GE Multilin T60 Transformer Protection System 5-177
5 SETTINGS 5.6 GROUPED ELEMENTS
5
The relay produces three FlexLogic™ operands that may be used for testing or for special applications such as building
custom logic (1-out-of-3) or supervising some protection functions (ground time overcurrent, for example) from the 2nd har-
monic inhibit.
Figure 5–90: PERCENT DIFFERENTIAL SCHEME LOGIC
SETTING
SETTINGS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERAND
SETTING
SETTING
SETTING
SETTING
SETTING
ACTUAL VALUES
ACTUAL VALUES
ACTUAL VALUES
ACTUAL VALUES
PERCENT DIFFERENTIAL
FUNCTION:
PERCENT DIFFERENTIAL
SLOPE 2:
PERCENT DIFFERENTIAL
BREAK 1:
PERCENT DIFFERENTIAL
BREAK 2:
PERCENT DIFFERENTIAL
SLOPE 1:
PERCENT DIFFERENTIAL
PICKUP:
XFMR PCNT DIFF OP A
XFMR PCNT DIFF PKP A
XFMR PCNT DIFF PKP B
XFMR PCNT DIFF PKP C
XFMR PCNT DIFF 2ND A
XFMR PCNT DIFF 5TH A
XFMR PCNT DIFF 2ND B
XFMR PCNT DIFF 5TH B
XFMR PCNT DIFF 2ND C
XFMR PCNT DIFF 5TH C
XFMR PCNT DIFF OP
XFMR PCNT DIFF OP B
XFMR PCNT DIFF OP C
INRUSH INHIBIT
FUNCTION:
INRUSH INHIBIT MODE:
OVEREXC ITN INHIBIT
LEVEL:
OVEREXC ITN INHIBIT
FUNCTION:
PERCENT DIFF BLOCK:
Disabled = 0
Disabled
Disabled = 0
Off = 0
Enabled = 1
5th = 1
DIFF PHASOR
REST PHASOR
DIFF 2ND HARM
DIFF 5TH HARM
Iad
Iar
Iad2
Iad5
Ibd
Ibr
Ibd2
Ibd5
Icd
Icr
Icd2
Icd5
RUN
RUN
RUN
RUN
RUN
RUN
RUN
RUN
RUN
Iad
Ibd
Icd
Iad2 LEVEL
Iad5 LEVEL
Ibd2 LEVEL
Ibd5 LEVEL
Icd2 LEVEL
Icd5 LEVEL
Iar
Ibr
Icr
828001A6.CDR
OR
AND
AND
AND
AND
AND
AND
>
>
>
>
>
>
Adapt. 2nd
Trad. 2nd
= 0
= 1
INRUSH INHIBIT LEVEL:
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