Question

single line diagram of GIS substation. please answer. it's so important, ​

Answer 1

Answer:

Single-line diagram of the HV GIS of a main distribution system transformer station; VT 1 ±VT 4 are voltage transformers, CT 1 ±CT 4 are current transformers, D 2 , D 8 , D 17 , D 21 are circuit breakers, D 4 , D 6 , D 10 , D 11 , D 15 , D 19 , D 20 , D 23 are disconnectors, remaining D i components are grounding switches