2-24
T60 Transformer Protection System
GE Multilin
2.4 SPECIFICATIONS
2 PRODUCT DESCRIPTION
2
PHASE DIRECTIONAL OVERCURRENT
Relay connection:
90
°
(quadrature)
Quadrature voltage:
ABC phase seq.: phase A (V
BC
), phase
B (V
CA
), phase C (V
AB
); ACB phase
seq.: phase A (V
CB
), phase B (V
AC
),
phase C (V
BA
)
Polarizing voltage threshold: 0.000 to 3.000 pu in steps of 0.001
Current sensitivity threshold: 0.05 pu
Characteristic angle:
0 to 359
°
in steps of 1
Angle accuracy:
±2°
Operation time (FlexLogic operands):
Tripping (reverse load, forward fault):
<
12 ms, typically
Blocking (forward load, reverse fault):
<
8 ms, typically
NEUTRAL DIRECTIONAL OVERCURRENT
Directionality:
Co-existing forward and reverse
Polarizing:
Voltage, Current, Dual, Dual-V, Dual-I
Polarizing voltage:
V_0 or VX
Polarizing current:
IG
Operating current:
I_0
Level sensing:
3
×
(|I_0| –
K
×
|I_1|), IG
Independent for forward and reverse
Restraint,
K
:
0.000 to 0.500 in steps of 0.001
Characteristic angle:
–90 to 90° in steps of 1
Limit angle:
40 to 90° in steps of 1, independent for
forward and reverse
Angle accuracy:
±2°
Offset impedance:
0.00 to 250.00
Ω
in steps of 0.01
Pickup level:
0.002 to 30.000 pu in steps of 0.01
Dropout level:
97 to 98%
Operation time:
<16 ms at 3
×
pickup at 60 Hz
PHASE UNDERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
102 to 103% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Curve shapes:
GE IAV Inverse;
Definite Time (0.1s base curve)
Curve multiplier:
Time dial = 0.00 to 600.00 in steps of
0.01
Curve timing accuracy
at <0.90 x pickup:
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
Operate time:
<30 ms at 0.9 pickup at 60 Hz for Defi-
nite Time mode
AUXILIARY UNDERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
102 to 103% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Curve shapes:
GE IAV Inverse, Definite Time
Curve multiplier:
Time Dial = 0 to 600.00 in steps of 0.01
Curve timing accuracy
at <0.90 x pickup:
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
Operate time:
<30 ms at 0.9 pickup at 60 Hz for Defi-
nite Time mode
PHASE OVERVOLTAGE
Voltage:
Phasor only
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0.00 to 600.00 in steps of 0.01 s
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
NEUTRAL OVERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0.00 to 600.00 s in steps of 0.01 (definite
time) or user-defined curve
Reset delay:
0.00 to 600.00 s in steps of 0.01
Curve timing accuracy
at >1.1 x pickup:
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
AUXILIARY OVERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0 to 600.00 s in steps of 0.01
Reset delay:
0 to 600.00 s in steps of 0.01
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
VOLTS PER HERTZ
Voltage:
Phasor only
Pickup level:
0.80 to 4.00 in steps of 0.01 pu V/Hz
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.02 pu
Pickup delay:
0 to 600.00 s in steps of 0.01
Timing curves:
Definite Time; Inverse A, B, and C,
FlexCurves™ A, B, C, and D
TD Multiplier:
0.05 to 600.00 s in steps of 0.01
Reset delay:
0.0 to 1000.0 s in steps of 0.1
Timer accuracy:
±3% of operate time or ±15 cycles
(whichever is greater) for values greater
than 1.1 × pickup
Содержание T60
Страница 6: ...vi T60 Transformer Protection System GE Multilin TABLE OF CONTENTS ...
Страница 14: ...xiv T60 Transformer Protection System GE Multilin TABLE OF CONTENTS ...
Страница 34: ...1 20 T60 Transformer Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 118: ...3 48 T60 Transformer Protection System GE Multilin 3 3 DIRECT INPUT OUTPUT COMMUNICATIONS 3 HARDWARE 3 ...
Страница 146: ...4 28 T60 Transformer Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 490: ...5 344 T60 Transformer Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 522: ...6 32 T60 Transformer Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 536: ...7 14 T60 Transformer Protection System GE Multilin 7 1 COMMANDS 7 COMMANDS AND TARGETS 7 ...
Страница 538: ...8 2 T60 Transformer Protection System GE Multilin 8 1 DIRECTIONAL PRINCIPLE 8 THEORY OF OPERATION 8 ...
Страница 568: ...10 12 T60 Transformer Protection System GE Multilin 10 6 DISPOSAL 10 MAINTENANCE 10 ...
Страница 596: ...A 28 T60 Transformer Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 716: ...B 120 T60 Transformer Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 762: ...E 10 T60 Transformer Protection System GE Multilin E 1 IEC 60870 5 104 PROTOCOL APPENDIX E E ...
Страница 774: ...F 12 T60 Transformer Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Страница 785: ...GE Multilin T60 Transformer Protection System H 9 APPENDIX H H 2 ABBREVIATIONS H Z Impedance Zone ...