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(a) The circuit of an 11 kV distribution system overhead line and local circuit are shown in Figure Q3.a. -of Vs Line PT, QT Z=R+jx PG. QG VR PL. QL Generation Local Load Figure Q3.a The line has the following parameters; Total Resistance, R: 8.145 2 Total Reactance, X: 5.925 2 If the source voltage, Vs, = 1.03 pu, calculate the approximate maximum load at unity power factor that can be applied to the local network, say due to increased EV charging, before the lower voltage limit of -6% is exceeded under the following conditions; (i) With no local generation. (ii) With local generation using a generator producing 500 kW and 375 kVAr reactive power. The generator is a synchronous type, operating over-excited to produce reactive power.

(a) The circuit of an 11 kV distribution system overhead line and local circuit are shown in Figure Q3.a. -of Vs Line PT, QT Z=R+jx PG. QG VR PL. QL Generation Local Load Figure Q3.a The line has the following parameters; Total Resistance, R: 8.145 2 Total Reactance, X: 5.925 2 If the source voltage, Vs, = 1.03 pu, calculate the approximate maximum load at unity power factor that can be applied to the local network, say due to increased EV charging, before the lower voltage limit of -6% is exceeded under the following conditions; (i) With no local generation. (ii) With local generation using a generator producing 500 kW and 375 kVAr reactive power. The generator is a synchronous type, operating over-excited to produce reactive power.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question 3 (a) The circuit of an 11 kV distribution system overhead line and local circuit are shown in Figure Q3.a. T o Vs Line PT, QT Z= R +jx VR PG, QG PL, QL Figure Q3.a The line has the following parameters; Total Resistance, R: 8.145 Generation Local Load Total Reactance, X: 5.925 2 If the source voltage, Vs,= 1.03 pu, calculate the approximate maximum load at unity power factor that can be applied to the local network, say due to increased EV charging, before the lower voltage limit of -6% is exceeded under the following conditions; (i) With no local generation. (ii) With local generation using a generator producing 500 kW and 375 kVAr reactive power. The generator is a synchronous type, operating over-excited to produce reactive power.
Transcribed Image Text:Question 3 (a) The circuit of an 11 kV distribution system overhead line and local circuit are shown in Figure Q3.a. T o Vs Line PT, QT Z= R +jx VR PG, QG PL, QL Figure Q3.a The line has the following parameters; Total Resistance, R: 8.145 Generation Local Load Total Reactance, X: 5.925 2 If the source voltage, Vs,= 1.03 pu, calculate the approximate maximum load at unity power factor that can be applied to the local network, say due to increased EV charging, before the lower voltage limit of -6% is exceeded under the following conditions; (i) With no local generation. (ii) With local generation using a generator producing 500 kW and 375 kVAr reactive power. The generator is a synchronous type, operating over-excited to produce reactive power.
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