Direct Grounded System - ABB REC650 Applications Manual
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Also See for REC650:
- Technical manual (700 pages) ,
- Commissioning manual (118 pages) ,
- Product manual (109 pages)
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Section 7
Voltage protection
7.3.3.3
160
ANSI07000190 V1 EN
Figure 64:
Ground fault in Non-effectively grounded systems
Direct grounded system
In direct grounded systems, an ground fault on one phase indicates a voltage collapse in
that phase. The two healthy phases will have normal phase-to-ground voltages. The
ANSI07000190-1-en.vsd
1MRK 511 286-UUS A
Application manual
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