3
Operation
Theory
PCS-978 Transformer Relay
3-80
Date: 2013-01-16
inputs are not connected to external signals or settings.
3.6.5 Inputs and Outputs
IntTurn
I3P
U3P
En1
En2
Blk
St
Op
Figure 3.6-7 IntTurn Function block
Table 3.6-1 Input signals of IntTurn function block
No.
Signal
Description
1
I3P
Three-phase current data input
2
U3P
Three-phase voltage data input
3
En1
Function enabling input1 and input 2, it can be binary inputs or settings, such as function
enabling binary inputs, logic links, etc.
4
En2
5
Blk
Function blocking input, such as function blocking binary input.
When the input is 1, the protection is not reset.
Table 3.6-2 Output signals of IntTurn function block
No.
Signal
Description
1
St
Inter-turn fault protection starts.
2
Op
Inter-turn fault protection operates.
Above input signals and output signals can be used for programmable logic, and following output
signals are only for LCD display of equipment and oscillograph function.
Table 3.6-3 Output signals of IntTurn: report
No.
Signal
Description
1 IntTurn.Op
Inter-turn fault protection operates.
Tripping reports of protection element.
2 IntTurn.St
Inter-turn fault protection starts.
Start signals of protection element.
3 x.IntTurn.TrigDFR
Inter-turn fault protection picks up to trigger DFR function..
Signals of protection element triggering DFR function recorded as IO events.
3.6.6 Settings
Table 3.6-4 Settings of IntTurn
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 ...