ABB rec670 Commissioning Manual

Measuring the operate and time limit for set values...............92
Completing the test................................................................ 97
Thermal overload protection, one time constant, Celsius/
Fahrenheit LCPTTR/LFPTTR......................................................97
Measuring the operate and time limit of set values................ 97
Completing the test................................................................ 98
Thermal overload protection, two time constants TRPTTR ........98
Checking operate and reset values........................................98
Completing the test................................................................ 99
Breaker failure protection, phase segregated activation and
output CCRBRF...........................................................................99
Checking the phase current operate value, IP> ..................... 99
Checking the residual (earth fault) current operate value
IN> set below IP> ................................................................. 100
Checking the re-trip and back-up times................................100
Verifying the re-trip mode..................................................... 100
Verifying the back-up trip mode............................................101
Verifying instantaneous back-up trip at CB faulty condition. 102
Verifying the case RetripMode = Contact .............................102
Verifying the function mode Current&Contact ...................... 103
Completing the test.............................................................. 104
Stub protection STBPTOC........................................................ 104
Measuring the operate limit of set values.............................104
Completing the test.............................................................. 105
Pole discordance protection CCPDSC...................................... 105
Verifying the settings............................................................ 105
Completing the test.............................................................. 106
Directional underpower protection GUPPDUP ......................... 106
Verifying the settings............................................................ 106
Completing the test.............................................................. 108
Directional overpower protection GOPPDOP ...........................108
Verifying the settings............................................................ 108
Completing the test.............................................................. 109
Broken conductor check BRCPTOC ........................................ 109
Measuring the operate and time limit of set values.............. 109
Completing the test.............................................................. 109
Capacitor bank protection CBPGAPC....................................... 109
Verifying the settings and operation of the function............. 110
Completing the test.............................................................. 114
Voltage-restrained time overcurrent protection VRPVOC......... 114
Verifying the settings............................................................ 114
Completing the test.............................................................. 118
Voltage protection...........................................................................118
Two step undervoltage protection UV2PTUV ...........................118
Table of contents
4 Bay control REC670 2.1 IEC
Commissioning manual

ABB rec670 Specifications

General

Brand	ABB
Model	rec670
Category	Control Unit
Language	English