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Design of Overhead Transmission Line

October 18, 2020April 3, 2020

The subject related to the design of overhead transmission lines is a complicated subject. There is a number of factors to be considered during the designing of a transmission line. We have discussed here in …

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Accessories of Overhead Transmission Line

March 31, 2020March 31, 2020

Here we have given the short descriptions of some essential accessories of overhead transmission lines. Suspension Clamp A suspension clamp is used to fit a conductor with a suspension string. A suspension clamp is made …

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Overhead Conductors

March 29, 2020March 28, 2020

The wires through which electricity can flow is called electrical conductors. The conductors are mainly made of Copper and Aluminium. The conductors are mainly manufactured by hard drawn processes. All the hard drawn process reduces …

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Electrical Insulators

March 28, 2020March 26, 2020

The one and only work an insulator is to keep a live conductor electrically separated from the earth. The main material used for making is a solid insulator is either porcelain or glass. Although porcelain …

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Electric Transmission Towers

March 24, 2020March 23, 2020

For supporting extra-high-voltage or EHV overhead transmission lines, steel towers are used. These are also called lattice towers. Electric Transmission towers are constructed with GI (galvanized iron) angles of different sizes. The angles are assembled …

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Overhead Line Supports

March 23, 2020March 16, 2020

Types of Overhead Line Supports We can divide overhead line supports in two categories. They are poles and towers. The function of overhead line support is to keep the overhead conductors at a certain safe …

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Electrical Switchgear 

March 10, 2020March 9, 2020

The switchgear is not single equipment. This is the name of the entire system which consists of isolators, controllers, meters, relays, circuit breakers, transformers, and all other pieces of equipment required for operating and controlling …

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SF6 Circuit Breaker An Overview

March 9, 2020March 8, 2020

The circuit breaker in which the contacts open and close in the SF6 medium is called the SF6 circuit breaker. These circuit breakers are available for all levels of voltages. Sf6 is also a suitable …

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Capacitance Resistance Surge Suppressor and Surge Capacitor

March 6, 2020March 6, 2020

It is the simple form of a surge protection device. It has one power capacitor in series with a resistor. Like other surge protection devices, it is also connected between the line and earth of …

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Gapless Zinc Oxide Lightning Arrester

March 22, 2020March 3, 2020

The construction of a gapless zinc oxide lightning arrester is quite simple. The zinc oxide lightning arrester comes in the family of metal oxide lightning arresters. A specific number of zinc oxide cylindrical discs stacked …

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