电气试验常规要求.doc

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1、7.2、电气实验ElectricTest1.电气实验常规要求GeneralRequirements1)电气预防性的实验严格按规范、产品说明书要求执行。Electricpreventivetestshallbecarriedoutinaccordancewithcriterionandproductspecificationstrictly.b5E2RGbCAP2)组合式微机保护及监控继电器按产品说明书进行整定。Adjustcombinedmicro-computerprotectionandmonitori

2、ngrelayp1EanqFDPw3)常规的电磁式继电器调试按《新编保护继电器检验》中有关规定进行调试。ThenormalelectromagneticrelaycommissioningshallcomplywiththestipulationsofNewProtectionRelayTest.DXDiTa9E3d4)盘(柜>指示电表经校验后，对合格的电表粘贴专用合格证。Aftercalibrationofthepanel(cabinet>indicativeammeter,pastespecialqua

3、litycertificateonthequalifiedammeter.RTCrpUDGiT5)高压开关柜的传动实验在各电气元件及单体柜调试后进行。传动实验时，认真核对各回路的准确及可靠性。主要传动实验工程：5PCzVD7HxAHighpressureswitchboardtransmissiontestshallbecarriedoutafterelectricalelementandindividualcabinetcommissioning.Checktheloopsaccuracyandliabi

4、lityduringtransmissiontest.Themaintransmissionproject：jLBHrnAILgl操作控制回路传动实验；lOperationControlLoopTransmissionTestl保护回路传动实验；lLoopProtectionTransmissionTestl测量/计量回路实验；lMeasure/RecordingLoopTestl系统低电压、断线保护实验；lSystemLowPressure,Cablebreakprotectiontestl核对一、二次相

5、位；lCheck1stand2ndphase12/121.变压器实验TransformerTest1)测量绕组连同套管的直流电阻，测量应在各分接头所有位置上进行；MeasurewindingandsleeveDCresistanceofalltheconnectionjoints.xHAQX74J0X2)对1600kVA及以下三相变压器，各相测得值的相互差值应小于平均值的4%，线间测得值的相互差值应小于平均值的2%；1600kVA以上的三相变压器，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

6、应小于平均值的1%；1600kVA以上的三相变压器，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%；(重复>三相电阻不平衡率计算LDAYtRyKfEThreePhaseTransformerof1600Kvaandtheless,themeasuredvalue’sdifferenceshallbe4%lessthantheaverage,internallinesmeasuredvalueshallbe2%lessthantheaverage.ThreePhaseTrans

7、formerofabove1600kVA,themeasuredvalue’sdifferenceshallbe2%lessthantheaverage,internallinesmeasuredvalueshallbe1%lessthantheaverage,ThreePhaseresistanceUnbalanceRatecalculationformula:Zzz6ZB2LtkMeasuredMax-MinUnbalancedRate=100%Average3)直阻测量方法：DCResistanceM

8、easureMethod用感性负载速测欧姆计测量绕组直流电阻时，其接线及测量方法应符合测试仪器的技术要求。WhenmeasuringwindingDCresistancebysensibilityloadohmmeter,theconnectionandthemeasuremethodshallcomplywithequipmenttechnicalrequirements.dvzfvkwMI14)变压器的直流电