
Completing the test................................................................49
Breaker failure protection CCRBRF............................................49
Checking the phase current operate value,
Checking the residual (earth fault) current operate value
IN> set below IP>...................................................................50
Checking the re-trip and back-up times..................................51
Verifying the re-trip mode.......................................................51
Verifying the back-up trip mode..............................................52
Verifying the case
RetripMode = Contact...............................53
Current&Contact........................53
Completing the test................................................................54
Pole discordance protection CCRPLD........................................54
Verifying the settings..............................................................54
Completing the test................................................................55
Directional underpower protection GUPPDUP ...........................55
Verifying the settings..............................................................55
Completing the test................................................................57
Directional overpower protection GOPPDOP .............................57
Verifying the settings..............................................................57
Completing the test................................................................58
Testing voltage protection functions.................................................58
Two step undervoltage protection UV2PTUV .............................58
Verifying the setting................................................................58
Completing the test................................................................59
Two step overvoltage protection OV2PTOV ...............................59
Verifying the settings..............................................................59
Completing the test................................................................60
Two step residual overvoltage protection ROV2PTOV ..............60
Overexcitation protection OEXPVPH .........................................60
Testing frequency protection functions.............................................61
Underfrequency protection SAPTUF ..........................................61
Overfrequency protection SAPTOF ............................................63
Verifying the settings..............................................................63
Completing the test................................................................64
Rate-of-change frequency protection SAPFRC ..........................64
Verifying the settings..............................................................64
Completing the test................................................................65
Table of contents
3
Commissioning Manual
Содержание ret650
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