Toshiba GR200 Series Instruction Manual page 153

Centralized busbar protection ied
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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].
Figure 2.6-4 Inverse-time-reset characteristics
Reset time of DT
(vii)
In the DT characteristic, the reset time is designed to be instant.
Setting items
OC*-EN
DT / IEC-NI / IEC-VI / IEC-
EI / UK-LTI / IEEE-MI /
OC*-Timer
IEEE-VI / IEEE-EI / US-
CO2 / US-CO8 /Original
OC* (DT mode)
OC* (IDMT mode)
OC*-DPR
TOC*
OC*-TMS-IEC
OC*-TMS-UK
OC*-TMS-IEEE
OC*-TMS-US
OC*-TMS-ORG
OC*-Rtimer
The integration will be deceased depending on the
[OC1-RTMS-*] reset characteristics.
The integration will start again when the energizing current
becomes larger than [OC1] within [TOC1R].
Table 2.6-4 OC settings in each CH
Mode / range
Unit
Off / On
0.02 - 50.00
0.02 - 5.00
10 - 100
0.00 - 300.00
0.010 - 50.000
0.010 - 50.000
0.010 - 50.000
0.010 - 50.000
0.010 - 50.000
DEF / DEP
- 139 -
Reset time
The integration will be reset when the energizing current
does not become larger than [OC1] in [TOC1R].
Contents
Protection enable
Delay type
Threshold in DT mode (multiple of
CT secondary rating)
Threshold in IDMT mode (multiple
of CT secondary rating)
%
Drop-out/Pick-up ratio
s
Operating delay time (in DT mode)
-
Time multiplier in IEC inverse curve
-
Time multiplier in UK inverse curve
Time multiplier in IEEE inverse
-
curve
-
Time multiplier in US inverse curve
Time multiplier in Original inverse
-
curve
-
Reset delay type
6F2S1931 (0.20)
Time 
Energizing current
cleared by tripping
[OC1] threshold
0 A
Default
Off
DT
1.00
1.00
100
1.00
1.000
1.000
1.000
1.000
1.000
DEF
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)

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