August 2011
Beginner
724 pages
20h 32m
English
Content preview from Basic Electrical and Electronics Engineering
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6
Transformers
TOPICS DISCUSSED
Applications of transformers
Basic principle of transformers
Constructional details
EMF equation
Transformer on no load and on load
Phasor diagrams
Circuit parameters
Equivalent circuit
Losses and efficiency
Regulation
All-day efficiency
Basic tests on transformers
6.1 Introduction
Electricity is generated in power houses. Power houses are situated at distant places wherefrom the generated power is to be taken to industries, commercial centres, residential colonies, and villages. The generators used in power houses generate electricity at a particular voltage. Normally the generation voltage is 11,000 V or 11 kV. Electricity is transmitted from the place of generation to the place of its use through electrical ...
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