发电机电气试验作业指导书.docx
《发电机电气试验作业指导书.docx》由会员分享，可在线阅读，更多相关《发电机电气试验作业指导书.docx（12页珍藏版）》请在冰豆网上搜索。
发电机电气试验作业指导书
CSPC南海石化项目
发电机电气试验作业指导书
GENERATORTEST
工作程序:
WI-8710-8100-0062
山东电力基本建设总公司
修改纪录
Themodificationrecords
目录
Contents
1.0工程概况Gnereralintroduction
2.0编制依据References
3.0施工准备Constructionpreparation
4.0主要施工机械及工具Mainmachineryandtools
5.0试验项目Testitems
6.0劳动力组织Laborforce
7.0施工工序和施工方法Constructionprocedureandplans
8.0工作安全分析JSA
1.0工程概况:
Generalintroduction
中国南海石化汽电联产项目共有五台发电机,其中:
Thereare5generatorsinSteam&PowerunitforCSPCNanhaipetrochemicals
project,thereinto:
燃气机组（1台型号:
TA30-46有功功率:
42.4MW视在功率:
53MVA
功率因数:
0.8电压:
11±10.0%kV额定电流:
2748A
频率:
50HZ转速:
3000转/秒相数:
3相
联结方式:
星型生产厂家:
ALSTOM
Oneusedforgasturbineunit:
TYPE:
TA30-46,Activepower:
42.4MW,Apparentpower:
53MVA,
Powerfactor:
0.8,Ratedvoltage:
11±10.0%kV,Phase:
3相,
Ratedcurrent:
2748A,Frenquency:
50HZ,Rotationspeed:
3000
转/秒,Couplingofphase:
starManufacturer:
ALSTOM汽轮发电机（4台型号:
TLRI92/26容量:
75MVA功率因数:
0.8
额定电流:
3936A电压范围:
+10.0-10.0%额定电压:
11kV
频率:
50HZ转速:
3000转/秒相数:
3相
联结方式:
YY生产厂家:
SIEMENSAG
SteamTurbineGenerators（#1-4:
TYPE:
TLRI92/26,Capacity:
75MVA,Ratedcurrent:
3936A,
Voltagerange:
11±10.0%kV,Powerfactor:
0.8,Phase:
3相
Frenquency:
50HZ,Rotationspeed:
3000转/秒,Couplingofphase:
YYManufacturer:
SIEMENSAG
2.0编制依据:
References
2.1DEP6
3.10.08.11FieldCommiss&MainofElecInstallationsEquip.
2.2《电气装置安装工程电气设备交接试验标准（GB50150—91》
《Standardforelectricequipmenttestofelectricequipmentinstallationengineering（GB50150—91》
2.3《电力建设安全工作规程》DL5009.1-92
《Safetyworkregulationsofelectricpowerconstruction》DL5009.1-92
2.4发电机出厂技术资料Ex-factorytechniqueinformation
2.5发电机出厂试验报告Ex-factorytestreport
3.0施工准备:
Constructionpreparation
3.1发电机已运至现场就位安装,外壳接地良好,绕组引出线与地安全距离充足。
Thegeneratorhasbeendeliveredandlocatedandinstalledonthesite,thecasingearthedwell,andenoughdistanceisnecessarybetweenthelead-out
wireofstatorandearth.
3.2现场已清理干净、道路通畅。
Thesitehasbeencleanedup,andtheroadisunblocked.
3.3本作业指导书及安全技术措施已编制审批完毕,对所有参加试验人员交底并签字,
交底记录齐全。
Thepreparationoftheworkinstructionandsafetytechniquemeasureshasbeencompleted,andtheexaminationandapprovalalsohasbeendone.All
personnelattendingthetesthavebeentoldtherealintentionsandsignit
up.Therecordisallready.
3.4试验仪器准备齐全,工作正常,试验人员熟悉仪器的使用方法。
Thetestapparatushasbeenprepared,andtheyworkingear.Thetestpersonnelarefamiliarwiththeusingwayofapparatus.
3.5施工图纸及有关技术资料齐全。
Theconstructiondrawingandrelativetechnicalinformationareallready.
3.6试验所需工具准备齐全。
Toolsfortestrequiredareallready.
3.7试验区域拉好警戒绳,挂上明显的警示牌。
Setthewarningropeintestareaandhangthevisiblewarningcard.
3.8试验用电源开关要悬挂“试验专用,严禁乱动”警示牌。
Thewarningcardwhichissaying“Specialforuse,don’tfiddlewithit”
fromthepowerswitchusedfortest.
3.9发电机试验应有厂方人员现场技术指导。
Thetestingofgeneratorshouldbeguidedbytheengineerofmanufacturer.
3.10交流耐压试验应在直流耐压试验合格后进行。
SeparatesourcepowerfrequencywithstandtestshouldbecarriedoutafterDChighpotentialtestpassed.
4.0主要施工机械和工具Mainmachineryandtools:
4.1BM11D型数字兆欧表Digitalmegohmmeter1块One4.2直阻测试仪DCresistancetester1台One
4.3直流高压发生器Highvoltaged.ctester1台One4.4发电机交流耐压机Highvoltagea.ctester1套One
4.5保护球隙Overvoltageprotection1只One
4.6多量程直流毫安表DCmilliammeter（0-50-100mA1只One
4.7多量程直流微安表DCmicroamperemeter（0-100-1000μA1只One
4.8多量程交流毫安表ACmilliammeter（0-50-100mA1只One
4.9多量程交流电流表ACamperemeter（0-2.5-5A1只One
4.10保险丝、绝缘塑料带、导线、电源盘、警戒绳、警示牌等,刀闸、接地线、放电棒、
绝缘垫、绝缘手套、温湿度计、支柱绝缘子等,常用工具一套。
Fuse,insulatedplastictape,lead,powersupplyunit,warningrope,warningcard,isolatedswitch,groundedlead,discharge-staff,insulatedbed,
insulatedglove,hygrothermographandsoon,asetofcommontools.
5.0试验项目Testitems
本工程需要做以下试验,试验数据通过试验报告（附后。
将试验数据与出厂报告中
的数据组进行比较分析。
验收标准应该遵照厂家提供标准和国标。
Thefollowingtestsshallbeconductedandthetestresultsshallberecorded
intheattachedform（2sheets.Thetestresultsshallbecomparedwiththe
testresultsperformedatthefactory.Theacceptancecriteriaforeachtest
shallbeasperAlstom’s/GBstandards.
5.1测量定子绕组的绝缘电阻和吸收比;
Measurementofstatorinsulationresistanceandabsorptionratio
5.2测量定子绕组的直流电阻及定子绕组的极性;
MeasurementofstatorDCresistanceandpolarity
5.3测量转子绕组的绝缘电阻;
Measurementofrotorinsulationresistance
5.4测量转子绕组的直流电阻;
MeasurementofrotorDCresistance
5.5测量发电机和励磁机的励磁回路连同所连接设备的绝缘电阻值,不包括发电机转子;Measureinsulationresistanceofgeneratorandexciter’sexcitingcircuits,exrotorandexciterarmature.
5.6发电机和励磁机的励磁回路连同所连接设备的交流耐压试验,不包括发电机转子;
Separatesourcepowerfrequencywithstandtestofgeneratorandexciter’sexcitingcircuits,exrotorandexciterarmature.
5.7测量转子绕组的交流阻抗和功率损耗;
MeasurementofrotorACimpedanceandcapacityloss
5.8发电机定子直流耐压及泄漏电流测量（见附图;
DChighpotentialtestofstator
5.9发电机定子交流耐压试验（见附图;
Separatesourcepowerfrequencywithstandtestofstator
注:
发电机试验项目的设定以厂家规定为准。
Note:
Whetherornotcarryoutthesetestitems,abidebytheprovisionofgeneratormanufacturer.
6.0劳动力组织Laborforce:
试验指挥Testdirector:
1人Onepeople
试验监督Testsupervisor:
1人Onepeople
试验记录Testrecorder:
1人Onepeople
试验操作Testoperator:
3人Threepeople
7.0施工工序和施工方法Constructionprocedureandplans:
7.1测量定子绕组的绝缘电阻和吸收比;
Measurementofstatorinsulationresistanceandabsorptionratio
7.1.1测量前A、B、C三相绕组分别首尾短接,使用5000V兆欧表分别测量A-B+C+地,B-A+C+
地,C-A+B+地的绝缘电阻及吸收比。
Short-circuittheA、B、Cstatorwindingrespectivelyfrombeginningtoendbeforetesting.MeasuringtheinsulationresistanceandabsorptionratioofA-B+C+EARTH,B-A+C+EARTH,C-A+B+EARTHwith5000Vmegger.
7.1.2每测量完一相后,应充分放电,并挂好接地线后才能换线。
Afteronephasecompletestesting,thestatorshouldbedischargedadequatelyandconnectedtoearthbeforechangingthetestconnection.
7.1.3吸收比不小于1.3,各相绝缘电阻值的不平衡系数不应大于2。
Theabsorptionratioshouldnotlessthan1.3,andtheunbalancefactorofeachphase’sinsulationresistanceshouldlessthan2.
7.2测量定子绕组的直流电阻及定子绕组的极性;
MeasurementofstatorDCresistanceandpolarity
7.2.1接好测试线并检查其正确性,先测A相,然后B相及C相。
Connectthetestconnectioncorrectly,measurestatorDCresistanceofAphase,thenBphaseandCphase.
7.2.2被测绕组两端接线要求电压线内接,测试线应有足够截面并与绕组引出线接线板接
触良好。
Internalconnectthevoltagewiring.Thetestwiringshouldhaveenoughsection,andconnectedtothestatorwindingallright.
7.2.3检查接线无误后,合上仪器电源,检查仪器工作正常,按厂家资料选定合适的量程
开始测试;测试完毕,待放电完毕后,断开电源开关,更换试验接线,测量下一绕
组。
Closethepowerswitchofapparatusafterexaminingtheconnection.Examinewhethertheapparatusworksallright,choosetheproperrangeandstarttotest.Aftertesting,dischargeadequatelyfirst,thencutoffthepowerswitch,changethetestconnection,andmeasurethenextphase.
7.2.4试验过程中如仪器量程不合适,先停止测试,待放电完毕后方可更换。
Iftheapparatusrangeisnotproperincourseofmeasurement,stoptestingfirstandchangeitafterdischargeadequately.
7.2.5测量过程中,拆换线前应充分放电,仪器指示放电完毕后方可进行拆换线,必要时挂
上接地线。
Incourseofmeasurement,dischargeadequatelyfirstbeforechangethetestconnection,evenhangsthegroundedwiringifnecessary.
7.2.6禁止试验过程中断开电源及接在试品两端的测试线。
Prohibitcuttingofftheelectricsourceandthetestwiringconnectedatthestator.
7.2.7各相绕组直流电阻在校正了由于引线长度不同引起的误差后,相互间差别不应超过
最小值的2%。
Aftercorrectinginaccuracycausedbythedifferenceofleadlength,the
reciprocaldifferentialvalueofeachphaseDCresistanceshouldbelessthan
2%oftheleastvalue.
7.2.8用直流感应法测量定子绕组的极性,A,B,C应互为减极性。
CheckingstatorpolarityinthewayofDCinduction,theA、B、Cwindingshould
besubtractivepolarityeachother.
7.3测量转子绕组的绝缘电阻;
Measurementofrotorinsulationresistance
7.3.1将转子绕组首尾短接,用1000V兆欧表测量转子绕组对地的绝缘电阻与吸收比。
Short-circuittherotorwindingfrombeginningtoend,thenmeasuretheinsulationresistancebetweenrotorandearthwith1000Vmegger.
7.3.2测得的绝缘电阻不低于10×（0.117kV+1MΩ（25℃时,吸收比不低于2。
如果绝缘
电阻大于100×（0.117kV+1即11.7MΩ,则吸收比允许低于2。
Theminimumacceptableinsulationresistancevalueshallbe10×（0.117kV+1
MΩ（at25℃.PIvaluesshouldnotlessthan2,andthisvaluesbelow2can
beacceptedifIR>100×（0.117kV+1=11.7MΩ.
7.3.3试验温度与出厂试验温度不同时,换算至同一温度下比较。
Convertitintothesametemperatureforcomparisonifthetesttemperatureisdifferentfromtheex-factorytesttemperature.
7.4测量转子绕组的直流电阻
MeasuringtheDCresistanceofrotor
7.4.1测量须在转子冷态下进行。
Themeasurementshouldbecarryoutwhenrotorcold.
7.4.2被测绕组两端接线要求电压线内接,测试线应有足够截面并与绕组引出线接线板接
触良好。
Internalconnectthevoltagewiring.Thetestwiringshouldhaveenoughsection,andcontactwiththestatorwindingallright.
7.4.3检查接线无误后,合上仪器电源,检查仪器工作正常,按厂家资料选定合适的量程
开始测试;测试完毕,待放电完毕后,断开电源开关,拆除试验接线。
Closethepowerswitchofapparatusafterexaminingtheconnection.Examinewhethertheapparatusworksallright,choosetheproperrangeandstartto
test.Aftertesting,dischargeadequatelyfirst,thencutoffthepower
switch,remmovethetestconnection.
7.4.4试验过程中如仪器量程不合适,先停止测试,待放电完毕后方可更换。
Iftheapparatusrangeisnotproperincourseofmeasurement,stoptestingfirstandchangeitafterdischargeadequately.
7.4.5测量过程中,拆换线前应充分放电,仪器指示放电完毕后方可进行拆换线,必要时挂
上接地线。
Incourseofmeasurement,dischargeadequatelyfirstbeforechangethetestconnection,evenhangsthegroundedwiringifnecessary.
7.4.6禁止试验过程中断开电源及接在试品两端的测试线。
Prohibitcuttingofftheelectricsourceandthetestwiringconnectedatthestator.
7.4.7测得的直流电阻与出厂数据比较,其差值不应超过2%。
ThedifferentialvaluebetweenEx-factorydataandthemetricalvalueshould
belessthan2%.
7.5测量发电机和励磁机的励磁回路连同所连接设备的绝缘电阻值,不包括发电机转子
Measureinsulationresistanceofgeneratorandexciter’sexcitingcircuits,exrotorandexciterarmature.
7.5.1使用500V兆欧表测量,测得值不低于0.5MΩ。
Measureinsulationresistancewith500Vmegger,andtheinsulationresistanceshouldnotlessthan0.5MΩ.
7.5.2回路中有电子元器件设备的,试验时应将插件拔出或将其两端短接。
Ifthereareele
升级会员 