Toshiba GR 200 Series, Instruction Manual

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6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)
- 1484 -
Operation accuracies
Protection functions Accuracies
Distance protection
Distance measuring element
Static accuracy
Static angle accuracy
Operating time
 5% at SIR  30,  10% at 30  SIR  50

5

of setting value
Typically 25ms + BO operating time (*1)
Overcurrent protection
Pick-ups
Operating time with definite timer
Operating time with inverse timer  5% of setting value (at I ≥ 0.5pu)
Typically 35ms + BO operating time (*1)
IEC curve
： 
5% of theoretical value
for 2  Multiple of threshold value  10 and
TMS=1
IEEE curve:

10% of theoretical value
for 2  multiple of threshold value  10 and
TMS=1
Earth Fault Protection
Pick-ups
Operating time with definite timer
Operating time with inverse timer
 3% of setting value
Typically 35ms + BO operating time (*1)
IEC curve
： 
5% of theoretical value
for 2  Multiple of threshold value  10 and
TMS=1
IEEE curve:
 10% of theoretical value
for 2  multiple of threshold value  10 and
TMS=1
Over / under voltage protection
Pick-ups
Operating time

5% of setting value
Typically 35ms
Breaker Failure (BF) Protection
Operating time of overcurrent element
Resetting time of overcurrent element
Typically 20ms
Maximum
 15ms
Thermal overload protection
Pick-ups
Operating time
 5% of setting value

10% of setting value
Negative overcurrent protection
Pick-ups
Operating time
 5% of setting value (at I ≥ 0.5pu)
Typically 35ms
Broken conductor protection
Pick-ups
Operating time

5% of setting value (at I ≥ 0.5pu)
Typically 35ms
Autoreclose
Operating time of synchronism check
element
Operating time of UV and OV elements
Typically 35ms
Typically 35ms
Fail safe relay operating time Typically 20ms
(*1)Typically 3—6ms