2-16
T60 Transformer Protection System
GE Multilin
2.2 SPECIFICATIONS
2 PRODUCT DESCRIPTION
2
CURRENT HARMONICS
Harmonics:
2nd to 25th harmonic: per phase, dis-
played as a % of f
1
(
fundamental fre-
quency phasor)
THD: per phase, displayed as a % of f
1
Accuracy:
HARMONICS:
1. f
1
> 0.4pu: (0.20% + 0.035% / harmonic) of
reading or 0.15% of 100%, whichever is
greater
2. f
1
< 0.4pu: as above plus %error of f
1
THD:
1. f
1
> 0.4pu: (0.25% + 0.035% / harmonic) of
reading or 0.20% of 100%, whichever is
greater
2. f
1
< 0.4pu: as above plus %error of f
1
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
±0.01 Hz (when voltage signal is used
for frequency measurement)
I = 0.1 to 0.25 pu:
±0.05 Hz
I > 0.25 pu:
±0.02 Hz (when current signal is used for
frequency measurement)
DEMAND
Measurements:
Phases A, B, and C present and maxi-
mum measured currents
3-Phase Power (P, Q, and S) present
and maximum measured currents
Accuracy:
±2.0%
2.2.5 INPUTS
AC CURRENT
CT rated primary:
1 to 50000 A
CT rated secondary:
1 A or 5 A by connection
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.2 VA at rated secondary
Conversion range:
Standard CT:
0.02 to 46
×
CT rating RMS symmetrical
Sensitive Ground CT module:
0.002 to 4.6
×
CT rating RMS symmetrical
Current withstand:
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom
URs equipped with 24 CT inputs have a
maximum operating temperature of 50°C
Short circuit rating:
150000 RMS symmetrical amperes, 250
V maximum (primary current to external
CT)
AC VOLTAGE
VT rated secondary:
50.0 to 240.0 V
VT ratio:
1.00 to 24000.00
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.25 VA at 120 V
Conversion range:
1 to 275 V
Voltage withstand:
continuous at 260 V to neutral
1 min./hr at 420 V to neutral
CONTACT INPUTS
Dry contacts:
1000
Ω
maximum
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return: 4
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:4 mA (when energized)
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
1000
Ω
maximum
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return: 2
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:4 mA (when energized)
Auto-burnish impulse current: 50 to 70 mA
Duration of auto-burnish impulse: 25 to 50 ms
DCMA INPUTS
Current input (mA DC): 0 to –1, 0 to +1, –1 to +1, 0 to 5, 0 to 10,
0 to 20, 4 to 20 (programmable)
Input impedance:
379
Ω
±10%
Conversion range:
–1 to + 20 mA DC
Accuracy:
±0.2% of full scale
Type:
Passive
RTD INPUTS
Types (3-wire):
100
Ω
Platinum, 100 & 120
Ω
Nickel, 10
Ω
Copper
Sensing current:
5 mA
Range:
–50 to +250°C
Accuracy:
±2°C
Isolation:
36 V pk-pk
REMOTE RTD INPUTS
Wire type:
three-wire
Sensor type:
100
Ω
platinum (DIN 43760), 100
Ω
nickel, 120
Ω
nickel, 10
Ω
copper
RTD sensing current:
3 mA
Range:
–40 to 200°C
Accuracy: ±2°C
Lead resistance:
25
Ω
maximum for Pt and Ni type; 3
Ω
max. for Cu type
Isolation:
36 Vpk
Summary of Contents for UR T60
Page 10: ...x T60 Transformer Protection System GE Multilin TABLE OF CONTENTS ...
Page 14: ...xiv T60 Transformer Protection System GE Multilin 0 1 BATTERY DISPOSAL 0 BATTERY DISPOSAL 0 ...
Page 34: ...1 20 T60 Transformer Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 436: ...5 298 T60 Transformer Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 678: ...C 30 T60 Transformer Protection System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 688: ...D 10 T60 Transformer Protection System GE Multilin D 1 IEC 60870 5 104 PROTOCOL APPENDIX D D ...
Page 700: ...E 12 T60 Transformer Protection System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
