Toshiba GR200 Series Instruction Manual page 985

Functional data
Current Differential Protection
Minimum operating current (DIFCH, DIFDZ):
% slope (DIFCH, DIFDZ):
CT ratio:
Operating time:
Accuracy:
Breaker Failure Protection
Overcurrent element:
BF timer for retrip of failed breaker:
BF timer for related breaker trip:
BF timer for transfer trip
Operating time of overcurrent element
Resetting time of overcurrent element
Accuracy of overcurrent element:
DO/PU ratio:
Voltage Check for Fail Safe
Undervoltage element (phase-to-earth):
Undervoltage element (phase-to-phase):
Undervoltage change detection element
Phase Overcurrent Protection
Definite time overcurrent element
Pick up level
Delay time
Operating time
Inverse time overcurrent element
Pick up level
Time multiplier
Characteristic
Reset type
Reset Definite delay
Reset Time Multiplier Setting (RTMS)
Metering Function
AC current
AC voltage
Frequency
Time Synchronisation
Protocol
10 to 20000A in 1A steps (CT primary amps)
0 to 90% in 1% steps
1.000 to 20000.000 in 0.001 steps
Typical 1 cycle (300% of DIFI)
5%(7% at I < 0.3×In)
0.10 to 5.00 times of current rating in 0.01 steps
0.000 to 300.000s in 0.001s steps
0.000 to 300.000s in 0.001s steps
0.000 to 300.000s in 0.001s steps
less than 20ms at 50Hz or less than 17ms at 60Hz
less than 15ms at 50Hz or less than 13ms at 60Hz
5% (10% at I < 0.5×In)
0.8
5.0 to 130.0V in 0.1V steps
5.0 to 130.0V in 0.1V steps
1 to 20V in 1V steps
0.02 to 50.00pu in 0.01pu steps
0.00 to 10.00s in 0.01s steps
typical 30ms (without delay time)
0.02 to 5.00pu in 0.01pu steps
0.010 to 50.00 in 0.01 steps
IEC-NI / IEC-VI / IEC-EI / UK-LTI / IEEE-MI / IEEE-VI /
IEEE-EI / US-CO2 / US-CO8 / Original
Definite Time or Dependent Time
0.0 to 300.0s in 0.1s steps
0.010 to 50.000 in 0.001 steps
Accuracy  0.5% (at rating)
Accuracy  0.5% (at rating)
Accuracy  0.03Hz
SNTP
- 971 -
6F2S1931 (0.20)
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)