Specifications

7SR242 Duobias Applications Guide
6.6 Reactor and Connections Protection
1718
12
56
910
1413
I
G1
21
65
109
W1 I
L1
W1 I
L2
W1 I
L3
ICT1 = Yy0 ICT2 = Yy0
A
1718
I
G2
12
56
910
W2 I
L1
W2 I
L2
W2 I
L3
A
B
Figure 6-10 AC Connections for Reactor and Connections Protection
Settings must take into consideration:
Connections: High internal and through fault currents.
Series reactor: Through fault current limited by reactor.
Shunt reactor: Single end fed faults only.
©2010 Siemens Protection Devices Limited Chapter 7 Page 56 of 56