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ABB REL650 - Page 116

ABB REL650
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IBase. However, if current transformer saturation is detected, this criterion is
changed to residual voltage (3U0) exceeding 5% of UBase/sqrt(3) instead.
DirModeZ3-5
Forward
Reverse
TRUE (1)
FW(Ln & LmLn)
RV(Ln & LmLn)
FW(Ln & LmLn)
FW(Ln & LmLn)
RV(Ln & LmLn)
IEC12000137-2-en.vsd
IEC12000137 V3 EN-US
Figure 42: Connection of directional signals to Zones
Section 6 1MRK 506 382-UEN A
Impedance protection
110 Line distance protection REL650 2.2 IEC
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