ComAp MainsPro - Table of Contents

MainsPro, SW version 1.4, ©ComAp – January 2013
MainsPro Application Guide
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Table of contents
Table of contents ................................................................................................................................. 2
Purpose of this manual ....................................................................................................................... 3
MainsPro typical usage ....................................................................................................................... 3
Typical applications of MainsPro protection relay .......................................................................... 3
Important Steps of MainsPro utilization .............................................................................................. 4
TRIP and Fault Reset description ....................................................................................................... 5
TRIP ................................................................................................................................................ 5
Fault reset ....................................................................................................................................... 5
Protective features .............................................................................................................................. 6
59 Overvoltage, 27 Undervoltage ................................................................................................... 6
Floating 10 minutes average overvoltage ....................................................................................... 6
81H Overfrequency, 81L Underfrequency ...................................................................................... 6
47 Voltage unbalance and angle asymmetry ................................................................................. 6
78 Vector shift ................................................................................................................................. 7
81R Rate Of Change Of Frequency (ROCOF) ............................................................................... 9
Phase rotation, incorrect phase polarity ......................................................................................... 9
Application tips .................................................................................................................................... 9
Automatic return to mains ............................................................................................................... 9
Binary switches application ............................................................................................................. 9
Counters ....................................................................................................................................... 10
Timer ............................................................................................................................................. 10
Start trip ........................................................................................................................................ 10
TEST mode ................................................................................................................................... 11