Toshiba GR200 Series Instruction Manual page 253

energized quantity (I) falls below the threshold setting [OC1], the element operation will
return to its reset stage after the time t(I) calculated in Equation (2.15-2).
Energizing current
Pickup threshold in relay
Measuring quantity
Inverse-time-reset characteristic
Stage to element
return
Setting
[*-Rtimer]=DEP
Integrator
Trip signal
Definite-time-reset characteristic
Stage to element
return
Setting
[*-Rtimer]=DEF
Integrator
Trip signal
Integration will be kept in timer [TOC1R].
The integration will start again when the energizing current
becomes larger than [OC1] within [TOC1R].
Figure 2.15-7 Inverse-time-reset characteristics
Reset time of DT
(vii)
In the DT characteristic, the reset time is designed to be instant.
The integration will be deceased depending on the
[OC1-RTMS-*] reset characteristics.
Reset time
- 230 -
6F2S1914 (0.49)
Energizing current
cleared by tripping
The integration will be reset when the energizing current
does not become larger than [OC1] in [TOC1R].
GRL200 (Soft 033 & 037)
Time →
[OC1] threshold
0 A