Types of Forced Commutation: It was observed from the discussion on choppers and inverters that in thyristor systems fed from dc supply, the forward current does not pass through zero…
DC Motor Control through Converters: DC motor control is conveniently and efficiently achieved by phase-controlled converters wherein the ac input voltage is converted to a controlled dc output. The commutation…
Block Diagram of Electrical Drives | Advantages | Applications: Block Diagram of Electrical Drives - Invention of thyristor led to emergence of semiconductor drives in early sixties. The improvements in…
Motor Control by Static Power Converters: Motor Control by Static Power Converters - Power electronics is a multidisciplinary technology that encompasses power semiconductor devices, converter circuits, electric machines, signal electronics,…
Ion Implantation Process in IC Fabrication: As we know, the conductivity of the semiconductor increases when small impurity is added to it. The process of adding impurity is called doping…
Diffusion Process in IC Fabrication: Diffusion is the oldest technique used to add impurity into the Substrate. The main aim of the Diffusion Process in IC Fabrication is to change  the…
Reactive Plasma Etching: The reactive plasma is the discharge in which gases ionized producing chemically active species, oxidizers, reagents. The plasma is reactive in both gaseous and solid phase, hence…
Single Phase Synchronous Generator: Certain applications, usually restricted to less than 10 kVA are better served by a Single Phase Synchronous Generator. Examples are emergency, domestic/office supply, portable power for…