Simplified Logic Diagrams - ABB REG650 Technical Manual
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Also See for REG650:
- Technical manual (676 pages) ,
- Commissioning manual (144 pages) ,
- Product manual (73 pages)
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1MRK 502 048-UEN A
7.5.6.2
Technical manual
ArgLd
ArgLd
RLd
IEC10000144 V2 EN
Figure 85:
Characteristic of load encroachment function
The reach is limited by the minimum operation current and the distance measuring
zones.
Simplified logic diagrams
Figure
86
schematically presents the creation of the phase-to-phase operating
conditions.
Impedance protection
X
RLd
ArgLd
R
ArgLd
IEC10000144-1-en.vsd
Section 7
175
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