Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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Chapter 7, Problem 7.22P
(a)
To determine
The Ybus matrix for given network.
(b)
To determine
The Z matrix for given network using MATLAB.
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Practice1
A single-phase step-down transformer of 83 kVA, nominal voltages 24kV/230 V, frequency 60 Hz is available.The following test parameters are available:Pfe = 216 W, Io = 2% Pcc = 1083 W, Vcc = 4%
Determine:a. Parameters Rcc, Xcc and Rfe of the equivalent circuit referring to the secondary.b. Relative voltage drops. εcc, εrcc, εxcc
A single-phase step-down transformer of 83 kVA, nominal voltages 24kV/230 V, frequency 60 Hz is available.The following test parameters are available:Pfe = 216W, Io = 2%, Pcc = 1083W, Vcc = 4%
Determine:
If the transformer is connected to 24 kV, a load Zc, fp = 0.866 in arrears, is installed in the secondary transformer, which consumes the nominal current. Calculate:• Transformer voltage regulation (perform calculations by PU's)• Maximum efficiency.
Chapter 7 Solutions
Power System Analysis and Design (MindTap Course List)
Ch. 7 - Even though the fault current is not symmetrical...Ch. 7 - The amplitude of the sinusoidal symmetrical ac...Ch. 7 - Equipment ratings for the four-bus power system...Ch. 7 - Equipment ratings for the five-bus power system...Ch. 7 - Prob. 7.22PCh. 7 - A three-phase circuit breaker has a 15.5-kV rated...Ch. 7 - Prob. 7.32P
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ISBN:9781305632134
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