Areva MiCOM P921 - 1. General Considerations

Technical Guide P92x/EN GS/E11
Getting Started
MiCOM P921-P922-P923 Page 1/18
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CONTENT
1. GENERAL CONSIDERATIONS 3
1.1 Receipt of relays 3
1.2 Electrostatic discharge (ESD) 3
2. HANDLING OF ELECTRONIC EQUIPMENT 3
3. RELAY MOUNTING 4
4. UNPACKING 4
5. STORAGE 4
6. INTRODUCTION TO THE MiCOM P921-P922-P923 RELAYS 5
7. RELAY FRONT DESCRIPTION 6
7.1 Front view 6
8. RELAY REAR DESCRIPTION 8
9. PRODUCT IDENTIFICATION 9
10. ENERGISING THE RELAY 10
10.1 System connections 10
10.2 Power supply connections 10
11. ACCESS TO THE MENU 11
11.1 Password protection 11
11.1.1 Password entry 11
11.2 System Frequency 11
11.3 VT Ratios 12
11.4 Connection mode 12
12. QUICK MEASUREMENT CHECK 13
12.1 Voltage 13
13. PC CONNECTION – LOCAL COMMUNICATIONS 14
13.1 Configuration of the connection 14
13.2 Configuration of the relay and of the laptop 14
14. CONNECTION DIAGRAMS 15
15. COMPANY CONTACT INFORMATION 16