Difference between Conventional Transformer and Autotransformer

The normal transformer has two windings; primary winding and secondary winding. The autotransformer is a special kind of which has a common winding for primary and secondary winding. The operating…

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Single-phase Autotransformer

Single-phase Autotransformer

The normal transformer has two windings; primary winding and secondary winding. The autotransformer is a special kind of which has a common winding for primary and secondary winding. The operating…

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EMF Equation of DC Generator

EMF Equation of DC Generator

A DC generator is used to convert mechanical energy into electrical energy. The armature is a rotating part of the DC machine. The mechanical energy gets from the prime mover…

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Difference Between Induction Motor and Synchronous Motor

Difference Between Induction Motor and Synchronous Motor

The motor used to convert electrical energy into mechanical energy. According to the power supply, the motors are classified as AC motor and DC motor. The induction motor and synchronous…

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Working Principle of Induction Motor

Working Principle of Three-phase Induction Motor

An electric motor is an electromechanical device that used to convert electrical energy into mechanical energy. According to a power supply, motors are classified as AC motor and DC motor….

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Working Principle of DC Generator

Working Principle of DC Generator

The generator used to convert mechanical energy into electrical energy. According to the output power, the generator classified into two types; AC Generator DC Generator Click here for Construction of…

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direct online starter

Direct On-line Starter (DOL)

As we have seen in the working of three-phase induction motor, when three-phase supply is given to the stator, a rotating magnetic field produced and the rotor starts rotating. At…

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Cooling Methods of Transformer

Cooling Methods of Transformer

A transformer is a static device used to transfer the electrical energy from one voltage level to another voltage level. As we have seen in the construction of the transformer,…

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Load Test on single phase transformer

Load Test on Single-Phase Transformer

Before starting the Load Test on Single-Phase Transformer , let’s define the voltage regulation. Voltage Regulation When a transformer loaded with a constant primary voltage, the secondary voltage varies because…

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Torque equation of DC machine

Torque Equation of DC Motor

The term torque is a quantitative measure of the tendency of a force to cause a rotational motion. It is a turning and twisting moment of a force about an…

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