5
1211
1 Contents
5.1.4 Mechanical Reclosing Lockout 82
5.1.5 Max. Permissible Number of Interruptions 82
5.1.6
Recommended Procedure in the Event of Irregularities on the Circuit-Breaker
3AP2 Fl
85
5.2 Disposing of High-Voltage Switching Devices and Systems 87
6 Maintenance 89
6.1 Inspection and Maintenance - General 89
6.1.1 Maintenance Services (Schedule) 89
6.1.2 Assignment of Personnel 90
6.1.3 Maintenance Kits 90
6.1.4 Initial Date for Inspection and Maintenance Service 90
6.1.5 Disturbances 91
6.1.6 Points to be Noted 91
6.2 Safety Rules for Inspection and Maintenance Service - General 92
6.3 Maintenance Schedule 96
6.4 Work to be Carried Out in Accordance with the Maintenance Schedule 98
6.4.1 General Inspection 98
6.4.2 Drawing Off the SF
6
Gas 98
6.4.3 Check of Contact System 99
6.4.4 Evacuating and Filling the Circuit-Breaker with Gas 100
6.4.5 Check Gas Pressure Gauge 103
6.4.6 Testing the Density Monitor 103
6.4.7 Check for Leaks on Operational Circuit- Breaker 104
6.4.8 Checks at Drive Mechanism 105
6.4.9 Terminal Strip 107
6.4.10 Anti-Condensation Heaters 107
6.4.11 Function Checks 107
6.4.12 Check of Motor Control 108
6.4.13 Measuring the SF
6
Gas Humidity Content 108
6.4.14 Measuring the SF
6
Air Content 108
6.4.15 Anti-Corrosion Protection 109
6.4.16 Special Occurrences 109
Commissioning Report for the Circuit-Breaker 3AP 111
Function Diagram of Spring Drive Mechanism 119
1 Contents
To Next Page
Loading...
Need help?
General
