Micom P634 - Page 507

Parameter Address
Default Min Max Unit Logic Diagram
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DIFF: 0-seq. filt.a en.PSx
072 155 073 155 074 155 075 155
1: Yes Fig. 3-89, (p. 3-131)
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Enabling or disabling the zero-sequence filtering of winding a.
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DIFF: 0-seq. filt.b en.PSx
072 156 073 156 074 156 075 156
1: Yes Fig. 3-89, (p. 3-131)
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Enabling or disabling the zero-sequence filtering of winding b.
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DIFF: 0-seq. filt.c en.PSx
072 157 073 157 074 157 075 157
1: Yes Fig. 3-89, (p. 3-131)
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Enabling or disabling zero-sequence filtering for winding c.
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DIFF: 0-seq. filt.d en.PSx
072 154 073 154 074 154 075 154
1: Yes Fig. 3-90, (p. 3-132)
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Enabling or disabling zero-sequence filtering for winding d.
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DIFF: Overflux.bl. en. PSx
072 158 073 158 074 158 075 158
0: No Fig. 3-96, (p. 3-138)
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Enabling or disabling the overfluxing restraint.
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DIFF: Ov. I(5f0)/I(f0) PSx
072 160 073 160 074 160 075 160
20 10 80 % Fig. 3-96, (p. 3-138)
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Operate value of the overfluxing restraint of differential protection as ratio of the
fifth harmonic component to the fundamental wave for the differential current,
in percent.
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DIFF: Op.del.,trip sig.PSx
010 162 010 163 010 164 010 165
0.00 0.00 100.00 s Fig. 3-94, (p. 3-136)
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The time-delay of the differential protection trip signal can be set here.
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DIFF: Hyst. effective PSx
072 006 073 006 074 006 075 006
1: Yes
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Enabling or disabling the hysteresis of the tripping characteristic at the rate of
10%.
7 Settings P634
P634/EN M/R-42-A // P634‑311‑653 7-153