Figure 59: Single Line Diagram, The Circuit Breaker Is Closed And In The Service Position - ABB UniGear Digital Commissioning And Testing Manual

AP PAR ATU S CO NTR O L T E S TI NG
Step 6/7
Move the circuit breaker truck into the service position. Close the circuit breaker. Check the
circuit breaker status on the protection relay LHMI.

Figure 59: Single line diagram, the circuit breaker is closed and in the service position

Step 7/7
Check the impossibility of isolating the circuit breaker from service when it is closed.
1 VLG 500 0 17 C
PA N E L I NT ER N A L I NT ER LO C KI NG
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