Types and comparison of induction motor starters

As the name indicates, starters are used to start or stop a motor. It consists of an electromechanical switch and protection devices (overload and/or short-circuit protection). Why should we need…

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Horsepower to kilowatts Convertor

Horsepower and kilowatt are two different units of measuring power. Watts is the SI unit of power. It is a well-defined and normally used unit. This is a simple tool…

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Voltage division rule | Potential divider circuit

Voltage division rule is one of the basic rules of circuit analysis. It is applicable to all series circuits and combination circuits. Series circuit always acts as a Voltage divider.…

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Series and Parallel circuits

Series and parallel connection of lamps Current flow in a circuit is determined by the impedance offered by the circuit components, which is in turn determined by the way circuit…

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Contactor – Construction, Operation, Application and Selection

An electrical contactor is a switching device, widely used for the switching of motors, capacitors (for power factor correction) and lights. As the name indicates it is used to make…

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Difference between MPCB and MCCB

Motor Protection Circuit Breakers and Moulded Case Circuit Breaker and are devices used to open and close a circuit manually and interrupt the circuit automatically on the occurrence of faults.…

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Difference between RCCB and RCBO

RCCBs and RCBO are residual current protection devices. Residual current protection is achieved by monitoring the flow of current in the line and neutral. In a healthy circuit, the current…

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What is there inside and MCCB?

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What will happen if a DC voltage is applied to a transformer coil?

This is a quite common question asked by many. In fact, it is necessary to know the answer for why we don't apply DC voltage to a transformer coil. You…

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Difference between MCCB and RCCB

Difference between MCCB and RCCB MCCBs and RCCBs are circuit protection devices with two different application. When the former protect against overload and short circuit, the later protects against Residual…

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