GE G30 Instruction Manual page 337

CHAPTER 5: SETTINGS
Operand type Operand syntax
UNDERFREQ 2 to 6
ELEMENT: VOLT PER HERTZ 1 PKP
Volts per hertz VOLT PER HERTZ 1 OP
VOLT PER HERTZ 1 DPO
VOLT PER HERTZ 2
ELEMENT: XFMR AGING FCTR PKP
Transformer aging XFMR AGING FCTR OP
factor XFMR AGING FCTR DPO
ELEMENT: XFMR HST-SPOT °C PKP
Hottest-spot XFMR HST-SPOT °C OP
temperature XFMR HST-SPOT °C DPO
ELEMENT: XFMR LIFE LOST PKP
Transformer loss of XFMR LIFE LOST OP
life
ELEMENT: XFMR PCNT DIFF PKP A
Transformer percent XFMR PCNT DIFF PKP B
differential 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
FIXED OPERANDS Off
On
INPUTS/OUTPUTS: Cont Ip 1 On
Contact inputs Cont Ip 2 On
↓
Cont Ip 1 Off
Cont Ip 2 Off
↓
Cont Ip 96 On
Cont Ip 96 Off
INPUTS/OUTPUTS: Cont Op 1
Contact outputs, Cont Op 2
current ↓
(from detector on Cont Op 64
form-A output only)
INPUTS/OUTPUTS: Cont Op 1 VOn
Contact outputs, Cont Op 2
voltage ↓
(from detector on Cont Op 64
form-A output only)
Cont Op 1
Cont Op 2
↓
Cont Op 64
INPUTS/OUTPUTS: DIRECT INPUT 1 On
Direct inputs ↓
DIRECT INPUT 32 On
G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Operand description
Same set of operands as shown for UNDERFREQ 1
The volts per hertz element 1 has picked up
The volts per hertz element 1 has operated
The volts per hertz element 1 has dropped out
Same set of operands as VOLT PER HERTZ 1
The transformer aging factor element has picked up
The transformer aging factor element has operated
The transformer aging factor element has dropped out
The hottest-spot temperature element has picked up
The hottest-spot temperature element has operated
The hottest-spot temperature element has dropped out
The transformer loss of life element has picked up
The transformer loss of life element has operated
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
Logic = 0. Does nothing and can be used as a delimiter in an equation list;
used as 'Disable' by other features.
Logic = 1. Can be used as a test setting.
(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)
IOn (does not appear unless ordered)
IOn (does not appear unless ordered)
↓
IOn (does not appear unless ordered)
(does not appear unless ordered)
VOn (does not appear unless ordered)
↓
VOn (does not appear unless ordered)
VOff (does not appear unless ordered)
VOff (does not appear unless ordered)
↓
VOff (does not appear unless ordered)
Flag is set, logic=1
↓
Flag is set, logic=1
FLEXLOGIC
5
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