Measurements and Recording P54x/EN MR/La4
MiCOM P543, P544, P545 & P546
(MR) 8-1
MR
CONTENTS
(MR) 8-
1. MEASUREMENTS AND RECORDING 3
1.1 Introduction 3
1.2 Event & fault records 3
1.2.1 Types of event 4
1.2.1.1 Change of state of opto-isolated inputs 4
1.2.1.2 Change of state of one or more output relay contacts 4
1.2.1.3 Relay alarm conditions 4
1.2.1.4 Protection element starts and trips 5
1.2.1.5 General events 5
1.2.1.6 Fault records 5
1.2.1.7 Maintenance reports 5
1.2.1.8 Setting changes 6
1.2.2 Resetting of event/fault records 6
1.2.3 Viewing event records via MiCOM S1 Studio support software 6
1.2.4 Event filtering 7
1.3 Disturbance recorder 8
1.4 Measurements 10
1.4.1 Measured voltages and currents 11
1.4.2 Sequence voltages and currents 11
1.4.3 Slip frequency 11
1.4.4 Power and energy quantities 11
1.4.5 Rms. voltages and currents 12
1.4.6 Demand values 12
1.4.7 Settings 12
1.4.8 Measurement display quantities 13