1) The number of 11 kV feeders up to four feeders are connected to the 11 kV bus-bars of 33/11 kV substations. a) true ; b) up to Seven feeders ; c) up to eight feeders ; d) up to fourteen feeders. 2) If rated power of transformer is 1 MVA, the losses of transformer are : a) No load losses = 1.5KW and on load losses = 9KW ; b) No load losses = 1.1KW and on load losses = 5.5KW ; c) No load losses =1.7KW and on load losses = 10.5KW ; d) No load losses =2.6KW and on load losses = 17KW 3) Final distribution boards in electrical installation contain the over current protective devices such as : a) Relays ; b) fuses or miniature circuit breakers ; c) bus bars ; d) Ammeters and voltmeters.
1) The number of 11 kV feeders up to four feeders are connected to the 11 kV bus-bars of 33/11 kV substations. a) true ; b) up to Seven feeders ; c) up to eight feeders ; d) up to fourteen feeders. 2) If rated power of transformer is 1 MVA, the losses of transformer are : a) No load losses = 1.5KW and on load losses = 9KW ; b) No load losses = 1.1KW and on load losses = 5.5KW ; c) No load losses =1.7KW and on load losses = 10.5KW ; d) No load losses =2.6KW and on load losses = 17KW 3) Final distribution boards in electrical installation contain the over current protective devices such as : a) Relays ; b) fuses or miniature circuit breakers ; c) bus bars ; d) Ammeters and voltmeters.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.64P: The per-unit equivalent circuit of two transformers Ta and Tb connected in parallel, with the same...
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