Hitachi RED670 Commissioning Manual page 12

Table of contents
11.5.8.7
11.5.8.8
11.5.8.9
11.5.8.10
11.5.8.11
11.5.8.12
11.5.8.13
11.5.8.14
11.5.8.15
11.5.9 Stub protection STBPTOC.............................................................................................. 169
11.5.9.1
11.5.9.2
11.5.9.3
11.5.10 Overcurrent protection with binary release BRPTOC......................................................170
11.5.10.1
11.5.10.2
11.5.10.3
11.5.11 Pole discordance protection CCPDSC............................................................................171
11.5.11.1
11.5.11.2
11.5.12 Directional underpower protection GUPPDUP ...............................................................172
11.5.12.1
11.5.12.2
11.5.13 Directional overpower protection GOPPDOP .................................................................173
11.5.13.1
11.5.13.2
11.5.14 Broken conductor check BRCPTOC .............................................................................. 174
11.5.14.1
11.5.14.2
11.5.14.3
11.5.15 Voltage-restrained time overcurrent protection VRPVOC............................................... 175
11.5.15.1
11.5.15.2
11.5.15.3
11.5.16 Average Power Transient Earth Fault Protection, APPTEF............................................ 178
11.5.16.1
11.5.16.2
11.6 Voltage protection..............................................................................................................182
11.6.1 Two step undervoltage protection UV2PTUV .................................................................182
11.6.1.1
11.6.1.2
11.6.2 Two step overvoltage protection OV2PTOV ...................................................................183
11.6.2.1
11.6.2.2
11.6.2.3
11.6.3 Two step residual overvoltage protection ROV2PTOV .................................................. 184
6
Verifying instantaneous back-up trip at CB faulty condition....................................... 166
Verifying the case FunctionMode = CB Pos...............................................................167
Verifying the case RetripMode = Contact...................................................................167
Verifying the caseFunctionMode = Current or CB Pos...............................................167
Verifying the external start signal has timed out.........................................................168
Verifying that backup signal is released when STALARM is reset............................. 168
Test of FollowStart&Mode behaviour......................................................................... 168
Test of FollowStart behaviour.....................................................................................169
Completing the test.................................................................................................... 169
Function revision history............................................................................................ 169
Measuring the operate limit of set values...................................................................169
Completing the test.................................................................................................... 170
Function revision history............................................................................................ 170
Measuring the operate limit of set values...................................................................170
Completing the test.................................................................................................... 171
Verifying the settings.................................................................................................. 171
Completing the test.................................................................................................... 172
Verifying the settings.................................................................................................. 172
Completing the test.................................................................................................... 173
Verifying the settings.................................................................................................. 173
Completing the test.................................................................................................... 174
Function revision history............................................................................................ 174
Measuring the operate and time limit of set values....................................................174
Completing the test.................................................................................................... 175
Function revision history............................................................................................ 175
Verifying the settings.................................................................................................. 175
Completing the test.................................................................................................... 178
Verifying the signals and settings...............................................................................178
Completing the test.................................................................................................... 181
Verifying the settings.................................................................................................. 182
Completing the test.................................................................................................... 183
Verifying the settings.................................................................................................. 183
Extended testing........................................................................................................ 183
Completing the test.................................................................................................... 184
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1MRK 505 378-UEN Rev. K
Line differential protection RED670
Commissioning manual