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    Showing 1-16 of 63 results
    Equivalent Circuit for Tan δ Measurement and Phasor Diagram

    Tan Delta Test | Loss Angle Test | Dissipation Factor Test

    • Categories Substation, Power System

    The Tan Delta Test, also known as the Loss Angle Test or Dissipation Factor Test, is a crucial diagnostic technique used in the field of electrical insulation testing. This test …

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    pin insulator 1

    Pin Type Insulators: Construction, Working and Application

    • Categories Power System, Substation

    Pin type insulators are a critical component of electrical transmission systems, ensuring the safe and efficient transmission of electricity. Designed to withstand high voltages, these insulators provide insulation between overhead …

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    Transformer testing at factory

    Percentage Reactance in Power System (Transformer, Generator or Reactor)

    • Categories Power System, Substation, Switchgear, Transformer, Transmission Line

    Percentage reactance of power system elements such as generator, transformer and reactor are extensively used in short circuit calculation when any fault occurs in the system. Most faults in the …

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    Load Curve and Load Duration Curve

    Load Duration Curve in Power Station

    • Categories Power System, Substation

    Load duration curves are used in power stations to illustrate the relationship between generating capacity requirements and capacity utilization. A load duration curve (LDC) is similar to a load curve …

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    Double end break disconnect switch

    Disconnect Switches (Isolator) in Substation: Types, Design and Working

    • Categories Substation, Power System, Switchgear, Transmission Line

    A disconnect switch is a mechanical device that conducts electrical current and provides an open point in a circuit for isolation of circuit breakers, circuit switchers, power transformers, capacitor banks, …

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    How to rescue a person from electric shock

    How to Rescue a Person from Electric Shock?

    • Categories Basic Electrical, Electrical Circuits, Power System, Substation

    If a person receives an electric shock, it is the utmost duty of the observer to rescue the person. The first step is to disconnect the person immediately from the …

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    Switching Station

    What is Switching Station? | Working and Layout

    • Categories Substation

    What is a switching station? A switching station is a substation that does not contain power transformers and therefore does not change system voltage from one level to another. Switching …

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    Substation Bus Configurations

    Substation Bus Configuration / Scheme: The Definitive Guide

    • Categories Power System, Substation, Switchgear

    In this article, you will learn different types of substation bus configuration and their application. The equipment and buses installed in the substation switchyard are arranged and connected in specific …

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    Transformer Percentage Impedance Testing

    How to Test Percentage Impedance of Transformer?

    • Categories Transformer, Electrical Machines, Measurement, Power System, Substation

    This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. The results of this test should compare directly to the …

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    Substation-components-equipment-layout

    Electrical Substation: Equipment, Types, Components & Functions

    • Categories Substation, Transformer

    An electrical substation is an integral part of a generation, transmission and distribution system. A substation can interrupt or establish electrical circuit, change the voltage, frequency or other characteristics of …

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    Transformer Bushing Types

    Transformer Bushing Types : RIP Bushing vs OIP Bushing

    • Categories Transformer, Electrical Machines, Substation

    Transformer bushing types are categorized based on their material, manufacturing, and design mainly into the following types: OIP (Oil-Impregnated Paper) Bushing RIP (Resin Impregnated Paper) Bushing RIS (Resin Impregnated Synthetic) …

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    Three wattmeter method of measuring three phase power

    Measurement of Three Phase Power | Wattmeter Methods

    • Categories Measurement, Basic Electrical, Instrumentation, Power System, Substation

    This article explains the measurement of three-phase power in star connected or delta connecter load using the wattmeter methods. The power in a three phase load can be measured by …

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    Circuit-Breaker-Working-Principle.gif

    Circuit Breaker Definition, Working Principle and Arcing Phenomenon

    • Categories Circuit Breaker, Substation, Switchgear

    Definition A circuit breaker means the device which breaks (Open) the circuit under the abnormal condition and protects the system from hazards. The function of a circuit breaker is to isolate …

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    4 2Bmajor 2Btypes 2Bof 2Bsubstations

    4 Major Types of Electrical Substations

    • Categories Power System, Substation

      The assembly of the apparatus used to change some characteristic (e.g. voltage, a.c. to d.c., frequency, p.f etc.) of electric supply is called a sub-station. The four major types …

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    Current 2BTransformer 2BConstruction 2Bor 2BCircuit 2BDiagram 2Band 2BSymbol

    Current Transformer (CT) – Construction and Working Principle

    • Categories Circuit Breaker, Electrical Machines, Generation, Instrumentation, Measurement, Power System, Substation, Switchgear, Transformer

    A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current (AC) in its secondary which is proportional to the AC …

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    ideal 2Btransformer 2Bphasor 2Bdiagram

    Ideal Transformer and Practical Transformer

    • Categories Electrical Machines, Power System, Substation, Transformer

    Ideal Transformer An ideal transformer is one that has no winding resistance no leakage flux i.e., the same flux links both the windings no iron losses (i.e., eddy current and …

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