Disconnect Interlocking - GE D90 Plus Instruction Manual

DISCONNECTS

Disconnect interlocking

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Figure 370: Disconnect control logic, sheet 2 of 3
Figure 371: Disconnect control logic, sheet 3 of 3
The disconnect interlocking element contains the auxiliary logic for interlocking of
disconnects. 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
disconnect 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 > Disconnects > Disconnect Interlocking menu item to
open the disconnect control configuration window.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 8: AUTOMATION