泰国水泥电气调试方案

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本期规模sizeofproject1X25MW发电机组Powergeneratingsetof1X25MW泰水泥TS4&6水泥生产线余热发电项目WasteheatpowergeneratingprojectforThailandcementTS4&6cementproductionline专业specialty电气electric电气单体调试方案Testprogramforsingleelectricequipment河南省安装集团有限责任公司中试所CentralTestingInstituteofHeNanProvinceInstallationGroupCo.,Ltd2009年7月July20091编写Wroteby年year月month日day审核Checkedby:年year月month日day批准Approvedby:年year月month日day2目录catalog1、编制依据basistowritethisprogram2、电气调试施工前的准备preparationsforelectrictest3、调试试验作业内容jobcontentsfortest4、安全注意事项safetyissues31、编制依据basistowritethisprogram1.1、《电气装置安装工程电气设备交接试验标准GB50150—2006》《standardsforelectricequipmenttransferringtotestforelectricequipmentinstallationprojectGB50150—2006》1.2、《继电器保护校验规程》《regulationsofprotectionandtestforrelay》1.3、《电气指示仪表检验规程》《testregulationsforelectricindicationinstruments》1.4、《火力发电厂基本建设工程及竣工验收工程1996年版》《Acceptanceregulationsofstartupandfinishingofpowerplantconstructionproject》(versionof1996)1.5、《继电保护及电网安全自动装置检验条例》《testrulesforrelayprotectionandgridsafetyautomatics》1.6、设备生产厂家的技术标准及设备调试大纲Testoutlinesofequipmentandtechnologicalstandardsofmanufacturer1.7、工程电气施工图纸Constructiondrawingsofelectricproject2、电气调试施工前的准备preparationsbeforeelectrictest2.1、主管该项目的技术负责人应参加本工程的图纸会审、提出合理化建议。Techniciansinchargeofthisprojectshouldparticipateinunitedcheckingfordrawingsoftheproject,andputforwardrationaladvices。2.2、对本工程的新设备、新技术提前准备详细资料、并写出专项调试方案。Preparedetaileddocumentsinadvancefornewequipmentandnewtechnologyinthisprojectandwritespecialtestprograms。42.3、按设计院设计的原理接线图对一次、二次接线、微机、继电保护装置进行全面的了解,对特殊保护装置等应有专项调试方案。Understandthoroughlytheprimarywiring、thesecondarywiring、computerandrelayprotectorreferringtoprincipalwiringdiagramdesignedbydesigninstitutes。Specialtestprogramshouldbethereforparticularprotectoretc。2.4、熟悉了解全厂大容量及重要设备的性能、技术数椐、试验方法、保护整定值、以确保试验结果的正确性。Knowwelltheperformance、technologicaldata、testmethodsandsettingvaluesofprotectionofimportantequipmentwithbigcapacityofplanttoensurecorrectnessoftestresults。2.5、根据本厂设备选型收集各厂家的技术资料、对施工人员进行安全、技术交底、确保施工质量及施工工艺。Collecttechnologicaldataofallmanufacturersaccordingtoequipmentmodelselectionoftheplant,maketechnologyandsafetyintroductiontoconstructionpersonstoensurequalityandtechniquesofconstruction。2.6、提出电气调试项目、标准,根据现场的工程进度编制调试进度计划表。Makeoutitemsandstandardsofelectrictest,workouttestprogressscheduleaccordingprojectconstructionprogressonsite。3、调试试验作业内容testjobcontent3.1电力变压器:powertransformers31.1测量绕组连同套管的直流电阻:measureDCresistanceofwindingsandcasings采用直阻速测微欧姆计或双臂电桥,测量应在各分接头的所有位置上进行,5各相测得值的相互差值应小于平均值的2%,线间测得值的相互差值应小于平均值的1%。Themeasurementwillbetakenwithquickmicrohmmeterofdirectresistanceordoublebridgesinallbranchconnectors,themutualdifferenceofallmeasurementresultsofallphasesshouldbelessthan2%ofaveragevalues,themutualdifferenceofallmeasurementresultsofallphase-to-phaseresistanceshouldbelessthan1%ofaveragevalues,31.2检查所有分接头的变压比:checkvoltageratioofallbranchconnectors检查采用变压比电桥,其变压比的允许误差在额定分接头位置时为0.5%。Usevoltageratiobridgeforchecking,thetoleranceofvoltageratioshouldbe0.5%inratedbranchconnectors。31.3检查变压器的三相结线组别:checkwindingsofthreephaseswiringoftransformer与检查变压比同时进行,必须与设计要求及铭牌上的标记和外壳上的符号相符。Thisjobandcheckingofvoltageratiowillbedonesynchronously,theresultsmustbeinaccordancewithdesigningrequirements、marksinnameplatesandsymbolsinoutsideshell。31.4测量绕组连同套管及铁芯的绝缘电阻与吸收比:Measureinsulationresistanceandabsorptionratioofwindings、casingsandironcores。采用2500/500V兆欧表进行测量,绝缘电阻值不应低于产品出厂试验值的70%。Usemegohmmeterof2500/500Vformeasurement,theinsulation6resistancevaluesshouldnotbelessthan70%ofexperimentalvaluesofproductiondelivery。31.5绕组连同套管的交流耐压:ACvoltageenduranceofwindingsandcasing本项试验应根据被试变压器绝缘介质要求相应进行。高压绕组短接接入试验变压器高压侧,低压绕组短接接地。低压绕组短接接入试验变压器高压侧,高压绕组短接接地。试验符合规范要求。Thistestwillbecarriedoutaccordingtorequirementsofinsulationmediaoftransformerstobetested。Highvoltagewindingwillbeshortconnectedtohighvoltagesideoftransformerstobetested,lowvoltagewindingwillbeshortconnectedtoearth。lowvoltagewindingwillbeshortconnectedtohighvoltagesideoftransformerstobetested,highvoltagewindingwillbeshortconnectedtoearth。Thetestmustmeetrequirementsofregulations。31.6在额定电压下对变压器的冲击合闸试验:impacttestontransformerinratedvoltage在额定电压下对变压器的冲击合闸试验,应进行5次,每次间隔时间宜为5min,应无异常现象;冲击合闸宜在变压器高压侧进行;对中性点接地的电力系统,试验时变压器中性点必须接地,无电流差动保护的干式变压器可冲击3次。Impacttestontransformerinratedvoltagewillbedoneinfivetimes,theintervalshouldbe5minutes,thereshouldbenosomethingabnormal;thetestshouldbedoneonhighvoltagesideoftransformer。Fortheelectricsystemofneutralpointbeinggrounded,theneutralpointoftransformermustbegroundedwhentestwasdone;forthedrytransformerwithoutcurrentdifferentialprotection,thetestcanbedoneforthree7times。31.8检查变压器的相位必须与电网相位一致。Checkthephasesoftransformer,theymustbeinaccordancewithgridphases。3.2互感器(6.6/0.4KV)mutualinductor32.1测量绕组的绝缘电阻:measureinsulationresistanceofwinding采用2500V兆欧表测量一次绕组对二次绕组及外壳、各二次绕组间及其对外壳的绝缘电阻,与产品出厂试验值比较,应无明显差别。Usemegohmmetertomeasureinsulationresistancesbetweenprimarywindingandsecondarywinding、primarywindingandcasing、betweenallsecondarywindingsandbetweensecondarywindingsandcasings,thereshouldnocleardifferencebetweenthemeasurementvaluesandexpe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