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Ahnliche bucher wie basic design of 400 220kv sub station electrical engineering 1 english edition auf der suche nach neuem lesestoff entdecken sie die neue auswahl in kindle unlimited. Basic design of 400 220kv sub station electrical engineering 1 mr kamal krishna maity on amazoncom free shipping on qualifying offers this book will be useful for fresh graduate and post graduate electrical engineering students working professional this book convers basic design concept with theory and practical project . In case of a 220kv or more kv line station auto transformers are used while in case of lower kv line such as less than 132kv line double winding transformers are used while in case of lower kv line such as less than 132kv line double winding transformers are used. Electricity generation an electrical substation is a subsidiary station of an electricity generation transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. The layout of a 1 1 2 circuit breaker substation is shown in the schematic below one and a half circuit breaker layout the reason that such a layout is known as a 1 1 2 circuit breaker is due to the fact that in the design there are 9 circuit breakers that are used to protect the 6 feeders