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Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single...
Batteries

Battery Testing Procedure

Battery Testing Battery testing comprises measuring the voltage, capacity, & other parameters of the battery with the...
Switchgear

RCD (Residual Current Device) Testing Procedure

What is an RCD? RCD - Residual Current Device A Residual Current Device (RCD) is a...
Protection

How to Protect Capacitor Bank?

What is a Capacitor Bank? A capacitor bank stores energy by connecting capacitors in series...
Electrical Calculators

Line Current Calculator

Calculator Use the calculator to find the line current by entering the total phase current...
Basic Electrical

What is the difference between KW and KVA?

According to the International System of Units, power is measured in kVA and kW.  The...
Electrical Notes & Articles

DC Motor No-Load Run Test Procedure and Checklist

What is DC Motor? A DC motor is a device that transfers electrical energy from...
Switchgear

SF6 Circuit Breaker: Working Principle, Construction, and Types

SF6 circuit breakers are employed for their  Table of ContentsWhat is an SF6 Circuit Breaker?Working...
Electric Motors

What is a Stepper Motor? How does it work?

What is a Stepper Motor? A stepper motor is an electric motor that works on...
Transformers

Losses in a Transformer

The power delivered to the transformer's input terminal must match the power delivered to...
Electrical How to

Why DC Series Motor should not be started at No Load?

What is the DC series motor? A DC series motor connects the armature & field windings in...
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