ABB RELION RET670, Руководство по установке и пусконаладке

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Full scheme distance protection, mho characteristic
ZMHPDIS..................................................................................125
Phase-to-phase faults..........................................................125
Phase-to-earth faults............................................................126
Faulty phase identification with load encroachment
FMPSPDIS ...............................................................................127
Power swing detection ZMRPSB ..............................................128
Verifying the settings............................................................129
Testing the power swing detection function ZMRPSB ........130
Testing the
tR1 timer............................................................130
Testing the block input, interaction between FDPSPDIS
or FRPSPDIS and ZMRPSB ...............................................131
Completing the test..............................................................131
Power swing logic ZMRPSL......................................................131
Testing the carrier send and trip signals..............................132
Testing the influence of the residual overcurrent
protection..............................................................................132
Controlling of the underreaching zone.................................133
Completing the test..............................................................133
Phase preference logic PPLPHIZ .............................................133
Completing the test..............................................................134
Current protection...........................................................................135
Instantaneous phase overcurrent protection PHPIOC .............135
Measuring the operate limit of set values.............................135
Completing the test..............................................................135
Four step phase overcurrent protection OC4PTOC .................135
Verifying the settings............................................................135
Completing the test..............................................................137
Instantaneous residual overcurrent protection EFPIOC ...........137
Measuring the operate limit of set values.............................137
Completing the test..............................................................137
Four step residual overcurrent protection EF4PTOC ...............138
Four step directional overcurrent protection.........................138
Four step non-directional overcurrent protection..................138
Completing the test..............................................................139
Sensitive directional residual overcurrent and power
protection SDEPSDE ................................................................139
Measuring the operate and time limit for set values.............139
Completing the test..............................................................145
Thermal overload protection, two time constants TRPTTR ......145
Checking operate and reset values......................................145
Completing the test..............................................................146
Breaker failure protection CCRBRF..........................................146
Checking the phase current operate value,
IP>...................146
Table of contents
5
Installation and commissioning manual