Commissioning Test Tables; Differential Restraint Tests; Inrush Inhibit Tests - GE T60 Instruction Manual
Transformer protection system ur series
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Also See for T60:
- Instruction manual (796 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (628 pages)
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8 COMMISSIONING
8.6COMMISSIONING TEST TABLES
Table 8–3: DIFFERENTIAL CHARACTERISTIC TEST TABLE
TEST
PHASE
W1 CURRENT
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 8–4: INRUSH INHIBIT TEST TABLE
PHASE
W1
W1 2ND
CURRENT
HARMONIC
(A)
(%)
A
B
C
GE Multilin
INJECTED CURRENT
W2 CURRENT
INJECTED
W2
W2 2ND
CURRENT
HARMONIC
(A)
(%)
T60 Transformer Protection System
8.6 COMMISSIONING TEST TABLES
8.6.1 DIFFERENTIAL RESTRAINT TESTS
DISPLAYED CURRENT
DIFFERENTIAL
RESTRAINT
DISPLAYED
I
(PU)
2ND
d
HARMONIC
(%)
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
8.6.2 INRUSH INHIBIT TESTS
STATUS
(BLOCK/
I
(PU)
OPERATE)
r
8-17
8
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