- Tighten all electrical connections in breaker.
- Complete cleaning of breaker.
- Lubrication of breaker.
- Inspection of mechanical parts on breaker.
- Inspection of arcing contacts.
- Inspection of main contacts.
- Measured micro-ohms on the main contacts.
- Inspect the coupling coil, gear motor, auxiliary contacts and signal contacts.
- Visually check of current transformers.
- Complete primary test of measured transformers, measured wire connections.
- Protection Relay functions ( trip times and injection test).
- Test Report on each breaker.
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- Tighten all electrical connections in breaker.
- Complete cleaning of breaker.
- Lubrication of breaker.
- Inspection of mechanical parts on breaker.
- Inspection of arcing contacts.
- Inspection of main contacts.
- Measured micro-ohms on the main contacts.
- Inspect the coupling coil, gear motor, auxiliary contacts and signal contacts.
- Test Report on each breaker.
|
- Complete cleaning of breaker.
- Lubrication of breaker.
- Inspection of arcing contacts.
- Inspection of main contacts.
- Measured micro-ohms on the main contacts.
- Test Report on each breaker.
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