1、GE NuovoPignone - Electronically Approved Drawing - Checked: H L G.; Approved: Chiarlitti M. - Internal DT-'N'Generator Test ProceduresProject: MEGHA CSP - INDIAManufacturer: Nanyang Explosion Protection Group Co.,.PO: 439763073GE job number: 1908191-92 Nanyang job number: 12K6Q002B Document

2、 code: SOK0895374Nanyang document code: HT12W098-23TITLEGenerator test proceduresDOCUMENT CODESOK0895374REVISION0REVISION DESCRIPTION: ISSUEDATE29-Apr-13APPROVED Electronically StoredSECURITY CODENCHECKEDElectronically StoredVENDOR SUPPLIED DRAWINGSCALEN/AREPLACES/DERIVED FROMN/A1st ISSUE29-Apr-13OR

3、IGINAL JOB1908191-92SIZE4LANGUAGEATHIS DOCUMENT IS FILED UNDER Nuovo Pignone S.r.l. DRAWING NUMBER. THIS DOCUMENT WILL BE REVISED N ITS ENTIRETY ONLY BY ORIGINATOR.Nuovo Pignone S.r.l. REVISION NUMBER MAY DIFFER FROM ORIG NAL TITLE BLOCK.SHEET1 of 50CUSTOMERMEIL GREEN POWER LIMITEDLOCALITA' - PL

4、ANT LOCATIONANANTAPUR, INDIAIMPIANTO - PLANSOLAR POWER PLANTNuovo Pignone S.r.l. REVISION NUMBER MAY DIFFER FROM ORIG NAL TITLE BLOCK.ContentPart 1: Test procedure of main generatorPart 2: Test procedure of generator excitation panelPart 3: Test procedure of line side cubicle & neutral side cubi

5、cleTITLE:Generator test proceduresDOCUMENT CODESOK0895374REVISION7REVISION DESCRIPTION: REVISEDPAGE MARKERN/ASECURITY CODENORIGINAL JOB1908191-92SIZE4LANGUAGEATHIS DOCUMENT IS FILED UNDER Nuovo Pignone S.r.l. DRAWING NUMBER. THIS DOCUMENT WILL BE REVISED N ITS ENTIRETY ONLY BY ORIGINATOR.SHEET2 of 5

6、0Part 1:Test procedure of Main generatorTITLEGenerator test proceduresDOCUMENT CODESOK0895374REVISION7REVISION DESCRIPTION: REVISEDDATE12-Apr-13APPROVEDSECURITY CODENCHECKEDVENDOR SUPPLIED DRAWINGSCALEN/AREPLACES/DERIVED FROMN/A1st ISSUE18-Oct-12ORIGINAL JOB1908191-92SIZE4LANGUAGEATHIS DOCUMENT IS F

7、ILED UNDER Nuovo Pignone S.r.l. DRAWING NUMBER. THIS DOCUMENT WILL BE REVISED N ITS ENTIRETY ONLY BY ORIGINATOR.Nuovo Pignone S.r.l. REVISION NUMBER MAY DIFFER FROM ORIG NAL TITLE BLOCK.SHEET3 of 501.Scope of applicationThe test procedure is applicable to 12K6Q0002B / QFW55-2 / 3-phase synchronous g

8、enerator.Test procedure of generator excitation panel and generator main terminal boxes as per Part 2 & Part 3.2.Test conditions & test preparation2.1Basic Test conditions2.1.1Accuracy of winding DCmeasuring instrument shall be at least grade 2; Max. Allowanceallowed for temperature detector

9、 shall be ±1.2.1.2Instruments and their ranges shall be selected properly according to actual need.2.1.3The selection of range shall make the measured value stands within 20% to 95% of their max. range.2.2Preliminary work before tests2.2.1The operators must be familiar with relevant rules and r

10、egulations for safety operation.2.2.2The operators must be familiar with purpose, requirements, methods, procedure and some other points of attention of test.2.2.3Everyone shall has clear responsibility and cooperate with each other during test.2.2.4Before test, the instrument, test equipment, switc

11、h, protection device, measuring instrument shall be in good order, the specifications shall be suitable, and the regulation device shall in correct position. The operators shall know in advance how to use and regulate these instruments.2.2.5The positions of instruments and equipments shall be taken

12、into consideration before wiring in order to make the line simple, reasonable, and convenient for regulating and reading. The main circuit shall be connected first and then for the other loops. The section area of the wires shall be chosen according to their corresponding currents.2.2.6It is not all

13、owed to switch on without permission of the test director.2.2.7Lubrication oil should be checked prior to testing, and bearing bush will not be dismounted for inspection after test.1. 適用范圍本試驗(yàn)程序適用于 12K6Q0002B QFW55-2 三相同步發(fā)電機(jī)。2. 試驗(yàn)基本條件和試驗(yàn)前的準(zhǔn)備2.1 試驗(yàn)基本條件2.1.12.1.2繞組的直流電阻測(cè)量?jī)x準(zhǔn)確度應(yīng)不低于 0.2 級(jí)，溫度測(cè)量?jī)x的最大合理選擇儀表、儀

14、器及其量程。誤差為±1。2.1.3儀表的選擇應(yīng)盡可能使所測(cè)數(shù)值在 20%95%儀表測(cè)程范圍內(nèi)。2.2 試驗(yàn)前的準(zhǔn)備工作2.2.1必須了解試驗(yàn)區(qū)的安全操作細(xì)則及有關(guān)規(guī)章制度；2.2.22.2.3必須了解試驗(yàn)?zāi)康摹⒁蟆⒎椒ê筒襟E以及一些注意事項(xiàng)；試驗(yàn)中要分工明確，操作中互相配合并各負(fù)其責(zé)；2.2.4檢查儀器、儀表、試驗(yàn)設(shè)備、開關(guān)、保護(hù)裝置、檢測(cè)儀器是否完好，規(guī)格是否合適，調(diào)節(jié)設(shè)備是否在正確位置，預(yù)先了解儀器、儀表設(shè)備使用及調(diào)節(jié)方法；2.2.5 接線前應(yīng)考慮儀器、儀表及設(shè)備位置，力求線路簡(jiǎn)單，合理，保證調(diào)節(jié)和讀數(shù)方便；先接主回路再接其它線路，接線時(shí)應(yīng)按電流大小選擇導(dǎo)線；2.2.6 試驗(yàn)前

15、主試檢查，不得閉合電源開關(guān)。2.2.7 試驗(yàn)前對(duì)潤(rùn)滑油質(zhì)進(jìn)行檢查，整機(jī)試驗(yàn)完成后不再拆開軸瓦檢查。3.Main machine data, lube oil data and cooling system data主發(fā)電機(jī)數(shù)據(jù)，油站數(shù)據(jù)和冷卻系統(tǒng)數(shù)據(jù)3.1Generator dataManufacturer & Type Frame Size & Shaft HeightRatedpower32° temperatureLagging power factor Leading power factorNANYANG, QFW55-2 BTA90-24W, 1575mm

16、65000 kVA (55.25 MW 32O C cooler water inlet temperature)0.850.95 as minimumCwaterdesignNote: It is requested that t factor at rated MWRated voltageerator must be capable of providing 0.95 lagging power11000 V (tolerance acc. to IEC34-1 figure 11 Zone A)50 Hz (tolerance acc. to IEC34-1 figure 11 Zon

17、e A)3412 AAs per <HT12W098-2 Generator Characteristic Curves & Data_Rev 1>3Left Right 23000 rpm3600 rpmRated frequencyRated currentOutput power curveversuscoolanttemperatureNumber of phasesLocation of line leads (facing from LP-DE) Location of neutral leads (facing from LP-DE) Number of po

18、lesRated speedOver-speed主發(fā)電機(jī)數(shù)據(jù)供應(yīng)商、型號(hào)南陽，QFW55-2 BTA90-24W, 1575mm65000 kVA (32 度進(jìn)水溫度下 55.25MW)0.85最小 0.95機(jī)座號(hào)、中心高32 度進(jìn)水溫度下的額定功率滯后功率因數(shù)超前功率因數(shù)注：要求發(fā)電機(jī)在額定功率下提供 0.95 的欠勵(lì)功率因數(shù)。11000 V （偏差參見 IEC34-1 表 11-A）50 Hz（偏差參見 IEC34-1 表 11-A）3412 A見HT12W098-2 發(fā)電機(jī)性能曲線及數(shù)據(jù)表_Rev 13額定電壓額定頻率額定電流輸出功率冷卻劑功率曲線用電線側(cè)引線位置（從低壓側(cè)軸伸端看）左側(cè)

19、中性點(diǎn)側(cè)引線位置（從低壓側(cè)軸伸端看） 極數(shù)額定轉(zhuǎn)速右側(cè)23000 rpm3600 rpm超速3.2Lube oil systemOil typeSupply temperature max /normal /min Mechanical design temperature Supply pressure min/normal Mechanical design pressure inlet/outlet Test pressure inlet/outletOil flowOil flowISO VG 46 65/50/35 °C100 °C0.9/2.5 bar 14 b

20、ar21 bar66 l/min (for generator bearings) 27 l/min (for exciter bearing)159 l/min (2 Generator brgs. +1 Exciter brg.)80 kW (for generator bearings) 14 kW (for exciter bearings) 500 PaRequired22 micron abs.Total Oil FlowOil heat rejection Oil heat rejectionum allowable backpressure Bearing ventFilter

21、ing degreePiping connectionto provide acommonNot Required - (Refer - SOL04569 P&ID)Inlet/Outlet interface flange (including generator bearings)allInlet/Outlet flange location (facing LP-DE) Inlet/Outlet connection flange rating Piping materialProject Lube Oil Line SpecificationInlet: Right, Outl

22、et: downward ANSI 150# / ANSI 150 # SS304SOK6756597油站數(shù)據(jù)：ISO VG 4665 / 50 / 35 °C100 °C0.9 / 2.5 bar 14 bar 21 bar66 l/min (發(fā)電機(jī)軸承)27 l/min (勵(lì)磁機(jī)軸承)159 l/min (2 發(fā)電機(jī)軸承+1 勵(lì)磁機(jī)軸承)80kW （發(fā)電機(jī)軸承）潤(rùn)滑油類型進(jìn)油溫度（最大/名義/最小）機(jī)械設(shè)計(jì)溫度供油（最小/名義）機(jī)械設(shè)計(jì)（進(jìn)口/出口） 進(jìn)口/出口試驗(yàn)油量油量總油量油的熱消耗油的熱消耗14kW （勵(lì)磁機(jī)軸承）500Pa需要22 微米（絕對(duì)值）不需要（見 S

23、OL04569 P&ID）最大背壓軸承通風(fēng)過濾等級(jí)發(fā)電機(jī)軸承油路共用進(jìn)出油接口所有發(fā)電機(jī)軸承）（包括位置（從低壓側(cè)軸伸端看）進(jìn)口：右側(cè)；出口：ANSI 150# / ANSI 150#304 不銹鋼SOK6756597油管材質(zhì)項(xiàng)目潤(rùn)滑油規(guī)范3.3Cooling systemWater-cooledFresh water (Water characteristics asperAppendix1ofcustomerCoolant type Glycol contentInlet temperature min/maxDesign water temperature (mechanical

24、) Allowed temperature risespecification 16861-RQ-503)N.A.32 °C80 °C10 °C37°C(55.25MW32°C,inletOutlet temperaturetemperature & Class B rise)38 °C (60MW32 °C, inlet temperature & Class F rise)6 bar10.5 bar2.5 bar< 1 bar173 m³/h (with 2x50% coolers in

25、use) 4x50%SingleOutlet temperature Design Pressure Test Pressure Operating pressureAllowed water pressure drop Cooling water flowNumber of cooler sectionsTube executionInlet/outlet water valvesCooler materials Cooler positionmanifoldsandrelevantNot Required 90-10 Cu-NiTop100 % (class B temperature r

26、ise)0.1 m2K/Kcal 1.5-2.5 m/s RightANSI DN50 RF11”Power output with one section out of service Fouling factorVelocity over heat exchange surfaces: Inlet/outlet flange location (facing LP-DE)Inlet/Outlet connection flange rating冷卻系統(tǒng)數(shù)據(jù)水冷卻系統(tǒng)冷卻介質(zhì)潔凈的自來水（水質(zhì)特性見用戶規(guī)范16861-RQ-503 附件 1）無32801037（55.25MW, 進(jìn)水溫度為

27、32，B 級(jí)）38（60MW, 進(jìn)水溫度為 32，F(xiàn) 級(jí)溫升）6 bar10.5 bar2.5 bar< 1 bar173 m³/h （正常運(yùn)行時(shí)使用 2x50%冷卻器）4x50%85 m³/h單層管乙二醇含量進(jìn)水溫度 最低值/最高值設(shè)計(jì)水溫（機(jī)械）出水溫度出水溫度設(shè)計(jì)試驗(yàn)運(yùn)行的水壓降冷卻水流量冷卻器單元個(gè)數(shù)每單元耗水量冷卻管類型進(jìn)出水歧管以及相關(guān)閥門不需要90-10 Cu-Ni頂部冷卻管材質(zhì)冷卻器位置100%（B 級(jí)0.1 m2 K/Kcal 1.5-2.5 m/s右側(cè)ANSI DN50 RF11”一個(gè)冷卻器單元失效時(shí)的總輸出污垢系數(shù)熱交換器表面流速）進(jìn)出水進(jìn)出水位

28、置（從低壓側(cè)軸伸端看）4.Test bed information4.1Lube oil system test dataLP oil pressure: 0.4MPa; HP oil pressure: 31.5MPa; Filtering accuracy: Class 1: Oil supply temperature: Oil:flow (adjustable): 100+200+700l/min flow: 12l/min；0.08mm; Class 2: 0.01mm. 40±3L-TSA46(ISO VG46)4.2Cooling water system test d

29、ata:Water supply pressure: Total flow (adjustable): Water inlet temperature: Water quality:0.5MPa,400t/h32Clean tap water4.3Major test equipments4.3.1 Variable frequency power supply: 5000kW, 6kV, 0100Hz; Driving machine: 2800kW-2P，6kV，50Hz (over-speed available up to 60Hz)4.3.2 High-voltage panel f

30、or measurement: 15kV, 4000A4.3.3 DC excitation system 1: 500V, 3000A; DC excitation system 2: 230V, 50A;4. 試驗(yàn)站數(shù)據(jù)4.1 試驗(yàn)數(shù)據(jù)：低壓油：0.4MPa ，流量（可調(diào)）：100+200+700l/min； 高壓油：31.5MPa ，流量：12l/min；過濾精度：一級(jí)：0.08mm，：0.01mm. 供油溫度：40±3油質(zhì)類型：L-TSA464.2 試驗(yàn)站供水系統(tǒng)：0.5Mpa ，總流量（可調(diào)）：400t/h. 水溫：32，水質(zhì)：潔凈自來水。4.3 主要設(shè)備：4.3.1供電變

31、頻電源：5000kW，6kv，0100Hz，拖動(dòng)電機(jī)：2800kW-2P，6kV，50Hz（可超速至60Hz）4.3.2測(cè)量高壓柜：15kV， 4000A4.3.3直流勵(lì)磁系統(tǒng)1：500V 3000A；直流勵(lì)磁系統(tǒng)2：230V 50A；5. Test items and test procedures 試驗(yàn)項(xiàng)目和試驗(yàn)步驟5.1 Generator data to be checked 主要需要測(cè)試的發(fā)電機(jī)參數(shù)序No項(xiàng)目Test Item符號(hào) MarkUnit1電樞繞組直流相電阻 95 Armature Winding DC Phase95 R12磁極繞組直流電阻 95 Magnetic Pol

32、es Winding DC Phase95R13鐵耗 Iron lossesPfekW4機(jī)械耗 Mechanical lossesPfwkW5電樞滿載銅耗 Armature Full Load Copper LossesPcuakW6磁極繞組滿載損耗 Magnetic Poles Winding Full Load LossesPcufkW7雜散損耗 Total Stray LossesPdkW8滿載效率 Full Load Efficiency%9滿載勵(lì)磁電流(Cos=0.85) Full Load Excitation Current(Cos=0.85)IfnA10滿載電樞電流（(Cos=

33、0.85)Full Load Armature Current(Cos=0.85)I1A11絕緣電阻電樞/轉(zhuǎn)子 InsulationArmature/RotorM12軸伸端軸承溫度 DE Bearing Temp.13非軸伸端軸承溫度 NDE Bearing Temp.14過電流 30 秒 Over Current 30 secondsA15超速(1.2n) 2 分鐘 Overspeed(1.2n) 2minutesr/mi16電樞耐電壓1 分鐘 Armature HV test 1 minuteV17轉(zhuǎn)子耐電壓1 分鐘 Rotor HV test 1 minuteV18振動(dòng)Vibration

34、mm/s19滿載定子Full Load Stator Temp. Rise1K20滿載轉(zhuǎn)子Full Load Rotor Temp. Rise1K21噪聲 （聲壓級(jí)）Noise(SPL)LpdB(A)22波形畸變率 Waveform Distortion Rate%23極化指數(shù) Polarization indexR10min/R124進(jìn)水溫度 In water Temp.25出水溫度 Out water Temp.26水流量 Water fluxt/h27測(cè)溫元件絕緣電阻 RTD InsulationM28永磁機(jī)電壓 PMG VoltageV5.2 Tests before type tes

35、t of complete generator(rotor not inserted into stator)整機(jī)前試驗(yàn)項(xiàng)目(轉(zhuǎn)子未定子之前)5.2.1 Run out Checks on BN Tracks 跳動(dòng)檢查5.2.2 Rotor earth fauetector check轉(zhuǎn)子接地檢測(cè)模塊檢查QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)SOK0895370-A 2.3.2 para. SOK0895370-A- 第 2.3.2 段Referred std.試驗(yàn)標(biāo)準(zhǔn)PPI 接地檢測(cè)模塊檢驗(yàn)程序PPI earth fauetector inspector procedureProcess des

36、cription試驗(yàn)步驟根據(jù) PPI 接地檢測(cè)模塊檢驗(yàn)程序As per PPI earth fauetector inspector procedureEquipment測(cè)量?jī)x器相機(jī) 示波器Camera, OscilloscopeAcceptance criteria1.波形符合 PPI 檢測(cè)程序內(nèi)圖形要求，沒有接地故障。QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)SOK0895370-A 2.3.2 SOK0895370-A- 第 2.3.2 段Referred std.試驗(yàn)標(biāo)準(zhǔn)SOK0895351API617Process description試驗(yàn)步驟The rotor should be sup

37、ported and rotate so that the electrical and mechanical run-out on the Bentley Nevada proximitor tracks can be measured.Run out check will be done when the rotor is on lathe or in over speed pit.支撐并 轉(zhuǎn)子，然后通過 側(cè)振裝置測(cè)量機(jī)械和電氣跳動(dòng)值。轉(zhuǎn)子跳動(dòng)檢查在車床或者超速地坑內(nèi)上進(jìn)行。Equipment測(cè)量?jī)x器ACCUSCAN run-out inspection system ACCUSCAN 跳

38、動(dòng)檢測(cè)系統(tǒng)Acceptance criteria驗(yàn)收標(biāo)準(zhǔn)um combined electrical/mechanical run-out: < 16 m p-p最大機(jī)械/電氣總跳動(dòng)值: < 16 m峰峰值驗(yàn)收標(biāo)準(zhǔn)1.Wave shall be in line with the picture as shown in the spec to demonstrate there is no earth fault.5.2.3 Polarity check of PMG poles 永磁機(jī)極性檢查5.2.4 Rotor dynamic balance and over-speed te

39、st 轉(zhuǎn)子動(dòng)平衡和超速試驗(yàn)5.2.5 Measurement of AC impedance 交流阻抗的測(cè)定QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)SOK0895370-A Section 2.3.3 SOK0895370-A 第 2.3.3 段QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)SOK0895370-A Section 2.3.3 SOK0895370-A 第 2.3.3 段Referred std.試驗(yàn)標(biāo)準(zhǔn)IEC60034-3 ISO11342 PPI-019-024Process description試驗(yàn)步驟Drive terator rotor to run from low speed t

40、o high speed, while recording and taking vibration spectrum analysis at different speeds, then add balance weights at proper positions of rotor according to analysis result. After several corrections, the rotor vibration can be controlled within required range. Then make terator run to the specified

41、 over-speed and then last for 2 minutes.Bode plot during run up (up to 120% of rated speed) and run down to be recorded.拖動(dòng)發(fā)電機(jī)轉(zhuǎn)子運(yùn)轉(zhuǎn)，由低速到高速，在不同轉(zhuǎn)速下，利用 頻譜分析儀器進(jìn)行振動(dòng)頻譜分析，根據(jù)分析結(jié)果在轉(zhuǎn)子對(duì)應(yīng)角度添加平衡塊。經(jīng)過反復(fù)校正，最終將轉(zhuǎn)子振動(dòng) 在標(biāo)準(zhǔn)范圍內(nèi)。超速至規(guī)定轉(zhuǎn)速并維持 2 分鐘。數(shù)據(jù)應(yīng)包括啟動(dòng)（120%額定轉(zhuǎn)速）和停機(jī)時(shí)候的 。Equipment測(cè)量?jī)x器Dedicated high-speed dynamic balance analyz

42、er, stopwatch高速動(dòng)平衡分析儀、秒表Acceptance criteria驗(yàn)收標(biāo)準(zhǔn)G1.0 at cold and G1.5 at hot to ISO11342. ISO11342 中的冷態(tài) G1，熱態(tài) G1.5For generator with speed above 1800rpm, the shaft vibration shall be no more than 65 micro meter Peak to Peak.額定轉(zhuǎn)速>1800rpm 時(shí) ，軸振動(dòng)不超過 65 微米 峰值-峰值。QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)SOK0895370-A 5.2 SOK08

43、95370-A 第 5.2 段Referred std.試驗(yàn)標(biāo)準(zhǔn)IEEE115Process description試驗(yàn)步驟Check the polarity of rotor magnets one by one with compass.用指南針逐塊檢查轉(zhuǎn)子磁鋼的極性。Equipment測(cè)量?jī)x器Compass 指南針Acceptance criteria驗(yàn)收標(biāo)準(zhǔn)The magnetic poles shall be placed in the sequence of N, S alternatively.磁極應(yīng)為 N、S 交替排列。Referred std.試驗(yàn)標(biāo)準(zhǔn)IEC60034-2,

44、 JB8446-2005Process description試驗(yàn)步驟1) Run terator rotor, and then engage required AC voltage on the rotor;2) Record AC voltage and current at different speeds;3) Calculate the impedance value according to voltage and current. The insulationat different speeds shall be measured and recorded, and then

45、 the HV test at rated speed shall be taken and recorded after over-speed.Note:a) On the rotor during the hot over-speed test to check for shorts between turnsb) On terator after running tests as a reference for the customerc) During the hot over-speed a rotating High voltagecarried out at nominal sp

46、eed.d) When taking this test, the rectifier shall be disconnected withterator rotor (with the internal copper bars disconnected). 由拖 拖動(dòng)轉(zhuǎn)子運(yùn)轉(zhuǎn)，對(duì)轉(zhuǎn)子繞組施加規(guī)定的交流電壓，在不同轉(zhuǎn)速下 交流電壓和電流值，根據(jù)電壓和電流值計(jì)算阻抗值。不同轉(zhuǎn)速下測(cè)量、 轉(zhuǎn)子絕緣電阻， 超速后額定轉(zhuǎn)速下耐壓值。注：a) 在熱態(tài)超速試驗(yàn)時(shí)測(cè)量轉(zhuǎn)子的交流阻抗，以檢查匝間短路；b) 在運(yùn)轉(zhuǎn)試驗(yàn)后測(cè)量發(fā)電機(jī)的交流阻抗，從而為用戶提供參考；c) 在熱態(tài)超速試驗(yàn)后，需要在額定轉(zhuǎn)速下進(jìn)行旋轉(zhuǎn)狀

47、態(tài)的耐壓試驗(yàn)。d) 做該項(xiàng)試驗(yàn)時(shí)注意整流盤與主機(jī)轉(zhuǎn)子斷開（拆開內(nèi)部銅排）。Equipment測(cè)量?jī)x器AC impedance test station交流阻抗測(cè)試臺(tái)Acceptance criteria驗(yàn)收標(biāo)準(zhǔn)1. The impedance difference between adjacent 300r/min shall not exceed 5% of the max. value.2. After the hot over-speed test, the machine shall withstand the rotating HV test at 1500V for 1 minut

48、e.1. 每隔 300r/min 之間的阻抗差值，不得大于最大值的 5% 。2. 在熱態(tài)超速試驗(yàn)后，在額定轉(zhuǎn)速下進(jìn)行旋轉(zhuǎn)狀態(tài)的轉(zhuǎn)子耐壓試驗(yàn)：1500V 1min 通過。5.3 Inspection items of complete machine 整機(jī)檢查項(xiàng)目5.3.1 Inspection before type test 整機(jī)試驗(yàn)前的檢查項(xiàng)目5.3.1.1 Air gap check 氣隙檢查QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)SOK0895370-A Section 4.1.2 SOK0895370-A 第 4.1.2 段Referred std.試驗(yàn)標(biāo)準(zhǔn)Drawings1AP.252.

49、0078圖紙 1AP.252.0078Process description試驗(yàn)步驟Measure the gap between rotor outer diameter and stator inner diameter with air gap feeler. Caution shall be taken that the position of rotor & stator slots shall be avoided.Note: 1) Take 3 or 4 data for rotor at each 90° 2) Measurement shall be tak

50、en at HP end and LP end at the same time when the rotor is at different angle.用氣隙塞尺在轉(zhuǎn)子本體外圓與定子內(nèi)圓之間測(cè)量?jī)烧咧g的間隙。注意，測(cè)量位置應(yīng)避開轉(zhuǎn)子、定子槽的位置。注意：轉(zhuǎn)子每轉(zhuǎn) 90°測(cè)量 3 或 4 個(gè)數(shù)據(jù)；轉(zhuǎn)子在不同的圓周位置時(shí)，高壓端、低壓端同時(shí)測(cè)量；Equipment測(cè)量?jī)x器Self-made air gap feeler氣隙塞尺Acceptance criteria驗(yàn)收標(biāo)準(zhǔn)Air gap for main generator: 53 mm ± 5% Air gap for

51、exciter: 3mm ± 5%Air gap for PMG: 5.5mm ± 5%主機(jī)氣隙理論值為 53mm,勵(lì)磁機(jī)氣隙理論值為 3mm，永磁機(jī)氣隙理論值為 5.5 mm；偏差不大于 ±5%5.3.1.2 Bearing insulation 軸承的絕緣5.3.2 Type test of complete machine 整機(jī)試驗(yàn)項(xiàng)目型式試驗(yàn)在發(fā)電機(jī)整機(jī) (由于接線柜會(huì)嚴(yán)重影響接線端子的操作空間，特別是部分試驗(yàn)還需要在接線端子上進(jìn)行試驗(yàn)，因此試驗(yàn)時(shí)候主接線盒不安裝在主機(jī)上）上進(jìn)行。Typecarried out on complete machine (M

52、ain cubicles will not be mounted on terator during test since it is impractical to tests with the cubicles in position as it severely restricts access to the main terminals, especially on some test where thecarried out at the mains terminal.)5.3.2.1 Shaft-bearing insulation 軸承對(duì)地的絕緣的測(cè)試QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段

53、落號(hào)SOK0895370-A Section 4.1.6 SOK0895370-A 第 4.1.6 段Referred std.試驗(yàn)標(biāo)準(zhǔn)IEEE43Process description試驗(yàn)步驟1. Thisperformed when the drive motor is not connected with terator.2. Put the rotor onto the bearings.QCP Ref對(duì)應(yīng)的質(zhì)量計(jì)劃段落號(hào)N.A.Referred std.試驗(yàn)標(biāo)準(zhǔn)1AP.252.0078Process description試驗(yàn)步驟After machine assembly and before connecting to the drive motor, check the insulationbetween shaft and bearing housing. 整機(jī)裝配后，連接到拖之前，測(cè)量瓦與座之間的絕緣電阻。Equipment測(cè)量?jī)x器250V Mega Ohm meter 250V 兆歐表Acceptance criteria驗(yàn)收標(biāo)準(zhǔn)The i