Commissioning Test Tables; Differential Restraint Tests; Inrush Inhibit Tests - GE t60 Instruction Manual
Ur series transformer protection system
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Also See for t60:
- Instruction manual (796 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (698 pages)
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9.6 COMMISSIONING TEST TABLES
9.6COMMISSIONING TEST TABLES
Table 9–3: DIFFERENTIAL CHARACTERISTIC TEST TABLE
TEST
PHASE
Balanced
A
Condition
B
C
Min Pickup
A
B
C
Min Pickup
A
B
C
Slope 1
A
B
C
Slope 1
A
B
C
Intermediate
A
Slope 1 & 2
B
C
Intermediate
A
Slope 1 & 2
B
C
Slope 2
A
B
C
Slope 2
A
B
C
Table 9–4: INRUSH INHIBIT TEST TABLE
9
PHASE
W1
CURRENT
(A)
A
B
C
9-16
INJECTED CURRENT
W1 CURRENT
W2 CURRENT
INECTED
W1 2ND
W2
W2 2ND
HARMONIC
CURRENT
HARMONIC
(%)
(A)
T60 Transformer Protection System
9.6.1 DIFFERENTIAL RESTRAINT TESTS
DISPLAYED CURRENT
DIFFERENTIAL
RESTRAINT
DISPLAYED
I
(PU)
2ND
d
HARMONIC
(%)
(%)
9 COMMISSIONING
STATUS
Not Applicable
Status: ____________
I
= _______________
d
Status: ____________
I
= _______________
d
Status: ____________
I
I
/
= _____________
d
r
Status: ____________
I
I
/
= _____________
d
r
Status: ____________
I
I
/
= _____________
d
r
Status: ____________
I
I
/
= _____________
d
r
Status: ____________
I
I
/
= _____________
d
r
Status: ____________
I
I
/
= _____________
d
r
9.6.2 INRUSH INHIBIT TESTS
STATUS
(BLOCK/
I
(PU)
OPERATE)
r
GE Multilin
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