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Line distance protection REL670
Version 2.2
Table 84. Voltage based delta supervision DELVSPVC
Function
Minimum Voltage
DelU>
DelUAng>
Operate time for changeat Ur to (Ur + 2 x DelU>)at
Ur to (Ur + 5 x DelU>)
Operate time for jump from Zero degrees to
'AngStVal' + 2 degrees
Table 85. Current based delta supervision DELISPVC
Function
Minimum current
DelI>
Second harmonic blocking
Third harmonic restraining
Operate time for changeat Ir to (Ir + 2 x DelI>)at Ir to
(Ir + 5 x DelI>)
Hitachi Energy
GUID-DAECF9F5-1D0B-43FC-AD29-8F96E05DD0DA v4
Range or value
(5.0 - 50.0)% of UBase
(2.0 - 500.0)% of UBase
(2.0 - 40.0) degrees
GUID-ED3FE722-1F29-4340-94E9-6C907C4474F2 v3
Range or value
(5.0 - 50.0)% of IBase
(10.0 - 500.0)% of IBase
(5.0 - 100.0)% of
fundamental
(5.0 - 100.0)% of
fundamental
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Accuracy
±0.5% of Ur at U ≤ Ur
Instantaneous 1 cycle & Instantaneous 2 cycle mode:±20%
of Ur at U ≤ Ur±20% of U at U > Ur
RMS & DFT Mag mode:±10% of Ur at U ≤ Ur±10% of U at U
> Ur
±2.0 degrees
Instantaneous 1 cycle & Instantaneous 2 cycle mode -
<20msRMS & DFT Mag mode - <30ms
Vector shift mode - <60ms
Accuracy
±1.0% of Ir at I ≤ Ir±1.0% of I at I > Ir
Instantaneous 1 cycle & Instantaneous 2 cycle mode:
±20% of Ir at I ≤ Ir±20% of I at I > Ir
RMS & DFT Mag mode:
±10% of Ir at I ≤ Ir±10% of I at I > Ir
±2.0% of Ir
±2.0% of Ir
Instantaneous 1 cycle & Instantaneous 2 cycle mode -
<20ms
RMS & DFT Mag mode - <30ms
1MRK 506 372-BEN Q
115
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