ABB Relion 670 Series Technical Reference Manual page 262
Line differential protection ansi
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Also See for Relion 670 Series:
- Technical manual (1432 pages) ,
- Applications manual (944 pages) ,
- Technical reference manual (752 pages)
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Section 6
Impedance protection
256
Release
AND
PU_AG
AND
PU_BG
AND
PU_CG
AND
PU_AB
AND
PU_BC
AND
PU_CA
ANSI11000217 V1 EN
Figure 127:
Composition of pickup signals
Tripping conditions for the distance protection zone one are symbolically presented in
figure 83.
OR
OR
OR
OR
OR
1MRK505222-UUS C
PHG_FLT
PU_A
PU_B
PU_C
PICKUP
OR
PHPH_FLT
ANSI11000217-1-en.vsd
Technical reference manual
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