A 110 kV, 50 Hz, 175 km long three-phase transmission line consists of three 1.2 cm diameter stranded copper conductors spaced in a 2 m delta arrangement. Assume that temperature is 25°C and barometric pressure, 74 cm. Assume surface irregularity factor n = 0.85 (roughness factor), mV for local corona = 0.72 and mV for geneal corona = 0.82 Find: (a) disruptive critical voltage, (b) visual corona voltage for loca corona,
A 110 kV, 50 Hz, 175 km long three-phase transmission line consists of three 1.2 cm diameter stranded copper conductors spaced in a 2 m delta arrangement. Assume that temperature is 25°C and barometric pressure, 74 cm. Assume surface irregularity factor n = 0.85 (roughness factor), mV for local corona = 0.72 and mV for geneal corona = 0.82 Find: (a) disruptive critical voltage, (b) visual corona voltage for loca corona,
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A 110 kV, 50 Hz, 175 km long three-phase transmission line consists of three 1.2 cm diameter stranded copper conductors spaced in a 2 m delta arrangement. Assume that temperature is 25°C and barometric pressure, 74 cm. Assume surface irregularity factor n = 0.85 (roughness factor), mV for local corona = 0.72 and mV for geneal corona = 0.82 Find:
(a) disruptive critical voltage,
(b) visual corona voltage for loca corona,
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