1 INTRODUCTION
g
GE Power Management
4
1.4 Technical Specifications
Phase Current Inputs
conversion:
calibrated RMS
range:
0.05 to 12
×
phase CT primary amps setpoint
full scale:
12
×
phase CT primary amps setpoint
accuracy:
±0.5% of full scale (0.05 to 2 X phase CT primary amps setpoint)
±1.0% of full scale (over 2 X phase CT primary amps setpoint)
Ground Fault Current Input
conversion:
calibrated RMS
range:
0.1 to 1.0 X G/F CT primary amps setpoint (5 Amp secondary CT)
1.0 to 10.0 amps (2000:1 CT)
full scale:
1
×
G/F CT primary amps setpoint (5 Amp secondary CT)
10 amps (2000:1 CT)
accuracy:
±4% of G/F CT primary amps setpoint (5 Amp secondary CT)
± 0.3 amps primary (2000:1 CT)
Overload Curves
trip time accuracy:
±1 sec. up to 13 sec.
±8% of trip time over 13 sec.
detection level:
±1% of primary CT amps
Unbalance
display accuracy:
±2 percentage points of true negative sequence unbalance (In/Ip)
Relay Lock-out Time
accuracy:
+/- 1 minute with control power applied
+/- 20% of total lock-out time with no control power applied
Trip/Alarm Delay Times
accuracy:
±0.5 sec. or 2% of total time, whichever is greater with the exception of:
1. "INST."setpoints:
less than 50 msec.
2. Ground Fault 0.5 Second delay:
±150 msec.
3. Ground Fault 250 msec delay:
+75 msec, -150 msec.
Phase Reversal Trip Time
relay response time:
within 3.5 sec. of motor start attempt
Differential Relay Input
relay response time:
100 msec. maximum (contact closure to output relay activation)
Summary of Contents for 169
Page 12: ......
Page 14: ...2 INSTALLATION g GE Power Management 8 Figure 2 2 CT Dimensions ...
Page 17: ...2 INSTALLATION g GE Power Management 11 Figure 2 4 Relay Wiring Diagram AC control power ...
Page 19: ...2 INSTALLATION g GE Power Management 13 Figure 2 6 Relay Wiring Diagram Two Phase CTs ...
Page 20: ...2 INSTALLATION g GE Power Management 14 Figure 2 7 Relay Wiring Diagram DC Control Power ...
Page 28: ...2 INSTALLATION g GE Power Management 22 Figure 2 10 169 Drawout Relay Physical Dimensions ...
Page 29: ...2 INSTALLATION g GE Power Management 23 Figure 2 11 169 Drawout Relay Mounting ...
Page 31: ...3 SETUP AND USE g GE Power Management 25 Figure 3 1 Front Panel Controls and Indicators ...
Page 73: ...3 SETUP AND USE g GE Power Management 67 Figure 3 2 Standard Overload Curves ...
Page 74: ...3 SETUP AND USE g GE Power Management 68 A B Figure 3 3 Custom Curve Examples ...
Page 88: ...5 THEORY OF OPERATION g GE Power Management 82 Figure 5 1 Hardware Block Diagram ...
Page 90: ...5 THEORY OF OPERATION g GE Power Management 84 Figure 5 2 Firmware Block Diagram ...