Speed Control Of DC Motor (Shunt, Series And Compound)
Mostly we want to control the speed of a DC motor on demand. This intentional change of drive speed is known as speed control of dc motor. Speed control of a Direct current motor is…
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Speed Torque Characteristics of D.C Motor-Easy Explain
The performance of a DC motor can be judged by its speed-torque characteristics and a motor for any particular application can be selected easily. In this article, speed-torque characteristics are discussed in detail. DC MOTOR…
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Air Break Circuit Breaker | Types | Construction | Working Principle
In air break circuit breaker the arc is founded and extinguish in substantially static air in which the arc moves. Such breakers are used for low voltages, usually up to 15KV and rupturing capacities of…
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Vacuum Circuit Breaker | Construction And Its Application
A circuit breaker which used vacuum as an arc extinction medium is called a vacuum circuit breaker. In this circuit breaker, the fixed and moving contact is enclosed in a permanently sealed vacuum interrupter. The…
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Sulphur Hexafluoride Circuit Breaker- Types,Construction And Working Principle
In an SF6 Circuit breaker, sulphur hexafluoride gas is applied as the arc quenching medium. The sulphur hexafluoride gas (SF6) is an electronegative gas and has a strong aptitude to absorb free electrons. The contacts…
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Air Blast Circuit Breaker/Operation Of Air Blast Circuit Breaker
This type of circuit breaker uses an air blast to slake the medium to break the circuit. The air blast swipes away the arcing manufacture to the atmosphere. This type of circuit breaks are used…
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Electrical Circuit Breaker | Operation and Types of Circuit Breaker
An electrical breaker may be a switch device that may be damaged manually or mechanically for dominant and supporting the electric power system. except a circuit breaker, there is a high risk of electrical fires, electrocution, and electrical shocks. There are different types of circuit breakers which are founded…
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What Is a Fuse?Types of Fuses And Its Application.
A French physicist namely “Breguet” was famous for his effort in the initial days of telegraphy. He suggested the utilization of reduced part of conductors to guard telegraph stations against the hits of lighting with liquefying, the…
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Important Short Questions And Answers Of FET/JFET/MOSFET/BJT
The flow of current through the conducting region controlled by an electric field. Hence the name field effect transistor (FET). FIELD EFFECT TRANSISTORS FET (field effect transistor) is said to be a unipolar device because…
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What is a Rectifier? Explain Different Types of Rectifiers
In a large number of electrical and electronic circuits, DC voltage is required for its operation. We can simply alter the AC voltage into DC voltage by using a device called the PN junction diode.…
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