DEMA CPM 310 G, User Manual

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Commissioning
Use the procedure below to commission a CPM 310 G after the mounting, cabling and setting actions
are taken. Some of the CPM 310 G relevant steps are examined thoroughly through this manual, as
stated with page numbers on diagram below. Other actions (auxiliary supply and CB tests)
recommended below are out of this manual’s range, take professional help for these steps. Use
appropriate devices during the tests to build and provide a healthy protection system! □
Check the Phase Rotation
Use the measurement menus of CPM 310 G to make sure the phase rotation is correct - take
corrective actions if necessary.
Commission the System
Use the "Function Test" Utility
Use the "Function Test" utility via the relay menus to check and make sure that the protection
functions and the electrical circuits are operating correctly.
Check the Circuit Breaker
Do the CB primary circuit tests, check the coils and the cabling, do the local and remote control tests.
Check the Current Transformers and Secondary Terminals
Test the secondary reconnection polarity, cabling and secondary short circuiting of the CTs.
Check the Auxiliary Supply
Check the auxiliary supply cabling, the auxiliary power supply and the accumulators, if applicable.