7 Settings
PCS-978 Transformer Relay
7-8
Date: 2013-01-16
No.
Setting Item
Range
Step
Unit
Description
4 x.64REF.t_Op
0~20s
0.001
s
Time delay for REF protection. Recommended value
is zero.
5 x.64REF.En_CTS_Blk
0: disable
1: enable
1
Logic setting of enabling/disabling blocking REF
protection during CT circuit failure
6 x.64REF.En_NeuCurr
0: disable
1: enable
1
Logic setting of enabling/disabling neutral current
criterion.
7 x.64REF.En
0: disable
1: enable
1
Logic setting of enabling/disabling REF protection.
8 x.64REF.OutMap
0000~FFFF
Tripping logic setting of REF protection
7.3.4 Winding Differential Protection Settings
Table 7.3-4 Setting list of winding differential protection
No.
Setting Item
Range
Step
Unit
Description
1 87W.I_Knee
0.1~4
0.001
In
Knee point setting of biased winding differential
protection.
2 87W.I_Biased
005~5
0.001
In
Pickup setting of biased winding differential protection
3 87W.Slope
0.1~0.9
0.001
Percentage restraint coefficient of biased winding
differential protection
4 87W.En_CTS_Blk
0: disable
1: enable
1
Logic setting of enabling/disabling blocking winding
differential protection during CT circuit failure
5 87W.En_Phase
0: disable
1: enable
1
Logic setting of enabling/disabling phase winding
differential protection.
6 87W.En_Residual
0: disable
1: enable
1
Logic
setting
of
enabling/disabling
residual
differential protection.
7 87W.OutMap
0000~FFF
F
Tripping logic setting of winding differential
protection
7.3.5 Inter-Turn Fault Protection Setting
Table 7.3-5 Setting list of Inter-turn fault protection
No.
Setting Item
Range
Step
Unit
Description
1 IntTurn.En
0: disable
1: enable
1
Logic setting of enabling/disabling inter-turn fault
protection.
2 IntTurn.OutMap
0000~FFFF
Tripping logic setting of inter-turn fault protection.
7.3.6 Overexcitation Protection Settings
Table 7.3-6 Settings of overexcitation protection
No.
Setting Item
Range
Step
Unit
Description
Summary of Contents for PCS-978
Page 1: ...PCS 978 Transformer Relay Instruction Manual NR Electric Co Ltd ...
Page 2: ......
Page 6: ...Preface PCS 978 Transformer Relay IV Date 2013 01 16 ...
Page 10: ...Preface PCS 978 Transformer Relay VIII Date 2013 01 16 ...
Page 62: ...3 Operation Theory PCS 978 Transformer Relay 3 p Date 2013 01 16 ...
Page 250: ...4 Supervision PCS 978 Transformer Relay 4 b Date 2013 01 16 ...
Page 264: ...4 Supervision PCS 978 Transformer Relay 4 14 Date 2013 01 16 ...
Page 266: ...5 Management PCS 978 Transformer Relay 5 b Date 2013 01 16 ...
Page 272: ...5 Management PCS 978 Transformer Relay 5 6 Date 2013 01 16 ...
Page 334: ...6 Hardware Description PCS 978 Transformer Relay 6 60 Date 2013 01 16 ...
Page 370: ...8 Human Machine Interface PCS 978 Transformer Relay 8 d Date 2013 01 16 ...
Page 404: ...8 Human Machine Interface PCS 978 Transformer Relay 8 34 Date 2013 01 16 ...
Page 406: ...9 Configurable Function PCS 978 Transformer Relay 9 b Date 2013 01 16 ...
Page 446: ...10 Communication PCS 978 Transformer Relay 10 26 Date 2013 01 16 ...
Page 448: ...11 Installation PCS 978 Transformer Relay 11 b Date 2012 10 09 ...
Page 456: ...11 Installation PCS 978 Transformer Relay 11 8 Date 2012 10 09 ...
Page 458: ...12 Commissioning PCS 978 Transformer Relay 12 b Date 2012 12 07 ...
Page 468: ...12 Commissioning PCS 978 Transformer Relay 12 10 Date 2012 12 07 ...
Page 470: ...13 Maintenance PCS 978 Transformer Relay 13 b Date 2012 10 09 ...
Page 474: ...13 Maintenance PCS 978 Transformer Relay 13 4 Date 2012 10 09 ...
Page 476: ...14 Decommissioning and Disposal PCS 978 Transformer Relay 14 b Date 2012 10 09 ...
Page 478: ...14 Decommissioning and Disposal PCS 978 Transformer Relay 14 2 Date 2012 10 09 ...
Page 480: ...15 Manual Version History PCS 978 Transformer Relay 15 2 Date 2013 01 16 ...