Breaker Interlocking - GE D90 Plus Instruction Manual

BREAKERS

Breaker interlocking

378
Figure 298: Breaker control logic, sheet 2 of 3
Figure 299: Breaker control logic, sheet 3 of 3
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 may 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 item to open
the breaker interlocking configuration window.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 8: AUTOMATION