1. LG
2. LL
3. LLG
4. LLLG
LLG
1. 0.0166 p.u
2. 0.05 p.u
3. 0.1 p.u
4. 0.15 p.u
0.0166 p.u
1. Excitation improved by
2. Phase shifting transformer
3. Single pole switching of circuit breakers
4. Increasing the turbine value opening
Single pole switching of circuit breakers
1. 1,2 and 3
2. 1 and 2
3. 2 and 3
4. 1 and 3
2 and 3
1. R(s)-->(G1G2)-->C(s)
2. R(s)-->(G1+G2)-->C(s)
3. R(s)-->(1+G1+G2G3)-->C(s)
4. R(s)-->(1+G2+G1G2)-->C(s)
R(s)-->(1+G2+G1G2)-->C(s)
1. G1G2H2/H1(1+G1G2H2)
2. G1H2/H1(1+G1G2H2)
3. G2H2/H1(1+G1G2H1)
4. G2H1/H2(1+G1G2H2)
G1H2/H1(1+G1G2H2)
1. G1G2/1+G1G2H
2. G2/1+G2H
3. G1/1+G1H
4. G2/1+G1G2H
G2/1+G1G2H
1. G1G2/1+G1H1+G2H2-G1G2H1H2
2. G1G2/1+G1H1+G2H2+G1G2H1H2
3. G1G2/1+G1H1+G2H2
4. G1(1+G2H2)+G2(1+G1H1)/1+G1H1+G2H2+G1G2H1H2
G1G2/1+G1H1+G2H2+G1G2H1H2
1. 1/Ms2+fs+K1.K2
2. 1/Ms2+fs+K1+k2
3. 1/Ms2+fs+K.K2/K1+K2
4. K2/Ms2+fs+K1
1/Ms2+fs+K1+k2
1. 0.5
2. 0.75
3. 0.6
4. 2.0
0.6