ABB REG670 - Page 201

IEC11000217-1-en.vsd
AND
AND
AND
AND
AND
AND
STPE
OR
Release
OR
OR
OR
OR
STL1
STL2
STL3
STPP
START
OR
STL1N
STL2N
STL3N
STL1L2
STL2L3
STL3L1
IEC11000217 V1 EN
Figure 75: Composition of starting signals
Tripping conditions for the distance protection zone one are symbolically presented in
figure 76.
1MRK502052-UEN B Section 7
Impedance protection
195
Technical manual