ABB REG650 - Page 12

Negative-sequence time overcurrent protection for machines
NS2PTOC ...................................................................................77
Verifying settings by secondary injection............................... 77
Voltage-restrained time overcurrent protection VRPVOC........... 79
Verifying the settings.............................................................. 79
Completing the test................................................................ 80
Testing voltage protection functions................................................. 80
Two step undervoltage protection UV2PTUV .............................80
Verifying the setting................................................................81
Completing the test................................................................ 82
Two step overvoltage protection OV2PTOV ...............................82
Verification of single-phase voltage and time delay to
operate for Step 1...................................................................82
Completing the test................................................................ 83
Two step residual overvoltage protection ROV2PTOV .............. 84
Verifying the settings.............................................................. 84
Completing the test................................................................ 85
Overexcitation protection OEXPVPH ......................................... 85
Verifying the settings.............................................................. 85
Completing the test................................................................ 85
100% Stator earth fault protection, 3rd harmonic based
STEFPHIZ .................................................................................. 86
Testing....................................................................................86
Verifying settings.................................................................... 87
Completing the test................................................................ 88
Testing frequency protection functions.............................................89
Underfrequency protection SAPTUF .......................................... 89
Verifying the settings.............................................................. 89
Completing the test................................................................ 90
Overfrequency protection SAPTOF ............................................91
Verifying the settings.............................................................. 91
Completing the test................................................................ 92
Rate-of-change frequency protection SAPFRC ..........................93
Verifying the settings.............................................................. 93
Completing the test................................................................ 93
Testing secondary system supervision functions............................. 94
Fuse failure supervision SDDRFUF............................................ 94
Checking that the binary inputs and outputs operate as
expected ................................................................................94
Measuring the operate value for the negative sequence
function ..................................................................................95
Measuring the operate value for the zero-sequence
function ..................................................................................96
Checking the operation of the du/dt and di/dt based function 96
Table of contents
4
Commissioning manual