Areva MiCOM P921 - Page 353

Technical Guide P92x/EN RS/E11
Test Report
MiCOM P921-P922-P923 Page 1/22
CONTENTS
1. COMMISSIONING TEST RECORD 3
2. PRODUCT CHECKS 4
2.1 Relay de-energised 4
2.2 Relay energised 5
3. SETTING CHECKS 7
4. ON-LOAD CHECKS 8
5. RELAY SETTINGS INFORMATION 9
6. INPUT/OUTPUT AND LED CONFIGURATION 11
6.1 Configuration of logic inputs 11
6.2 Timer delays used in logic equations 11
6.3 Configuration of LEDS, output relays and associated control systems, and
logic equations 13
7. PROTECTION ELEMENT SETTINGS 17
7.1 Setting group used (P922-P923) 17
7.2 “Phase undervoltage protection” function 17
7.3 “Phase overvoltage protection” function 18
7.4 “Residual (zero sequence) overvoltage protection” function 18
7.5 “Negative sequence overvoltage protection” function (P922-P923) 19
7.6 “Positive sequence undervoltage protection” function (P922-P923) 19
7.7 “Under/overfrequency protection” function (P922-P923) 20
7.8 “Rate of change of frequency” function (P923) 20
8. CHECKS AND SUPERVISION 21
9. DISTURBANCE RECORDS AND MEASUREMENTS 21
10. COMMUNICATIONS 22