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Showing 10-18 of 43 results
properties 2Bof

Properties of Good Transformer Oil

  • Categories Power System, Substation, Transformer

Even though the basic functions of the oil used in transformers are heat conduction and electrical insulation, there are many other properties which make a particular oil eminently suitable. Properties of good transformer …

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Percentage Impedance of Transformer

Percentage Impedance of Transformer and Its Calculation

  • Categories Power System, Electrical Machines, Transformer

  What is the Percentage Impedance? The percentage impedance of a transformer is marked on most nameplates – but what is it and what does the Z% figure mean? The …

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Induction Motor and Transformer

Comparison between Induction Motor and Transformer

  • Categories Single Phase Motors, Alternator, Basic Electrical, Electrical Machines, Generation, Synchronous Motor, Three Phase Induction Motor, Transformer

An induction motor may be considered to be a transformer with a rotating short-circuited secondary. The stator winding corresponds to the transformer primary and the rotor winding to the transformer …

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Gas insulated switchgear parts

Introduction to Gas Insulated Substations / Switchgears (GIS)

  • Categories Power System, Circuit Breaker, Electrical Relays, Substation, Switchgear, Transformer

Gas-insulated substations (GIS) have been used in power systems over the last three decades because of their high reliability, easy maintenance, small ground space requirement, etc. This article is an …

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core-type-transformer

Core Type and Shell Type Transformers

  • Categories Transformer, Electrical Machines

Depending on the type of construction used, the transformers are classified into two categories. Core type Transformer Shell type Transformer Difference between Power Transformer and Distribution Transformer Core Type Transformer In …

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substation earthing

Substation Earthing System Design

  • Categories Power System, Basic Electrical, Circuit Breaker, Electrical Relays, Generation, Substation, Switchgear, Transformer

We have already given an introduction to substation earthing system in an article published earlier. Today we are going to discuss the design of substation earthing system. Before 1960s the …

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transformer oil testing

Transformer Oil Testing : Video Training

  • Categories Substation, Transformer

Transformer oil testing is just like a blood test in the human body. A blood test provides a doctor with a wealth of information about the health of a patient. …

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all day efficiency of transformer

All Day Efficiency of Transformer

  • Categories Transformer, Basic Electrical, Circuit Breaker, Electrical Machines, Locomotives, Power System, Substation, Switchgear

The ratio of output in kWh to the input in kWh of a transformer over a 24-hour period is known as all day efficiency. The ordinary or commercial efficiency of …

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back up protection

Primary and Back-up Protection in Power System

  • Categories Electrical Relays, Basic Electrical, Circuit Breaker, Electrical Machines, Generation, Power System, Substation, Switchgear, Transformer

Primary and Back-up Protection Primary protection (Main protection) is the essential protection provided for protecting an equivalent/machine or a part of the power system. As a precautionary measure, addition protection …

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From Blog

protective zones in power system
Protective Zones in Power Systems
Complete Guide on Ground Fault Circuit Interrupters
GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting
4 2Bmajor 2Btypes 2Bof 2Bsubstations
4 Major Types of Electrical Substations
Drum wound armature of dc motor
Gramme Ring and Drum Wound Armature in DC Motors

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