39、时限 definite time定时反时限 definite inverse time变时限 dependent time死区 dead zone保护范围 protection range动作 action动作时间 action time, actuating time动作范围 action range延时 delay切换 switchover瞬时动作 instantaneous action复位 reset直流操作 D.C operation交流操作 A.C operation操作电压 control...
定时限definitetime 定时反时限definiteinversetime 变时限dependenttime 死区deadzone 保护范围protectionrange 动作action 动作时间actiontime,actuatingtime 动作范围actionrange 延时delay 切换switchover 瞬时动作instantaneousaction 复位reset 直流操作operation 交流操作operation 操作电压controlvoltage 合闸switchon 跳闸tripoff ...
time lag 反时限 inverse time 定时限 definite time 定时反时限 definite inverse time 变时限 dependent time 死区 dead zone 保护范围 protection range 动作 action 动作时间 action time, actuating time 动作范围 action range 延时 delay 切换 switchover 瞬时动作 instantaneous action 复位 reset 直流操作 D.C...
(Range) Unit Step Default Description Operation Off - - Off Operation Off / On On OperationStep1 Off - - On Enable execution of step 1 On Characterist1 Definite time - - Definite time Selection of time delay curve type for Inverse curve A step 1 Inverse curve B OpMode1 1 out of 3 ...
<EnumVal ord="14">IEC Long-Time Inverse</EnumVal> <EnumVal ord="15">IEC Definite Time</EnumVal> <EnumVal ord="16">reserved</EnumVal> <EnumVal ord="17">Definable curve 1 based on formula [x=f(y,A,B,C,D, E, F)]</EnumVal> </EnumType> <EnumType id="SwTyp_Enum"...
Directionalovercurrentdefinitetime67DIROCDT|PTOC-XX Protection Directionalovercurrentinversetime67DIROCINYVPTOC一其六 protection Definitetimeoverandundervoltage59/27OVDTPTOV-XX Protection Synchrocheck25SYNCRSYN--X Autoreclosure79ARRREC一一共 Direct.sensitiveearthfaultprotectionfor67NDIREFGND|PTOC-XX ...
In this scheme, the main relay will use definite time overcurrent element and the feeder relay will use time overcurrent element. The main relay selectively is allowed to trip or block depending on location of faults as identified from feeder relays. Main-Tie-Main bus transfer is a common ...
arealwaysdefinitetimedelayed. forcedageing.Asaconsequenceofthistheriskof AllIECandANSIinversetimecharacteristicsareinternalphase-to-phaseorphase-to-earthfaultswill available.increase.Hightemperaturewilldegradethequalityof thetransformerVygeneratorinsulation- ABB TransformerprotectionRET6501MRK504137-BENC Version1.3IEC...
low-set I> setting value, the overcurrent low-set element starts and delivers a start signal to the display panel and a group of preassigned relay outputs. After a delay time, determined by the inverse time current characteristic curve selected and the measured current or by definite time t...
Development of a Directional Definite-Time Overcurrent and Earth Fault Protection based on COTS Components Lastly, the testphase is based on a functional performance test, a type test according to IEC 60255-151,a longterm test and an evaluation of the EMC performance of the used I/O modules....