In a three phase overhead system , each line is suspended by a string of three insulator. The voltages across top unit and the middle unit are 13 kV and 26kV respectively. Calculate a) ratio of shunt capacitance to self capacitance b) line voltage c) string efficiency
In a three phase overhead system , each line is suspended by a string of three insulator. The voltages across top unit and the middle unit are 13 kV and 26kV respectively. Calculate a) ratio of shunt capacitance to self capacitance b) line voltage c) string efficiency
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 3.26P: A bank of three single-phase transformers, each rated 30MVA,38.1/3.81kV, are connected in Y- with a...
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![In a three phase overhead system , each line
is suspended by a string of three insulator.
The voltages across top unit and the middle
unit are 13 kV and 26kV respectively.
Calculate a) ratio of shunt capacitance to self
capacitance b) line voltage c) string
efficiency
k
V3
Vp
VL](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F808c1c3c-6f45-472b-bc0c-38e1ac4bbd96%2F18a6b016-3b22-4b1a-8ebb-6956c553f2a0%2Fgz46yfp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a three phase overhead system , each line
is suspended by a string of three insulator.
The voltages across top unit and the middle
unit are 13 kV and 26kV respectively.
Calculate a) ratio of shunt capacitance to self
capacitance b) line voltage c) string
efficiency
k
V3
Vp
VL
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