Tap changers on transformers
Tap changers on transformers
Tap changers on transformers The modern electrical equipments are designed to operate satisfactorily at one fixed v…
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Short-circuit Test
Alternator Tests
ALTERNATOR TESTS To find the regulation of an alternator, armature resistance, open-circuit characteristics and short-circuit short characteristi…
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Transformer on No-Load
Transformer on No-Load An ideal Transformer is one that has no core losses and copper lossers. But in practice it is very difficult to get an ideal …
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principle of working of a Transformer
What is the Working Principle of a Transformer ? The transformer works on the principle of faraday'…
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single phase Transformers
introduction of a Transformer
introduction The electric power is generated, transmitted and distributed in the form of alternating current (A.C). The e…
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Methods of Improving Commutation
Methods of Improving Commutation There are two methods of improving commutation i.e. of making current reversal in the short circuited coil as s…
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Electric Iron
Electric Iron Principle: An electric iron is a general household appliance used to press the wrinkles out of the clothes. This work on the basic of…
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Tools required for testing of domestic appliances
Tools required for testing of domestic appliances
Tools required for testing of domestic appliances Most of the defects in electrical appliances can be found by visual examination, but some types…
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winding of a Transformer
Windings The windings are made with copper conductors and are placed on the cores. The winding which is connected to supply is known as primary and…
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