GE T35 - Page 385

CHAPTER 5: SETTINGS FLEXLOGIC
T35 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 5-183
5
ELEMENT:
Hottest-spot
temperature
XFMR HST-SPOT °C PKP
XFMR HST-SPOT °C OP
XFMR HST-SPOT °C DPO
The hottest-spot temperature element has picked up
The hottest-spot temperature element has operated
The hottest-spot temperature element has dropped out
ELEMENT:
Transformer loss of
life
XFMR LIFE LOST PKP
XFMR LIFE LOST OP
The transformer loss of life element has picked up
The transformer loss of life element has operated
ELEMENT:
Transformer percent
differential
XFMR PCNT DIFF PKP A
XFMR PCNT DIFF PKP B
XFMR PCNT DIFF PKP C
XFMR PCNT DIFF 2ND A
XFMR PCNT DIFF 2ND B
XFMR PCNT DIFF 2ND C
XFMR PCNT DIFF 5TH A
XFMR PCNT DIFF 5TH B
XFMR PCNT DIFF 5TH C
XFMR PCNT DIFF OP
XFMR PCNT DIFF OP A
XFMR PCNT DIFF OP B
XFMR PCNT DIFF OP C
XFMR PCNT DIFF SAT A
XFMR PCNT DIFF SAT B
XFMR PCNT DIFF SAT C
XFMR PCNT DIFF DIR A
XFMR PCNT DIFF DIR B
XFMR PCNT DIFF DIR C
XFMR PCNT DIFF WARN
Transformer percent differential protection has picked up in phase A
Transformer percent differential protection has picked up in phase B
Transformer percent differential protection has picked up in phase C
The 2nd harmonic of transformer percent differential has blocked phase A
The 2nd harmonic of transformer percent differential has blocked phase B
The 2nd harmonic of transformer percent differential has blocked phase C
The 5th harmonic of transformer percent differential has blocked phase A
The 5th harmonic of transformer percent differential has blocked phase B
The 5th harmonic of transformer percent differential has blocked phase C
At least one phase of transformer percent differential has operated
Phase A of transformer percent differential has operated
Phase B of transformer percent differential has operated
Phase C of transformer percent differential has operated
Transformer percent differential SAT flag has triggered on phase A
Transformer percent differential SAT flag has triggered on phase B
Transformer percent differential SAT flag has triggered on phase C
Transformer percent differential DIR flag has triggered on phase A
Transformer percent differential DIR flag has triggered on phase B
Transformer percent differential DIR flag has triggered on phase C
Transformer percent differential current has exceeded 0.5xPKP for 10s
FIXED OPERANDS Off Logic = 0. Does nothing and can be used as a delimiter in an equation list;
used as ‘Disable’ by other features.
On Logic = 1. Can be used as a test setting.
INPUTS/OUTPUTS:
Contact inputs
Cont Ip 1 On
Cont Ip 2 On
↓
Cont Ip 1 Off
Cont Ip 2 Off
↓
Cont Ip 120 On
Cont Ip 120 Off
(does not appear unless ordered)
(does not appear unless ordered)
↓
(does not appear unless ordered)
(does not appear unless ordered)
↓
(does not appear unless ordered)
(does not appear unless ordered)
INPUTS/OUTPUTS:
Contact outputs,
current
(from detector on
form-A output only)
Cont Op 1 IOn
Cont Op 2 IOn
↓
Cont Op 72 IOn
(does not appear unless ordered)
(does not appear unless ordered)
↓
(does not appear unless ordered)
INPUTS/OUTPUTS:
Contact outputs,
voltage
(from detector on
form-A output only)
Cont Op 1 VOn
Cont Op 2 VOn
↓
Cont Op 72 VOn
(does not appear unless ordered)
(does not appear unless ordered)
↓
(does not appear unless ordered)
Cont Op 1 VOff
Cont Op 2 VOff
↓
Cont Op 72 VOff
(does not appear unless ordered)
(does not appear unless ordered)
↓
(does not appear unless ordered)
INPUTS/OUTPUTS:
Direct inputs
DIRECT INPUT 1 On
↓
DIRECT INPUT 32 On
Flag is set, logic=1
↓
Flag is set, logic=1
INPUTS/OUTPUTS:
RxGOOSE DPS
RxG DPS 1 BAD
RxG DPS 1 INTERM
RxG DPS 1 OFF
RxG DPS 1 ON
Asserted while the RxGOOSE double-point status input is in the bad state
Asserted while the RxGOOSE double-point status input is in the intermediate
state
Asserted while the RxGOOSE double-point status input is off
Asserted while the RxGOOSE double-point status input is on
RxG DPS 2 to 5 Same set of operands as per RxG DPS 1
INPUTS/OUTPUTS:
RxGOOSE Booleans
RxG Bool 1 On
RxG Bool 2 On
RxG Bool 3 On
↓
RxG Bool 256 On
Flag is set, logic=1
Flag is set, logic=1
Flag is set, logic=1
↓
Flag is set, logic=1
Operand type Operand syntax Operand description