Math Problem Statement
A suspension insulator has three units in the string. The capacitance between each insulator and the ground is 25% of the capacitance between the metal parts of two adjacent insulators. If the voltage across the string is 66 kV, calculate the capacitance of the string and the voltage across each insulator.
Solution
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Math Problem Analysis
Mathematical Concepts
Capacitance
Voltage Division
Electrical Circuits
Formulas
C_g = 0.25 C
V_total = V_1 + V_2 + V_3
Voltage Division Formula: V_i = (V_total * Capacitance fraction) / Total Capacitance
Theorems
Voltage Division Rule
Capacitance in Series and Parallel
Suitable Grade Level
Undergraduate Electrical Engineering
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