ABB Relion Technical Manual page 178
Generator protection
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Also See for Relion:
- Commissioning manual (202 pages) ,
- Applications manual (320 pages) ,
- Applications manual (84 pages)
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Section 7
Impedance protection
172
XoffsetDirLine
IEC06000457 V1 EN
Figure 73:
Impedance constructed as XoffsetDirLine in LEXPDIS (40) protection
LEXPDIS (40) function is schematically described in figure 74.
X
Underexcitation Protection
Restrain area
DirAngle
Z (apparent impedance)
1MRK 502 048-UUS A
R
en06000457.vsd
Technical manual
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