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1、INDEXAbnormalconditionsotherthanshortcircuits,,withdirectionalcomparisonpilot8relaying,392A-ctripping,335withphase-comparisonpilotrelaying,Angle-impedancerelay,79383fortrippingon1088ofsynchronism,Broken-deltaconnection,burdencalculation,362140Angleofmaximumtorque,adjustment,,ford
2、etectinggroundsinungrounded57systems,,320ofpowerrelays,52,55forpolarizingdirectionalgroundrelays,ofshortcircuitrelays,55151Arcs,effectondistancerelays,345resistance,ofcapacitancepotentialdevices,302135,140Arc-furnace-transformerprotection,Buchholzrelay,281270Burden,current-transf
3、ormer,114potentialASAaccuracyclassification,,ofcurrenttransformer,133transformers,,121Busprotection,automaticreclosing,292byofpotentialtransformers,133back-uprelays,275,291Attenuation,carrier-current,378circuitbreakerby-psasing,292Automaticreclosing,seeReclosing,combinedpowertran
4、sformerandbus,287automaticcurrentdifferentialwithovercurrentrelays,Auxiliaries,,station,protectionof,229278currentdifferentialwithovervoltageseealsoMotorprotectionrelays,288currentdifferentialwithBack-uprelaying,defined,6percentagerelays,284directionaleffectofintermediatecurrents
5、ources,comparison,277faultbus,,275grounding347secondariesofdifferentiallyconnectedCTÕs,forbusprotection,275,291291partial-differential,282ring-bus,,290generatorexternalfault,227testing,292voltagedifferentialwithlinearreversedthirdzone,175,349cou,284transformerexternalfault,264,26
6、8withpilotrelaying,378,386Bushingpotentialdevice,seeCapacitanceBlindspotinpilotrelaying,94potentialdeviceBlinderwithdirectional-comparisonrelaying,386,390Capacitancepotentialdevice,brokenburden,Blockingpilot,88,91140comparisonwithinstrumentPTÕs,144Blockingterminal,witha-cwire-pil
7、otrelaying,couplingcapacitorinsulationcoordination,375142effectofoverloading,138INDEX1Capacitancepotentialdevice,equivalentCurrent-balancerelay,directionaltype,62forcircuit,135non-linearburdens,139standardlineprotection,330overcurrenttype,58accuracy,137standardratedburdens,136Cur
8、rentbiasing,formhorelay,82foroffsetCapac