Answered: 1- Comment on the results obtained. 2-…

1- Comment on the results obtained. 2- Give reasons for unequal potential distribution over the string. 3- What is the effect of this un equality on the insulators?

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.61P

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Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

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Discussions:Voltage Distribution and String Efficiency of a Model Suspension Insulator

1- Comment on the results obtained.
2- Give reasons for unequal potential distribution over the string.
3- What is the effect of this un equality on the insulators?
4- Can value of the string efficiency being equal to 100%. Explain your answer.
5- Outline methods used to equalize the potential across the units.
6- Why an insulator is represented as a capacitor C? What are the assumption
modes?

C-
Voltage f self capsetcnswith grading-vn)
No cfCasiet
Vsltage of caPsit
0-77
-36
Cu
2.35
3-33
C7
312
Cs Scanned with CamScanner-

Voltage Distribution and string of a modal
SusPnsion
Seurce Voltage 15-v ac
humberof capsit
Voltag of capsit
o1.97
北
2.07
12
C3
2.19
2020
2.30
Cら
|-98
C6
2.05
C7
1.98
b-voltage of capsit.
with tower
humber of capsi
Voltage of capsit
0.61
C2
0. 72
C3
1.49
2.01
3.09.
ら1。
Cs Scanned with CamScahner

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