ComAp InteliPro - Introduction;Protective Functions

InteliPro, SW version 1.0, ©ComAp – May 2011
InteliPro Application Guide
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Table of contents
Introduction.............................................................................................................................................. 2
Operation mode with 1 common trip output........................................................................................ 3
Operation mode with 2 trip outputs ..................................................................................................... 4
Priority switching ................................................................................................................................. 4
TRIP and Fault Reset description ....................................................................................................... 5
TRIP................................................................................................................................................ 5
Fault reset ....................................................................................................................................... 5
Shared peripheries.............................................................................................................................. 5
Protective functions ................................................................................................................................. 7
The concept......................................................................................................................................... 7
Protective functions in detail ............................................................................................................... 8
Overvoltage, Undervoltage (ANSI 59, 27) ...................................................................................... 8
Overfrequency, Underfrequency (ANSI 81 H, L)............................................................................ 8
Voltage unbalance (ANSI 47) ......................................................................................................... 8
"Loss of mains" protections ............................................................................................................ 8
Vector shift (ANSI 78) ..................................................................................................................... 8
Rate Of Change Of Frequency (df/dt, ROCOF, ANSI 81R) ........................................................... 9
Overcurrent: definite-time, IDMT and with voltage control ........................................................... 10
Neutral overcurrent (ANSI 50N, ANSI 51N) ................................................................................. 11
Current unbalance (ANSI 46) ....................................................................................................... 11
Directional overcurrent (DOC, ANSI 67)....................................................................................... 11
Neutral Voltage Displacement (NVD, ANSI 59N) ......................................................................... 12
Directional power (ANSI 32) ......................................................................................................... 12
Synchro check (ANSI 25) ............................................................................................................. 13
AC reclosing (ANSI 79)................................................................................................................. 13