Toshiba GRL100-701B, Instruction Manual

Page: 398 / 473

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397
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6 F 2 S 0 8 5 0
Overvoltage Protection
Phase-to-phase element (OVS)
1
st
, 2
nd
Overvoltage thresholds:
Delay type (1
st
threshold only):
IDMTL Time Multiplier Setting TMS:
DTL delay:
Dropout / Pickup ratio:
OFF, 5.0 – 150.0V in 0.1V steps
DTL, IDMTL
0.05 - 100.00 in 0.01 steps
Inst, 0.01 - 300.00s in 0.01s steps
10 to 98% in 1% steps
Phase-to-earth element (OVG)
1
st
, 2
nd
Overvoltage thresholds:
Delay type (1
st
threshold only):
IDMTL Time Multiplier Setting TMS:
DTL delay:
Dropout / Pickup ratio:
OFF, 5.0 – 150.0V in 0.1V steps
DTL, IDMTL
0.05 - 100.00 in 0.01 steps
Inst, 0.01 - 300.00s in 0.01s steps
10 to 98% in 1% steps
Undervoltage Protection
Phase-to-phase element (UVS)
1
st
, 2
nd
Undervoltage thresholds:
Delay type (1
st
threshold only):
IDMTL Time Multiplier Setting TMS:
DTL delay:
Undervoltage block threshold:
OFF, 5.0 – 150.0V in 0.1V steps
DTL, IDMTL
0.05 - 100.00 in 0.01 steps
Inst, 0.01 - 300.00s in 0.01s steps
5.0 to 20.0V in 1V steps
Phase-to-earth element (UVG)
1
st
, 2
nd
Undervoltage thresholds:
Delay type (1
st
threshold only):
IDMTL Time Multiplier Setting TMS:
DTL delay:
Undervoltage block threshold:
OFF, 5.0 – 150.0V in 0.1V steps
DTL, IDMTL
0.05 - 100.00 in 0.01 steps
Inst, 0.01 - 300.00s in 0.01s steps
5.0 to 20.0V in 1V steps
Thermal Overload Protection
Thermal setting (THM = k.I
FLC
)
Time constant (
τ
)
Thermal alarm
Pre-load current setting
OFF, 0.40 – 2.00A in 0.01A steps (1A rating)
OFF, 2.0 – 10.0A in 0.1A steps (5A rating)
0.5 – 300.0mins in 0.1min steps
OFF, 50% to 99% in 1% steps
0.00 – 1.00A in 0.01A steps (1A rating)
0.0 – 5.0A in 0.1A steps (5A rating)
Switch-on-to-fault and Stub Protection
Overcurrent 0.4 to 3.0A in 0.1A steps (1A relay)
2.0 to 15.0A in 0.1A steps (5A relay)
Broken Conductor Detection
Broken conductor threshold (I
2
/I
1
):
DTL delay:
OFF, 0.10 - 1.00 in 0.01 steps
0.00 to 300.00s in 0.01s steps
Breaker Failure (BF) Protection
Overcurrent element
Reset
BF timer for retry-trip of failed circuit breaker
BF timer for adjacent circuit breaker tripping
Operating time of overcurrent element
Resetting time of overcurrent element 0.1 to 2.0A in 0.1A steps (1A relay)
0.5 to 10.0A in 0.1A steps (5A relay)
less than 80% of operating value
50 to 500ms in 1ms steps
50 to 500ms in 1ms steps
less than 20ms at 50Hz or 17ms at 60Hz
less than 15ms at 50Hz or 13ms at 60Hz
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