Type of relay most suited for
|
1. Buchholz relay |
P. Feeder |
|
2. Translay relay |
Q. Transformer |
|
3. Carrier current, phase comparison relay |
R. Radial distribution |
|
4. Directional overcurrent relay |
S. Generator |
|
5. Negative sequence relay |
T. Ring main distributor |
|
U. Long overhead transmission line |
1
1 - P, 2 - Q, 3 - T, 4 - R, 5 - S
2
1 - Q, 2 - R, 3 - T, 4 - U, 5 - P
3
1 – S, 2 - Q, 3 - S, 4 - T, 5 - U
4
1 - Q, 2 - P, 3 - U, 4 - T, 5 - S