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DC Meter

DC Meter: The most commonly used dc meter is based on the fundamental principle of the motor. The motor action is produced by the flow of a small amount of…

Short Circuit Current Computation through Thevenin Theorem

Short Circuit Current Computation through Thevenin Theorem: An alternate method of computing Short Circuit Current Computation is through the application of the Thevenin theorem. This Short Circuit Current Computation method…

Methods of Voltage Control in Transmission Lines

Methods of Voltage Control in Transmission Lines: Practically each equipment used in power system are rated for a certain voltage with a permissible band of voltage variations. Voltage at various…

Voltage and Harmonic Control of Inverters

Voltage and Harmonic Control of Inverters: Voltage and Harmonic Control of Inverters - In applying Inverters for motor control both V and f (keeping V/f constant) need to be varied.…

Basic Principle of Chopper Circuit

Basic Principle of Chopper Circuit: A Basic Principle of Chopper Circuit is essentially a thyristor switch in series with the load as shown in Fig. 11.27(a). A shunting diode is…

What is Power Electronic Converter?

What is Power Electronic Converter?: What is Power Electronic Converter? - Since the introduction of the thyristor, the Power Electronic Converter technology has progressed through intense technological evolution for the…

MOS Controlled Thyristor (MCT)

MOS Controlled Thyristor (MCT) | Symbol | Equivalent Circuit: An MOS Controlled Thyristor (MCT) is a thyristor-like trigger-into-conduction device that can be turned on or off by a short pulse…

What is Silicon Controlled Rectifier (SCR)?

What is Silicon Controlled Rectifier (SCR)? | Construction and Working of SCR: What is Silicon Controlled Rectifier (SCR)? - This semiconductor switching device is also known as a thyristor. It…