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- Electrical
Introduction to Tachogenerators
An electromechanical generator is a device capable of producing electrical power from mechanical energy, usually the turning of a shaft.…
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OPERATING LIMITATIONS OF TRANSFORMERS
Transformer Losses (Heat) The efficiency of power transformers is high, especially, for large transformers at full load. However, losses are…
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Difference between primary and secondary cell
The primary cells make use of a chemical process which is not reversible. The cells have to be replaced after…
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Working Principle of Lead acid Cell
Introduction Lead acid cell is a secondary cell. That means they can be recharged when cell is discharged.let’s look in…
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Difference between Self induced & Mutually induced emf
If an emf is induced without moving either the conductor or the flux, such an In transformers and reactors static…
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INTRODUCTION TO ELECTROMAGNETIC INDUCTION
Concept of Electromagnetic induction : The phenomenon of electromagnetic Induction was discovered by oersted in 1820. Later faraday tried and…
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FUNDAMENTALS OF ALTERNATING CURRENTS
We have dealt so far with cases in which the currents are steady and is in one direction; this is…
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Advantages of A.C. over D.C.
A.C. means alternating current, the current or voltage which alternates its direction and magnitude every time. Now a days 95%…
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Difference between Electric Circuit & Magnetic Circuit
The difference between Electric Circuit & Magnetic Circuit is given below Also read Star to delta transformation The 3 Network…
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The 3 Network theorems
Network theorems : A network consists of three resistors connected in star number of branches or circuit elements, considered as…
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