GE D90 Plus - Breaker Interlocking

434 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
BREAKERS CHAPTER 8: AUTOMATION
Figure 362: Breaker control logic, sheet 2 of 3
Figure 363: Breaker control logic, sheet 3 of 3
Breaker interlocking
The breaker interlocking element contains the auxiliary logic for interlocking of circuit
breakers. Up to three inputs can be assigned for interlocking the open and close controls.
An input is also available for supervision by a synchrocheck element. The breaker can also
be tagged through the front panel interface or through SCADA. Opening and closing of a
tagged device is inhibited in logic.
Select the Settings > Automation > Breaker > Breaker Interlocking menu to open the
breaker interlocking configuration window.
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