Injection Test Setup #3 - GE 489 Instruction Manual

7 TESTING
f) TEST RESULTS
TEST
Minimum Pickup
TEST
Single Infeed Fault
TEST
Slope 1 I
x
I
y
Operation
(OK/not OK)
Slope 2 I
x
I
y
Operation
(OK/not OK)
Directional I
x
Check
I
y
Operation
(OK/not OK)
Setup the 489 device as follows for the Voltage Restrained Overcurrent test.
V C
V A
V V V V
V B
A
E10 F10
GROUND INPUTS
GE Multilin
PHASE A
CALCULATED MEASURED
PHASE A
CT 5 × CT
PHASE A
OPERATE RESTRAIN
N/A
N/A
N/A
3 PHASE VARIABLE AC TEST SET
B C N
G9 H9 G10 H10 G3 H3 G4 H4 G5
PHASE a PHASE b PHASE c
NEUTRAL END CT's
Figure 7–3: SECONDARY INJECTION TEST SETUP #3
489 Generator Management Relay
7.3 ADDITIONAL FUNCTIONAL TESTS
PHASE B
CALCULATED MEASURED
PHASE B
CT 5 × CT
PHASE B
OPERATE RESTRAIN
N/A
N/A
N/A

7.3.9 INJECTION TEST SETUP #3

I I
A B
H5 G6 H6 G7 H7
AUTOMATIC CT
SHORTING
BAR
PHASE A PHASE B PHASE C
OUTPUT CT's
PHASE C
CALCULATED MEASURED
PHASE C
CT 5 × CT
PHASE C
OPERATE RESTRAIN
N/A
N/A
N/A
I I
C N
G8 H8 G2 H1 H2 G1
PHASE
VOLTAGE INPUTS
808822A2.CDR
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