GE D90 Plus Instruction Manual page 138
Line distance protection system
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Also See for D90 Plus:
- Instruction manual (688 pages) ,
- Communications manual (222 pages) ,
- Instruction manual (602 pages)
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IEC 61850 COMMUNICATIONS
128
PPV Phase AB Deadband, PPV Phase BC Deadband, PPV Phase CA Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the Vab, Vbc, and Vca per-phase voltage deadband values. The
100% deadband value is 275 × VT ratio.
PhV Phase A Deadband, PhV Phase B Deadband, PhV Phase C Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the Va, Vb, and Vc phase voltage deadband values. The 100%
deadband value is 275 × VT ratio.
Current Phase A Deadband, Current Phase B Deadband, Current Phase C Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the Ia, Ib, and Ic phase current deadband values. The 100%
deadband value is 46 × phase CT secondary × phase CT ratio.
Current Neutral Deadband
Range: 0.001 to 100.00% in steps of 0.001
Default: 10.000%
This setting specifies the neutral current deadband value. The 100% deadband value is
46 × ground CT secondary × ground CT ratio.
Watt Phase A Deadband, Watt Phase B Deadband, Watt Phase C Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the real per-phase power deadband values. The maximum value
representing 100% of deadband is 46 × phase CT secondary × phase CT ratio × 275 × VT
ratio.
Var Phase A Deadband, Var Phase B Deadband, Var Phase C Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the reactive per-phase power deadband values. The maximum
value representing 100% of deadband is 46 × phase CT secondary × phase CT ratio ×
275 × VT ratio.
VA Phase A Deadband, VA Phase B Deadband, VA Phase C Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the apparent per-phase power deadband values. The maximum
value representing 100% of deadband is 46 × phase CT secondary × phase CT ratio ×
275 × VT ratio.
Power Factor Phase A Deadband, Power Factor Phase B Deadband, Power Factor Phase
C Deadband
Range: 0.001 to 100.000% in steps of 0.001
Default: 10.000%
These settings specify the per-phase power factor deadband values. The maximum
value representing 100% of deadband is 2.
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: COMMUNICATIONS
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