime.Standing

timecomplieswiththemanufacturersrequirement.Whenthereisnorequirementbymanufacturer，the

relationshipbetweenvoltageclassoftheoilimmersedtypetransformerandreactorandstandingtime

-

shallbedeterminedaccordingtothosesetoutinTable3.0.3.

Table3.0.3Relationshipbetweenvoltageclassoftheoil-immersedtype

transformerandreactorandstandingtimeafteroilfilling

Voltageclass（kV）110（66）andbelow220-330500750

Standingtime（h）≥24≥48≥72≥96

Ifonlyindividualitemscannotsatisfyprovisionsofthisstandardduringthemeasurementand

3.0.4

testonelectricinsulation人人文庫，itshallmakesyntheticjudgmentoncomprehensivetestrecords，andthe

eligibleonesmaybeputintooperation.

Iftheratedvoltageofelectricequipmentisdifferentfromtheactualworkingvoltage，the

3.0.5

standardsfortestvoltageshallbedeterminedaccordingtothefollowingprovisions:

Whenelectricequipmentwithhigherratedvoltageisusedtoreinforcetheinsulation，itshallbe

1

determinedaccordingtoteststandardsofratedvoltage；

Whenelectricequipmentwithhigherratedvoltageisusedtomeettherequirementsofproduct

2

universalityandmechanicalstrength，itmaybedeterminedaccordingtoteststandardoftheactual

voltage；

Whenelectricequipmentwithhigherratedvoltageisusedtomeettherequirementsforhigh

3

·3·

altitudeareas，itshallbedeterminedaccordingtoteststandardofactualvoltageatinstallationsite.

Whenconductingvarioustestsrelatedtotemperatureandhumidity，itshallmeasure

3.0.6

simultaneouslythetemperatureandhumidityaroundthetestedobjects.Insulatingtestshallbecarried

outingoodweatherandundertheconditionsthatthetemperaturearoundtestedobjectsandinstrument

shouldnotbelowerthan5℃andtheairrelativehumidityshouldnotbehigherthan80%.Iftest

conditionsfailtomeettheabovementionedrequirementsfortemperatureandhumidity，themeasured

-

testdatashallbeanalyzedsyntheticallytojudgewhethertheelectricequipmentcanbeputinto

operation.Attentionsshallbepaidtotheinfluenceofenvironmentaltemperatureduringthetest.Asto

oilimmersedtypetransformer，reactorandarcsuppressioncoil，theoiltemperatureatupperlevelofthe

--

testedobjectshallbeconsideredasthetesttemperature.

AstomeasurementoninsulationresistancelistedinthisStandard，thevalueofinsulation

3.0.7

resistancemeasuredat60secondshallbeusedtheratiobetweenandthevalueat15second

（R60）；R60

shallbeappliedforthemeasurementonabsorptancepolarizationindexshallbetheratiobetween

（R15）；

valuesofinsulationresistancesat10minuteand1minute.

Wheninsulatingtestisconductedformultiplewindingequipment，shortcircuitgroundshallbe

3.0.8--

appliedtonontestedwindings.

-

Thevoltageclassofmegohmmetershallbeusedtomeasuretheinsulationresistance.Ifthereis

3.0.9

nospecialrequirementinthisStandard，therelationshipbetweenvoltageclassofequipmentandthe

adoptionofmegohmmetershallbeinaccordancewiththosespecifiedin專用Table3.0.9；whenitisusedfor

mensurationofpolarizationindex，theshortcircuitcurrentofmegohmmetershallnotbelessthan2mA.

-

Table3.0.9Relationshipbetweenvoltageclassofequipmentandadoptionofmegohmmeter

SerialMinimumrangeof

Voltageclassofequipment（V）Voltageclassofmegohmmeter（V）

Numbermegohmmeter（MΩ）

1＜10025050

2＜500500100

3＜300010002000

4＜10000250010000

5≥100002500or500010000

Thehighvoltagetestmethodsinthisstandardshallcomplywithrequirementsofthecurrent

3.0.10-

nationalstandards，suchasHighVoltageTestTechniquesPart1:GeneralDefinitionsandTest

-

RequirementsGB/T人人文庫16927.1，HighVoltageTestTechniquesPart2:MeasuringSystemsGB/T

-

16927.2，GuideforInsulationTestonSiteDL/T474.1～DL/T474.5，andotherrelevantstandardsfor

equipment.

Handovertestofimportedequipmentshallbeconductedaccordingtothestandardsstipulated

3.0.11-

incontract，andtheteststandardforsametestitemshallnotbelowerthanspecificationsofthisstandard.

Thestandardofwithstandvoltagetestforonlinemonitoringdevicethatbearsrunningvoltage

3.0.12

shallbeequivalenttothewithstandvoltagelevelofitsconnectedelectricequipment.

Handovertestforequipmentwithspecialincominglineshouldbeconductedindividually

3.0.13-

beforeitisconnectedtoadjacentdevices.Whentestcannotbeconductedindividuallyortestcanonlybe

·4·

doneaftertheequipmentisconnectedtocablesandGISthroughoilSFimmersedbushingoroil

-6

casing，theirmutualinfluenceshouldbetakenintoaccount.

Testitemthatistechnicallydifficultandrequiresspecialtestingequipmentshallbelistedas

3.0.14

specialtestitem，andshallbeconductedbytestingagencythathasthecorrespondingcompetence.

SpecialtestitemshallmeettherelevantrequirementsinAppendixAtothisstandard.

專用

人人文庫

·5·

4SynchronousGeneratorandSynchronousCompensator

Testitemsforsynchronousgeneratorsandsynchronouscompensatorwithcapacitiesof

4.0.1

6000kWoraboveshallincludethefollowingcontents:

Measurementoninsulationresistanceandabsorptionratioorpolarizationindexofstator

1

winding；

Measurementondirectcurrent（DC）resistanceofstatorwinding；

2

DCvoltagewithstandtestandmeasurementonleakagecurrentofstatorwinding；

3

ACvoltagewithstandtestofstatorwinding；

4

Measurementoninsulationresistanceofrotorwinding；

5

MeasurementonDCresistanceofrotorwinding；

6

ACvoltagewithstandtestofrotorwinding；

7

Measurementoninsulationresistanceofexcitationcircuitofgeneratororexcitertogetherwith

8

theconnectedequipment；

ACvoltagewithstandtestofexcitationcircuitofgeneratororexcitertogetherwiththe

9

connectedequipment；專用

Measurementoninsulationresistanceforinsulatedbearingofgeneratororexciterandinlet

10

waterpedestalofrotor；

Measuringoninsulationresistanceofembeddedthermodetectorandcheckingitwhetherin

11

goodcondition；

Testforautomaticdeexcitationdeviceofgeneratorexcitationcircuit；

12-

MeasurementonACimpedanceandpowerlossofrotorwinding；

13

Measurementandrecordofthecharacteristiccurveofthreephaseshortcircuit；

14--

Measurementandrecordofnoloadcharacteristiccurve；

15-

Measurementondeexcitationtimeconstantandrotorovervoltagemultipleforgeneratorat

16-

theratednoloadvoltage；

-

Measurementonresidualvoltageofgeneratorstator；

17

Measurementonphasesequence；

18

Measurementonshaftvoltage；

19

Testondynamiccharacteristicsofstatorwindingend；

20人人文庫

MeasurementofDCvoltageappliedtomanuallywoundinsulationatstatorwindingend；

21

Rotorventilationtest；

22

Waterflowtest.

23

Thehandovertestitemsforsynchronousgeneratorsandphasemodifiersofvariouskindsshall

4.0.2-

meetthefollowingrequirements:

Handovertestforsynchronousgeneratorwithvoltageofabove1kVandcapacityofbelow

1-

6000kWshallbeconductedinaccordancewithitem1，2，3，4，5，6，7，8，9，11，12，13，14，15，16，17，18

and19ofArticle4.0.1ofthisstandard.

Handovertestforsynchronousgeneratorwithanycapacityandvoltageofnomorethan1kV

2-

·6·

shouldbeconductedinaccordancewithitem1，2，4，5，6，7，8，9，11，12，13，18and19ofArticle4.0.1of

thisstandard.

Astosynchronousphasemodifierwithoutstartingmotororitsstartingmotorcanonlyrunina

3

shortspanoftime，itmaynotconductthetestsstipulatedinitem14and15ofArticle4.0.1ofthis

standard.

Measurementoninsulationresistance，absorptionratioorpolarizationindexofstatorwinding

4.0.3

shallmeetthefollowingrequirements:

Theunbalancedcoefficientofinsulationresistanceofeachphaseshallnotbelargerthan2.

1

Theabsorptionratioforinsulationofepoxymicashallnotbelessthan1.6.Astounitwith

2

capacitiesof200MWorabove，thepolarizationindexshallbemeasuredanditshallnotbelessthan2.0.

Theinsulationofmachinewindingshallmeettherequirementsinitem1and2ofArticle4.0.3

3

beforetheACvoltagewithstandtest.

Measurementoninsulationresistanceofinternalwatercoolinggeneratorwindingshallbe

4-

carriedoutunderthecircumstancethattheeffectofresidualwateriseliminated.

Astomachinethatitswatercatchmentpipeispermanentlygrounded，themeasurementshall

5

becarriedoutunderthecircumstanceofnowater；ifitisnotpermanentlygrounded，theinsulation

resistanceshallbemeasuredforwindingandwatercatchmentpiperespectively.Inordertoeliminatethe

effectofwater，theshieldingmethodshallbeappliedtothemeasurementoftheinsulationresistanceof

winding.Themeasuredresultsshallconformtotheprovisionsstipulated專用bymanufacturer.

AstothequalifiedmachineinACvoltagewithstandtest，whenitsinsulationresistancevalueis

6

convertedintothatattheoperatingtemperature（machinewithepoxymicainsulationatnormal

-

temperature）inaccordancewiththeprovisionsofAppendixBtothisstandardandtheconvertedvalue

isnotlowerthantheratedvoltagemultipliedby1MΩ/kV，itmaybeputintooperationwithoutdrying.

However，itsendcoversshallnotbeopenedupforinternalworkingbeforetheoperation.

MeasurementonDCresistanceofstatorwindingshallmeetthefollowingrequirements:

4.0.4

DCresistanceshallbemeasuredinthecoldstate.Duringthemeasurement，thetemperature

1

differencebetweenthewindingsurfaceandthesurroundingairshallbewithintherangeof±3℃.

AstoDCresistanceofeachphaseoreachbranchwinding，thedifferencesamongthemshall，

2

afterthedeviationsduetodifferentlengthsofleadwiresarecorrected，benotlargerthan2%ofits

minimumvalue.ComparedwiththeDCresistancevaluemeasuredatthetimeofdeliveryfromthe

factoryatthesametemperature，therelativechangeshallnotbelargerthan2%.

Astothehalfandhalfjointsassembledatsite，theconnectionofcontactsurfaceshallbe

3--

checkedaftertightening人人文庫thebolttorque.Moreover，themeasurementonDCresistanceofstatorwinding

shallbecarriedoutaftertheassemblyofhalfandhalfjointsatsite.

--

DCvoltagewithstandtestandleakagecurrentmeasurementofstatorwindingshallmeetthe

4.0.5

followingrequirements:

Testvoltageshallbethreetimesoftheratedvoltageofelectricmachine.

1

Testvoltageshallbeincreasedbystagesandattherateof50%ofratedvoltageeachstage.At

2

eachstage，thedurationofanappliedvoltageshallbe1minuteandthevalueofleakagecurrentshallbe

recorded.Underthestipulatedtestvoltages，theleakagecurrentsshallmeetthefollowingprovisions:

）Thevaluedifferencesofleakagecurrentamongallphasesshallnotbelargerthan100%ofthe

1

minimumvalue.Ifthemaximumleakagecurrentisbelow20μA，valuedifferencesamong

·7·

phasesmaynotbetakenintoaccountwhentheresultsofDCinsulationvalueandvoltage

withstandtestaresyntheticallyjudgedasgood.

）Theleakagecurrentshallnotincreasewiththeextensionoftime.

2

）Ifleakagecurrentincreasesremarkablyandisnotinproportiontovoltage，ananalysisshallbe

3

carriedouttimely.

）Ifeitherofsubitem1）and2）isnotcompliedwith，reasonsshallbefoundoutanddeviations

4-

shallbecorrected.

Thetestforhydrogencooledgeneratorshallbeconductedbeforefillinghydrogen.Itmustnot

3-

conducttestduringthereplacementofhydrogen.

Thelowvoltageshieldingmethodshouldbeappliedtothetestforinternalwatercooled

4--

generator；astogeneratorthatitswatercatchmentpipeispermanentlygrounded，thistestmaynotbe

doneatsite.

ACvoltagewithstandtestofstatorwindingshallmeetthefollowingrequirements:

4.0.6

VoltagesappliedinACvoltagewithstandtestofstatorwindingshallbedeterminedaccording

1

tothosesetoutinTable4.0.6.

InsulationACvoltagewithstandtestduringthetechnicalprocessofhydrogeneratorstator

2

windingassembledatsiteshallbecarriedoutinaccordancewiththecurrentnationalstandard

SpecificationInstallationofHydraulicTurbineGeneratorUnitsGB/T8564.

Thetestforinternalwatercooledgeneratorshallbeconducted專用underthecircumstancethat

3-

qualifiedwaterisfed；thetestforhydrogencooledgeneratorshallbeconductedbeforefillinghydrogen

-

anditmustnotconducttestduringthereplacementofhydrogen.

AstoACvoltagewithstandtestforgeneratorwithalargecapacity，whentestequipmentfor

4

powerfrequencyvoltagewithstandtestfailstomeetrequirement，itmaybereplacedbyresonant

withstandvoltage.

Table4.0.6Voltagesappliedinvoltagewithstandtestofstatorwinding

Capacity（kW）Ratedvoltage（V）Testvoltage（V）

Below10000Above361000+2×0.8thelowestis1200

（Un），

10000andtheaboveBelow240001000+2×0.8

（Un），

10000andtheabove24000andtheaboveNegotiatewithmanufacturer

Note""meanstheratedvoltageofgenerator.

:Un

Measurementoninsulationresistanceofrotorwindingshallmeetthefollowingrequirements:

4.0.7

Thevalueofinsulationresistanceofrotorwindingshouldnotbelowerthan0.5MΩ.

1人人文庫

Internalwatercooledrotorwindingshallbemeasuredbyusingmegohmmeterwithvoltageof

2-

500Vorbelow.Thevalueofinsulationresistanceshallnotbelowerthan5000Ω.

Inthecasethatinsulationresistanceofgeneratorstatorwindingmeetstherequirementsfor

3

startupandthevalueofinsulationresistanceofrotorwindingisnotlowerthan2000Ω，generatormay

-

beputintooperation.

Insulationresistanceofrotorwindingshallbemeasuredatratedrotatingspeedbeforeandafter

4

theoverspeedtest.

Thevoltageclassofmegohmmeterusedformeasurementofinsulationresistanceshallcomply

5

withthefollowingprovisions:

·8·

）Whentheratedvoltageofrotorwindingisabove200V，the2500Vmegohmmetershallbe

1

used.

）Whentheratedvoltageofrotorwindingis200Vorbelow，the1000Vmegohmmetershallbe

2

used.

Themeasurementoninsulationresistanceofrotorwindingshallmeetthefollowing

4.0.8

requirements:

TheDCresistanceofrotorwindingshallbemeasuredincoldstate.Duringthemeasurement，

1

thetemperaturedifferencebetweenthewindingsurfaceandthesurroundingairshallbenotlargerthan

3℃.ComparedwiththeDCresistancevaluemeasuredatthetimeofdeliveryfromthefactoryatthe

sametemperature，thedifferenceshallbelessthan2%.

Astosalientpoletyperotorwinding，allmagneticpolewindingsshallbemeasured；ifthe

2-

deviationexceedsthespecifiedvalue，theresistanceofconnectionpointamongallpolewindingsshall

alsobemeasured.

ACvoltagewithstandtestofrotorwindingshallmeetthefollowingrequirements:

4.0.9

Astosalientpoletyperotorreceivedintegrally，thetestvoltageshallbe7.5timesofrated

1

voltageandnotlessthan1200V.

Astosalientpoletyperotorassembledatworksite，thevoltagewithstandtestforitssingle

2

magneticpoleshallbedoneinaccordancewithprovisionsstipulatedbymanufacturer.TheACvoltage

withstandtestforrotorafteritsassemblyshallmeetthefollowingrequirements專用:

）Iftheratedexcitationvoltageis500Vorbelow，thevoltagewithstandvalueshallbe10times

1

ofratedexcitationvoltageandshallnotbelowerthan1500V.

）Iftheratedexcitationvoltageisabove500V，thevoltagewithstandvalueshallbe2timesof

2

ratedexcitationvoltageplus4000V.

TheACvoltagewithstandtestfornonsalientpoletyperotorwindingmaynotbeconducted.

3-

Suchatestmaybereplacedbythemeasurementoninsulationresistancebyusing2500Vmegohmmeter.

Themeasuredvaluesofinsulationresistancefortheexcitationcircuitsofgeneratorandexciter

4.0.10

togetherwiththeconnectedequipmentshallmeetthefollowingrequirements:

Thevalueofinsulationresistanceshallnotbelowerthan0.5MΩ.

1

Equipmentthatneedstomeasuretheinsulationresistanceshallnotincludegeneratorrotorand

2

exciterarmature.

Ifthereiselectronicpartorcomponentincircuit，theplugincomponentshallbepulledoutor

3-

itstwoendsshallbeshortcircuitedbeforestartingtest.

-

TheACvoltagewithstandtestfortheexcitationcircuitsofgeneratorandexcitertogetherwith

4.0.11人人文庫

theconnectedequipmentshallmeetthefollowingrequirements:

Thetestvoltageshallbe1000Vorsuchatestmaybereplacedbythemeasurementon

1

insulationresistancebyusing2500Vmegohmmeter.

EquipmentthatneedstocarryouttheACvoltagewithstandtestshallnotincludegenerator

2

rotorandexciterarmature.

Thetestvoltageforstationarythyristorexcitationofhydrogeneratorshallbeinaccordance

3

withitem2ofArticle4.0.9ofthisstandard.

Ifthereiselectronicpartorcomponentincircuit，theplugincomponentshallbepulledoutor

4-

itstwoendsshallbeshortcircuitedbeforestartingtest.

-

·9·

Measurementoninsulationresistanceforinsulatedbearingofgeneratorandexciteraswellas

4.0.12

inletwaterpedestalofrotorshallmeetthefollowingrequirements:

Themeasurementshallbeconductedbyusing1000Vmegohmmeteraftertheoilpipeis

1

installed.Thevalueofinsulationresistanceshallnotbelowerthan0.5MΩ.

Astohydrogencooledgenerator，theinsulationresistancesforboththeinternalandexternaloil

2-

preventorcoversshallbemeasured.Thevaluesshallmeettherequirementsstipulatedbymanufacturer.

Theinsulationresistanceofembeddedtypethermodetectorshallbemeasuredtocheck

4.0.13

whetheritisingoodcondition.Itshallmeetthefollowingrequirements:

Itshalluse250Vmegohmmetertomeasuretheinsulationresistanceofthermodetector.

1

Theindicatedvalueofthermodetectorshallbecheckedandtheresultshallbefreeof

2

abnormality.

Thetestonautomaticdeexcitationdeviceinexcitationcircuitofgeneratorshallmeetthe

4.0.14-

followingrequirements:

Theactionsequencefornormallyopen/closecontact，maincontactandarcextinguishing

1

contactinmaincircuitofautomaticdeexcitationswitchshallbeinaccordancewiththesequence

-

designedbymanufacturer.

Thedeexcitationtestforsynchronousgeneratorshallbeconductedatnoloadratedvoltage；

2--

thearcextinguishingofdeexcitationswitchshallbenormal.

-

Thevoltagesforopeningandclosingofdeexcitationswitch專用shallcomplywiththe

3-

requirementsintechnicaldocumentsofproduct.Whenthevoltageappliedtodeexcitationswitchis

-

above80%ofitsratedvoltage，theswitchshallbereliablyclosed；whenitis30%-65%ofrated

voltage，theswitchingoffshallbereliablyopened；whenitislessthan30%ofratedvoltage，thede

--

excitationswitchshallnotact.

ThemeasurementonACimpedanceandpowerlossofrotorwindingshallmeetthefollowing

4.0.15

requirements:

Measurementsshallberespectivelymadeinsideandoutsidetheboreofstatorinstaticstateas

1

wellasbeforeandaftertheoverspeedtestatratedrotatingspeed.

Astosalientpoleelectricmachine，themeasurementforeachpolewindingmaybemade

2-

outsidethebore.Itshallbenoobviousdifferencebycomparisonofthemeasuredvalues.

Thepeakvalueofappliedvoltageduringthetestshallnotexceedthevalueofratedexcitation

3

voltage.

Brushlessexcitermaynotbemeasurediftheconditionsofmeasurementarenotavailable.

4

Measurementoncharacteristiccurveofthreephaseshortcircuitshallmeetthefollowing

4.0.16人人文庫--

requirements:

Thedifferencebetweenthemeasuredvalueandthevalueinfactoryacceptancetestforproduct

1

shallbewithinerrorlimit.

Astogeneratortransformerunit，ifthereisfactoryacceptancetestreportonshortcircuit

2--

characteristicsofgenerator，itmayonlyrecordtheshortcircuitcharacteristicsofgeneratortransformer

--

unitwithshortcircuitpointbeingsetonthehighvoltagesideoftransformer.

--

Measurementonnoloadcharacteristiccurveshallmeetthefollowingrequirements:

4.0.17-

Thedifferencebetweenthemeasuredvalueandthevalueinfactoryacceptancetestforproduct

1

shallbewithinerrorlimit.

·10·

Themaximumvaluesoftestvoltageatratedrotatingspeedshallbe120%ofstatorsrated

2

voltageforsteamturbinegeneratorandsynchronouscompensatorand130%forhydrogenerator.

-

However，theratedvalueofexcitationcurrentshallnotbeexceeded.

Ifthereisinterturninsulationingenerator，theinterturnvoltagewithstandtestshallbedone.The

3

testshalllast5minutesat130%ofstatorsratedvoltagebutnotlargerthanthemaximumvoltageofstator.

Astogeneratortransformerunit，ifthereisfactoryacceptancetestreportonnoload

4--

characteristicsofgenerator，itmayonlyrecordthenoloadcharacteristicsofgeneratortransformerunit

--

withvoltagebeingincreasedto110%ofstatorsratedvoltage.

Themeasurementondeexcitationtimeconstantandrotorsovervoltagetimeswhengenerator

4.0.18-

isatnoloadratedvoltageshallmeetthefollowingrequirements:

-

Themeasurementandrecordingofdeexcitationtimeconstantshallbemadewhenstator

1-

windingisopencircuitedandgeneratorisatnoloadratedvoltage.

--

Astogeneratortransformerunit，themeasurementmaybemadeatthesametimetogether

2-

withunloadedtransformer.Theovervoltagetimesofrotorshallbecheckedatthesametime.Itshall

guaranteethattheovervoltagevalueofrotorisnotlargerthan30%ofvoltagevaluemeasuredinfactory

acceptancetestofexcitationwindingwhenthevalueofexcitationcurrentislessthan1.1timesofvalue

ofratedcurrent.

Themeasurementofresidualvoltageofgeneratorstatorshallmeetthefollowingrequirements:

4.0.19

Theresidualvoltageofstatorshallbemeasuredaftertheswitching專用offofdeexcitationdevice

1--

whengeneratorisatnoloadratedvoltage.

-

Ifthevalueofresidualvoltageofstatorislarge，safetyprecautionshallbetakenduringthetest.

2

Measurementonphasesequenceofgeneratorshallbeinlinewiththephasesequenceofpower

4.0.20

grid.

Measurementonshaftvoltageshallmeetthefollowingrequirements:

4.0.21

Itshallbemadeatnoloadratedvoltageandafterloadingrespectively.

1-

Whenbearingoilfilmofsteamturbinegeneratorisshortcircuited，thevalueofvoltage

2--

betweenbearingandenginebaseshallbeclosetothatattwoendsofrotorshaft.

Thevoltageofhydrogeneratorshafttoitsenginebaseshallbemeasured.

3

Thedynamiccharacteristictestofstatorwindingendshallmeetthefollowingrequirements:

4.0.22

Thesteamturbinegeneratorwithvoltageof200MWoraboveshallbetested.Ifthevoltageof

1-

steamturbinegeneratorislessthan200MW，whethertoconducttestornotshallbedeterminedasper

-

specificcircumstances.

Whensteamturbineorgasturbinegeneratorisincoldstate，therangeforshunningthenatural

2人人文庫--

frequencyofwindingbar，leadwire，andtheintegralellipseatwindingendshallbeinaccordancewith

thestipulationsinTable4.0.22.Inaddition，itshallalsobeinaccordancewiththecurrentnational

standard

DynamicCharacteristicandVibrationMeasurementMethodofTurbo-generatorsonStator

GB/T20140

WindingsandEvaluationCriteria.

MeasurementonDCvoltageappliedtomanuallywoundinsulationatstatorwindingendshall

4.0.23

meetthefollowingrequirements:

Iftheleadwiresatgeneratorendsareassembledatsite，themeasurementshallbemadeby

1

applyingDCvoltageafterinsulationwrappingmaterialsaredried.

TheDCvoltageappliedtostatorwindingshallbe"U"theratedvoltageofgenerator.

2n-

·11·

Table4.0.22Rangeforshunningthenaturalfrequencyofpartialandintegralellipseatstator

windingendofsteam-turbineorgas-turbinegenerator

RatedrotatingNaturalfrequencyofNaturalfrequencyofNaturalfrequencyofintegral

Typeofsupport

speedwindingbar（Hz）leadwire（Hz）ellipse（Hz）

Rigidsupport≤95，≥106≤95，≥108≤95，≥110

3000

Flexiblesupport≤95，≥106≤95，≥108≤95，≥112

Rigidsupport≤114，≥127≤114，≥130≤114，≥132

3600

Flexiblesupport≤114，≥127≤114，≥130≤114，≥134

TheDCelectricpotentialmeasuredatthesurfaceofwindingshallnotbelargerthanthevalue

3

stipulatedbymanufacturer.

Ifmanufacturerhasconductedtestsforsomepositionswithtestrecordsbeingmade，these

4

positionsmaynotbetested.

Themethodandlimitsforventilationtestofrotorshallcomplywiththerelevantprovisionsin

4.0.24

thecurrentprofessionalstandardMethodsandLimitsforCheckingtheDirectGasVentilationCooling

SystemofTurbogeneratorRotorJB/T6229.

Themethodandlimitsforwaterflowtestshallcomplywiththerelevantprovisionsinthe

4.0.25

currentprofessionalstandardCheckingMethodsandEvaluationofWaterCircuitwithintheWinding

ofTurboGeneratorJB/T6228.專用

人人文庫

·12·

5DCMotor

TestitemsofDCmotorshallincludethefollowingcontents:

5.0.1

Measurementoninsulationresistanceofexcitationwindingandarmature；

1

MeasurementonDCresistanceofexcitationwinding；

2

ACvoltagewithstandtestofexcitationwindingandarmature.

3

MeasurementonDCresistanceofadjustableexcitationresistor；

4

Measurementoninsulationresistanceofexcitationcircuitstogetherwithallconnected

5

equipment；

ACvoltagewithstandtestforexcitationcircuitstogetherwithallconnectedequipment；

6

Inspectiononpolarityofgeneratorwindingandthecorrectnessofitsconnection；

7

Inspectionontheneutralpositionofmotorbrushinmagneticfield；

8

MeasuringandrecordingthenoloadcharacteristicsofDCgeneratorsandtheload

9-

characteristiccurveofexciterwithrotorwindingasload；

InspectionontheidlerunofDCgeneratorandmeasuringitsnoloadcurrent.

10-

ThehandovertestitemsforDCmotorsofvarioustypesshallmeet專用thefollowingrequirements:

5.0.2-

Thetestforexciterofsynchronousgeneratorandsynchronouscompensatorwithvoltageof

1

above6000kWshallbeconductedinaccordancewithallitemsofArticle5.0.1ofthisstandard.

ThetestforotherDCmotorsshallbeconductedinaccordancewithitem1，2，4，5，7，8and10

2

ofArticle5.0.1ofthisstandard.

Themeasuredinsulationresistancevaluesofexcitationwindingandarmatureshallnotbelower

5.0.3

than0.5MΩ.

ThedifferencebetweenthemeasuredvalueofDCresistanceofexcitationwindingandthatat

5.0.4

thetimeofdeliveryfromthefactoryshallbelessthan2%.

TheACvoltagewithstandtestforexcitationwindingtoshellorforarmaturewindingtoshaft

5.0.5

shallmeetthefollowingrequirements:

TheACvoltagewithstandtestforexcitationwindingtoshellorforarmaturewindingtoshaft

1

shallbeconducted.

Thetestvoltageshallbe1.5timesofratedvoltageplus750Vandnotlessthan1200V.

2

ThemeasurementofDCresistancefortheadjustableexcitationresistorshallmeetthefollowing

5.0.6人人文庫

requirements:

ThedifferencebetweenthemeasuredvalueofDCresistanceandthatatthetimeofdelivery

1

fromthefactoryshallbelessthan10%.

Duringtheadjustment，theadjustableexcitationresistorshallbewellcontactedandfreeof

2

brokencircuit.Thevalueofresistanceshallshowaregularchange.

Themeasurementoninsulationresistanceofexcitationcircuittogetherwiththeconnected

5.0.7

equipmentshallmeetthefollowingrequirements:

Themeasuredvalueofinsulationresistanceforexcitationcircuitstogetherwithallconnected

1

equipmentshallnotbelowerthan0.5MΩ.

·13·

Equipmentthatneedstobemeasuredshallnotincludecircuitsofexcitationregulationdevice.

2

TheACvoltagewithstandtestconductedforexcitationcircuittogetherwiththeconnected

5.0.8

equipmentshallmeetthefollowingrequirements:

Thetestvoltageshallbe1000V.Suchatestcanbereplacedbymeasurementoninsulation

1

resistancebyusing2500Vmegohmmeter.

Equipmentthatneedstobetestedshallnotincludecircuitsofexcitationregulationdevice.

2

Thepolarityofmotorwindinganditsconnectionshallbecheckedwiththeresultsbeingcorrect.

5.0.9

Theinspectionofneutralpositionofmotorbrushinmagneticfieldshallmeetthefollowing

5.0.10

requirements:

Theneutralpositionofmotorbrushshallbeadjusteduntiltheresultiscorrect；

1

Itshallsatisfytherequirementofgoodcommutation.

2

ThemeasurementandrecordofnoloadcharacteristicsofDCgeneratorsandtheload

5.0.11-

characteristiccurveofexciterwithrotorwindingasloadshallmeetthefollowingrequirements:

Thereshallbenosignificantdifferencebycomparisonofthemeasuredcurveandthatin

1

deliverytestreport；

Theloadcharacteristicsofexcitershouldbemeasuredandrecordedtogetherwiththenoload

2-

andshortcircuittestofsynchronousgeneratoratthesametime.

TheinspectionofidlerunningandmeasurementofnoloadcurrentcarriedoutforDCgenerator

5.0.12-

shallmeetthefollowingrequirements:專用

Thetimespanofidlerunningshouldnotbelessthan30min.Thecontactsurfacebetweenbrush

1

andcommutatorshallbefreeofobvioussparks；

ThenoloadcurrentofDCmotorshallberecorded.

2-

人人文庫

·14·

6Intermediate-frequencyGenerator

Thetestitemsofintermediatefrequencygeneratorshallincludethefollowingcontents:

6.0.1-

Measurementoninsulationresistanceofwinding；

1

MeasurementonDCresistanceofwinding；

2

ACvoltagewithstandtestofwinding；

3

Measurementandrecordofnoloadcharacteristiccurve；

4-

Measurementofphasesequence；

5

Measurementoninsulationresistanceofthermometer；itshallbecheckedtoseewhetheritisin

6

goodcondition.

Themeasuredvalueofinsulationresistanceofwindingshallnotbelowerthan0.5MΩ.

6.0.2

ThemeasurementonDCresistanceofwindingshallmeetthefollowingrequirements:

6.0.3

AstoDCresistanceofeachphaseoreachbranchwinding，thedifferencebetweenthemeasured

1

valueandthatmeasuredatthetimeoffactoryacceptancetestshallnotbelargerthan2%；

ThereshallbenosignificantdifferencebycomparisonofthemeasuredDCresistancevalueof

2

excitationwindingandthatmeasuredatthetimeoffactoryacceptancetest專用.

ThevoltagevalueofACvoltagewithstandtestforwindingshallbe75%ofthatinitsfactory

6.0.4

acceptancetest.

Themeasurementandrecordingofnoloadcharacteristiccurveshallmeetthefollowing

6.0.5-

provisions:

Whenthetestvoltageisincreasedandreachesthevalueofvoltageinfactoryacceptancetest，it

1

shallnotbeincreasedfurther.Thereshallbenosignificantdifferencebycomparisonofthemeasured

valueofvoltageandthatinfactoryacceptancetest.

Astothepermanentmagneticintermediatefrequencygenerator，thecurveofrelationship

2--

betweenvoltageofgeneratoranditsspeedshallbemeasuredandrecorded.Thereshallbenosignificant

differencebycomparisonofthemeasuredcurveandthatinfactoryacceptancetest.

Whenphasesequenceismeasured，thelabelnumbersofoutletterminalsofmotorshallbeinline

6.0.6

withphasesequence.

Theinsulationresistanceofthermometershallbemeasuredandcheckedtoseewhetheritisin

6.0.7

goodcondition.The人人文庫followingprovisionsshallbemet:

Itshalluse250Vmegohmmetertomeasuretheinsulationresistanceofthermometer.Itsstatus

1

shallbegood.

Theindicatedvalueofthermometershallbecheckedandtheresultshallbefreeofabnormality.

2

·15·

7ACMotor

TestitemsofACmotorshallincludethefollowingcontents:

7.0.1

Measurementoninsulationresistanceandabsorptionratioofwinding；

1

MeasurementonDCresistanceofwinding；

2

DCvoltagewithstandtestandmeasurementonleakagecurrentofstatorwinding；

3

ACvoltagewithstandtestonstatorwinding；

4

ACvoltagewithstandtestonrotorwindingofwoundrotortypemotor；

5

ACvoltagewithstandtestonrotorwindingofsynchronousgenerator；

6

Measurementofinsulationresistanceforadjustableresistor，startingresistor，anddeexcitation

7-

resistor；

MeasurementofDCresistanceforadjustableresistor，startingresistor，anddeexcitation

8-

resistor；

Measurementoninsulationresistanceofmotorbearing；

9

Inspectiononpolarityofstatorwindingandcorrectnessofitsconnection；

10

Inspectiononnoloadrunningofmotorandmeasurementonits專用noloadcurrent.

11--

Thetestformotorwithvoltageofbelow1000Vandcapacityofbelow100kWmaybe

7.0.2

conductedinaccordancewithitem1，7，10and11ofArticle7.0.1ofthisstandard.

Measurementoninsulationresistanceandabsorptanceofwindingshallmeetthefollowing

7.0.3

requirements:

Iftheratedvoltageisbelow1000V，thevalueofinsulationresistanceatnormaltemperatureshall

1

notbelessthan0.5MΩ；ifitis1000Vorabove，theconvertedvalueofinsulationresistanceatoperating

temperatureshallnotbelowerthan1MΩ/kVforstatorwindingandnotbelessthan0.5MΩ/kVforrotor

winding.ThetemperatureconversionofinsulationresistancemaybemadeinaccordancewithappendixB

tothisstandard.

Theabsorptionratioshallbemeasuredformotorswithvoltageof1000Vorabove.The

2

absorptionratioshallnotbelessthan1.2.Thesplitphasemeasurementshallbeappliedtothemotor

-

thatitsneutralpointcanbedismantled.

WhenACvoltagewithstandtestisconducted，theinsulationofwindingshallmeetthe

3

requirementsinItem人人文庫1and2ofthisArticle.

ForqualifiedmotorinACvoltagewithstandtest，itmaybeputintooperationwithoutbeing

4

driedwhentheconvertedvalueofitsinsulationresistanceatoperationtemperature（motorwithepoxy

-

micainsulationatnormaltemperature）isnotlowerthantheratedvoltageby1MΩ/kV.However，its

endcoversshallnotbeopenedupforinternalworkingbeforetheoperation.

ThemeasurementonDCresistanceofwindingshallmeetthefollowingprovisions:

7.0.4

Astomotorwithvoltageofabove1000Vorcapacityofabove100kW，thevaluedifferenceof

1

DCresistanceamongallphasesofmotorshallnotbelargerthan2%oftheminimumvalue.

TheDCresistancebetweenwiresmaybemeasuredformotorwithnoleadwirebeingfromits

2

neutralpoint.Thedifferenceshallnotbelargerthan1%ofitsminimumvalue.

·16·

Astomotorwithspecialstructure，thedifferenceofitseachphasesDCresistanceandthe

3

correspondingvalueinpredeliverytestshallnotbelargerthan2%.

DCvoltagewithstandtestandleakagecurrentmeasurementforstatorwindingshallmeetthe

7.0.5-

followingprovisions:

Astostatorwindingwithvoltageofabove1000Vorcapacityofabove1000kW，ifits

1

connectingwireofneutralpointhasbeenledtotheterminalboardofoutgoingwire，DCvoltage

-

withstandingtestshallbecarriedoutateachphaseofwinding.

Testvoltageshallbe3timesofratedvoltageofstatorwinding.Underthestipulatedtest

2

voltage，thevaluedifferenceofleakagecurrentamongallphasesshallnotbelargerthan100%ofthe

minimumvalue；whenthemaximumleakagecurrentisbelow20μA，thevaluedifferenceamongall

phasesmaynotbeconsiderediftheinsulationresistancevaluesandresultsofvoltagewithstandtestare

comprehensivelyjudgedtobegood.

ThetestshallbeinaccordancewiththerelevantprovisionsinArticle4.0.5；thistestmaynotbe

3

conductedinthecasethattheconnectingwireofneutralpointhasnotbeenledout.

VoltageappliedinACvoltagewithstandtestofstatorwindingshallbeinaccordancewiththe

7.0.6

provisionsinTable7.0.6.

Table7.0.6VoltageofACvoltagewithstandtestonwindingofmotorstator

Ratedvoltage（kV）3610

VoltageappliedintestkV510專用16

（）

VoltageappliedinACvoltagewithstandtestofwindingofwoundmotorrotorshallbein

7.0.7

accordancewiththeprovisionsinTable7.0.7.

Table7.0.7VoltageappliedinACvoltagewithstandtestofwindingofwoundmotorrotor

OperatingconditionofrotorTestvoltage（V）

Irreversible1.5+750

Uk

Reversible3.0+750

Uk

Noteisthevoltagemeasuredinthecasethatrotorwindingisopencircuitedandrotorisinstaticstatewhileratedvoltageisappliedin

:Uk，

statorwinding.

TheACvoltagewithstandtestforrotorwindingofsynchronousmotorshallmeetthefollowing

7.0.8

requirements:

Thevoltageappliedintestshallbe7.5timesofratedexcitationvoltageandshallnotbeless

1

than1200V；

Thevoltageappliedintestshallnotbelargerthan75%ofthatinfactoryacceptancetest.

2人人文庫

Whentheinsulationresistancesaremeasuredforadjustableresistor，startingresistor，de

7.0.9-

excitationresistortogetherwithcircuit，themeasuredvaluesshallnotbelessthan0.5MΩ.

ThemeasurementofDCresistanceforadjustableresistor，startingresistor，anddeexcitation

7.0.10-

resistorshallmeetthefollowingrequirements:

ThedifferencebetweenthemeasuredDCresistancevaluesandthoseinfactoryacceptancetest

1

ofproductshallnotbelargerthan10%；

Duringtheadjustment，contactshallbeingoodconditionandfreeofopencircuit，andthe

2

changesofresistancevaluesshallbecharacterizedbyregularity.

·17·

Themeasurementoninsulationresistanceofmotorbearingshallmeetthefollowing

7.0.11

requirements:

Astomeasurementoninsulationresistanceofmotorbearingthatconnectedwithoilpipe，

1

1000Vmegohmmetershallbeusedformeasuringaftertheinstallationofoilpipe.

Thevalueofinsulationresistanceshallnotbelessthan0.5MΩ.

2

Inspectiononpolarityofstatorwindingandthecorrectnessofitsconnectionshallmeetthe

7.0.12

followingrequirements:

Thepolarityofstatorwindinganditsconnectionshallbecorrect.

1

Polaritymaynotbeinspectedinthecasethatwireofneutralpointisnotledout.

2

Inspectiononnoloadrunningofmotorandmeasurementonitsnoloadcurrentshallmeetthe

7.0.13--

followingrequirements:

Theoperatingtimefornoloadrunningofmotorshallbe2hours；

1-

Thenoloadcurrentduringnoloadrunningofmotorshallberecorded；

2--

Whentheconnectionbetweenmotoranditsmechanicalpartcannotbeseparatedeasily，they

3

maybeconnectedtogetherforconductinginspectiontestofnoloadrunning.

-

專用

人人文庫

·18·

8PowerTransformer

Testitemsofpowertransformershallincludethefollowingcontents:

8.0.1

InsulatingoiltestorSFgastest；

16

MeasurementonDCresistanceofwindingtogetherwithbushing；

2

Inspectiononvoltageratiosofalltaps；

3

Inspectiononthegroupofthreephaseconnectingwireoftransformerandthepolarityoflead

4--

outwireofsinglephasetransformer；

-

Measurementofinsulationresistanceforironcoreandclamp；

5

Testofnonceramicbushing；

6-

Inspectionandtestforonloadtapchanger；

7-

Measurementoninsulationresistance，absorptionratioorpolarizationindexofwinding

8

togetherwithbushing；

Measurementondielectriclosstangent（tanδ）andcapacitanceforwindingtogetherwith

9

bushing；

Deformationtestoftransformerwinding；專用

10

ACvoltagewithstandtestforwindingtogetherwithbushing；

11

Longdurationinducedvoltagewithstandtestwithpartialdischargemeasurementforwinding

12-

togetherwithbushing；

Impactclosingtestatratedvoltage；

13

Inspectiononphaseposition；

14

Measurementonnoise.

15

Thetestitemsforvariouskindsoftransformersshallbeinaccordancewiththefollowing

8.0.2

provisions:

Thetestforoilimmersedpowertransformerwithcapacityof1600kV·Aorbelowmaybe

1-

conductedinaccordancewithitem1，2，3，4，5，6，7，8，11，13and14ofArticle8.0.1ofthisstandard；

Thetestfordrytransformermaybeconductedinaccordancewithitem2，3，4，5，7，8，11，13

2

and14ofArticle8.0.1ofthisstandard；

Thetestforconvertertransformerorrectifiertransformermaybeconductedinaccordancewith

3

item1，2，3，4，5，6，人人文庫7，8，11，13and14ofArticle8.0.1ofthisstandard；

Thetestforelectricfurnacetransformermaybeconductedinaccordancewithitem1，2，3，4.5，

4

6，7，8，11，13and14ofArticle8.0.1ofthisstandard；

Thetestforgroundingtransformerorzigzagtransformermaybeconductedinaccordancewith

5

item2，3，4，5，6，8，11and13ofArticle8.0.1ofthisstandard；astooilimmersedtransformer，itshall

-

alsoconductthetestinaccordancewithitem1and9ofArticle8.0.1ofthisstandard；

Thetestforcorethroughtypecurrenttransformerorcapacitortypebushingshallbeconducted

6--

asperthetestitemsforinstrumenttransformerinChapter9andforbushinginChapter15ofthis

standardrespectively；

Astothetransformerthatistransportedinseparatepartsandassembledinsite，theorderer

7

·19·

shallwitnessallitsfactoryacceptancetestitems；thesitetestforitshallbeconductedinaccordancewith

thisstandard；

Inspectionshallbecarriedoutforaccessoriessuchasgasrelay，oilflowingrelay，pressurerelief

8

valve，gasdensityrelayandsoon.

ThetestforinsulationoilinoilimmersedtransformerorSFgasinSFgasinsulated

8.0.3-66

transformershallmeetthefollowingrequirements:

ThetestcategoriesofinsulationoilshallbeinaccordancewiththeprovisionsinTable19.0.2

1

ofthisStandard；thetestitemsandstandardsshallbeinaccordancewiththosespecifiedinTable19.0.1.

Thechromatographicanalysisofthedissolvedgasinoilshallmeetthefollowingrequirements:

2

）Astotransformerwithvoltageof66kVorabove，achromatographicanalysisfordissolvedgas

1

ininsulationoilwithintransformerbodyshallbemade24hoursafterthestandingofoil

injection，voltagewithstandandpartialdischargetests，andanotheranalysisshallbemade

aftertheimpactclosingtestand24houroperationatratedvoltage.

-

）TestshallbeconductedinaccordancewiththecurrentnationalstandardGuideforAnalysis

2

andDiagnosisofGasesDissolvedinTransformerOilGB/T7252.Thereshallbeno

significantdifferenceofcontentofhydrogen，acetylene，andtotalhydrocarboninvarious

measurements.

）Inoilofnewlyinstalledtransformer，thecontentoftotalhydrocarbon，HandCHshallnotbe

3-222

largerthan20μL/L，10μL/Land0.1μL/Lrespectively.專用

The