Speed Control of Induction Motor

Speed Control of Induction Motor: Stepless control of speed of induction motors cannot be carried out as efficiently and inexpensively as for dc motors. Various methods of Speed Control of…

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Crawling and Cogging in Induction Motor

Crawling and Cogging in Induction Motor: Crawling and Cogging in Induction Motor - A squirrel-cage rotor may exhibit a peculiar behavior in starting for certain relationships between the number of…

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Torque Slip Characteristics of Induction Motor

Torque Slip Characteristics of Induction Motor: The expression for Torque Slip Characteristics of Induction Motor (T(s)) is easily obtained by finding the Thevenin equivalent of the circuit to the left…

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Electric Motor Characteristics

Electric Motor Characteristics: The machine and the load are the two components of an electro-mechanical energy-conversion system, and the Electric Motor Characteristics, generally, play a predominant part in the operating…

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Principle of Induction Motor

Principle of Induction Motor | Torque Slip Characteristic: Principle of Induction Motor has not been introduced so far. Consider a cylindrical rotor machine with both the stator and rotor wound…

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Rotating Magnetic Field

Rotating Magnetic Field: Rotating Magnetic Field - It was seen earlier that the sinusoidal current in any phase of an ac winding produces a pulsating mmf wave in space whose…

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Three Winding Transformer

Three Winding Transformer: Three Winding Transformer may be built with a third winding, called the tertiary, in addition to the primary and secondary. Various purposes which dictate the use of…

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Magnetically Induced Emf and Force

Magnetically Induced Emf and Force: Magnetically Induced Emf and Force - Faraday's law of induction, which is the integral form of the fourth Maxwell's equation, is given as The integrated…

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