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Chapter 5
CGCM-DLR Unit Startup
132
Generator Breaker in Test Position
Follow these steps to test synchronization when the generator breaker is in the
test position.
1. Verify the generator main circuit breaker is in a test position that prevents
the breaker from closing when the CGCM-DLR unit issues a close
command.
2. Observe the generator voltage, bus voltage, frequencies, and phase
synchronization by using independent metering equipment.
3. Initiate synchronization in the CGCM-DLR unit.
4. Confirm that the unit reports appropriate error signals and issues a close
command when appropriate as indicated by independent metering
equipment.
Generator Breaker in Normal Position
Follow these steps to test synchronization when the generator breaker is in the
normal position.
1. Place the generator main circuit breaker into the normal position that
enables the breaker to close when the CGCM-DLR unit issues a close
command.
2. Select manual load control for the prime mover.
3. Select Voltage Droop mode.
4. Initiate synchronization.
5. Confirm that the CGCM-DLR unit reports appropriate error signals and
issues a close command when appropriate.
Verify Applicable Automatic Operating Modes
The CGCM-DLR unit has these automatic operating modes:
• Droop (reactive current compensation) Operation
• Cross Current (reactive differential compensation) Operation
• VAR Control
• PF Control
• Real Power Load Sharing Operation
Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
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