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