O Name and explain any two methods for improving string efficiency. )A string of suspension insulators consists of three units if the voltage across the line unit is 17.5 kV. The ratio of self-capacitance to shunt capacitance of each unit is 5:1. Determine V1

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Chapter1: Units, Trigonometry. And Vectors
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(1) Name and explain any two methods for improving string efficiency.
(ii) A string of suspension insulators consists of three units if the voltage across the line unit is 17.5 kV. The ratio of self-capacitance to shunt capacitance of each unit is 5:1. Determine
a) V1
b) V2
c) VPH
d) %String Efficiency
Transcribed Image Text:(1) Name and explain any two methods for improving string efficiency. (ii) A string of suspension insulators consists of three units if the voltage across the line unit is 17.5 kV. The ratio of self-capacitance to shunt capacitance of each unit is 5:1. Determine a) V1 b) V2 c) VPH d) %String Efficiency
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