Open Circuit Test and Short Circuit Tests To determine the circuit constant, efficiency and regulation of a transformer, without actually loading the…
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auto transformer
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Regulation and efficiency What is voltage Regulation? The term voltage regulation identifies the characteristic of the voltage change in the transformer with…
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Three phase induction motors Three – Phase induction motor is the most common and popular type of a.c motor used for industrial…
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Three Phase Transformers The three-phase transformers are mainly of two types: Single unit three-phase transformer. Three unit three-phase transformer. Figure: Three phase…
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Types of single phase induction motors The single-phase induction motor is started by using some methods. Mechanical methods are not very practical…
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Types of three phase induction motor rotor There are two types of induction motor rotors: Squirrel-cage rotor or simply cage rotor. Phase…
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Auto Transformer What is single-phase autotransformer? It is a single winding transformer in which a part of the winding is common to…
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Construction of Single – Phase Transformers A single-Phase transformer consists of primary and secondary winding. The core of the transformer is made…
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Direct-Current Generators Basic Structure of Electrical machines: A rotating machine has two parts stator and rotor. Stator does not move, and it…
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Construction of three phase synchronous machines An alternator consists of two parts, the stator, and the rotor. The stator is the stationary…