GE G30 Instruction Manual page 378
Generator protection system 7.6x
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- Instruction manual (698 pages) ,
- Communications manual (532 pages) ,
- Communications manual (526 pages)
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SYSTEM SETUP
5
The disconnect switch control element contains the auxiliary logic for status and serves as the interface for opening and
closing of disconnect switches from SCADA or through the front panel interface. The disconnect switch control element
can be used to create interlocking functionality. For greater security in determination of the switch pole position, both the
89/a and 89/b auxiliary contacts are used with reporting of the discrepancy between them. There are eight disconnect
switch control elements for each CT/VT module installed.
To use this element, configure the contact outputs that open and close the disconnect switch to use FlexLogic operands
and
SWITCH 1 OFF CMD
SWITCH 1 FUNCTION
— Assign a user-defined name (up to six characters) to the disconnect switch. This name is used in flash
SWITCH 1 NAME
messages related to disconnect switch 1.
— This setting selects "3-Pole" mode, where disconnect switch poles have a single common auxiliary
SWITCH 1 MODE
switch, or "1-Pole" mode where each disconnect switch pole has its own auxiliary switch.
5-164
SWITCH 1 BLK OPEN:
Off
SWITCH 1 CLOSE:
Off
SWITCH 1 BLK CLOSE:
Off
SWTCH 1 ΦA/3P CLSD:
Off
SWTCH 1 ΦA/3P OPND:
Off
SWITCH 1 ΦB CLOSED:
Off
SWITCH 1 ΦB OPENED:
Off
SWITCH 1 ΦC CLOSED:
Off
SWITCH 1 ΦC OPENED:
Off
SWITCH1 PUSH BUTTON
CONTROL: Disabled
SWITCH 1 TAGGING:
Disabled
SWITCH 1 SUBSTITUTN:
Disabled
SWITCH 1 BYPASS:
Disabled
SWITCH 1 OPEN
SEAL-IN:
SWITCH 1 CLOSE
SEAL-IN:
SWITCH 1 TOPERATE:
70 ms
SWITCH 1 ALARM
DELAY:
SWITCH 1 EVENTS:
Disabled
CMD, and configure the disconnect switch control element's inputs as outlined here.
SWITCH 1 ON
— This setting enables and disables operation of the disconnect switch element.
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: Disabled, Enabled
Range: Disabled, Enabled
Range: Disabled, Enabled
Range: Disabled, Enabled
Range: 0.000 to 65.535 s in steps of 0.001
0.000 s
Range: 0.000 to 65.535 s in steps of 0.001
0.000 s
Range: 0 to 65535 ms in steps of 1
Range: 0.000 to 65.535 s in steps of 0.001
0.000 s
Range: Disabled, Enabled
G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
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