1MRK 505 351-UEN Section 2
Commissioning
Commissioning Manual 7
Distributed busbar protection REB500
2.2 Commissioning procedure
2.2.1 Overall procedure
The following overall procedure has proven as best practice.
Some items listed might not be applicable depending on the
substation architecture.
Checks prior to energizing on the IED
1. Record the equipment data
2. Visually inspect for transport damage
3. Visually inspect the external wiring and cables
4. Check the grounding of cubicles and other units
5. Check the auxiliary DC battery supply
6. Check the settings
7. Check the CT circuits
Polarity, ratio and wiring
8. Check the VT circuits
Checks after energizing the IED
9. Comparison with the layout of the primary system.
10. Secondary injection tests using the test set
11. Check the binary input signals
12. Check auxiliary contacts on the isolators and circuit-breakers and the
“CLOSE” command
13. Check the control signal and alarm circuits
14. Check the tripping circuits
15. Check the stability factor
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