ComAp MainsPro - Introduction

Mains pro 1.6.1 Global Guide
3
4.1.6 Factory default 22
4.2 Mechanical sealing 22
4.3 Signalization LEDs 22
4.4 Measurement screens 24
4.5 Alarm messages 26
5 Introduction of Application Guide 28
5.1 Purpose of this manual 28
5.2 MainsPro typical usage 28
5.3 Typical applications of MainsPro protection relay 28
6 Important Steps of MainsPro utilization 30
7 TRIP and Fault Reset 31
7.1 TRIP 31
7.1.1 TRIP event 31
7.1.2 TRIP status 31
7.2 Fault reset 32
8 Protective features 33
8.1 ANSI 59 Overvoltage, ANSI 27 Undervoltage 33
8.2 Floating 10 minutes average overvoltage 34
8.3 ANSI 81H Overfrequency, 81L Underfrequency 34
8.4 ANSI 47 Voltage unbalance and angle asymmetry 36
8.4.1 Voltage unbalance 36
8.4.2 Positive sequence undervoltage, Negative sequence overvoltage 36
8.5 ANSI 78 Vector shift 37
8.5.1 Measuring principle 38
8.6 81R Rate Of Change Of Frequency (ROCOF) 39
8.7 Phase rotation, incorrect phase polarity 39
9 Application tips 40
9.1 Automatic return to mains 40
9.2 Binary switches 40
9.2.1 External trip 41
9.2.2 Fault reset 41
9.2.3 Alternative settings 41
9.2.4 Disable 41
9.2.5 CB Feedback 41
9.3 Counters 41
9.4 Timer 42