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8 Transformer parameters

Introduction Transformers can vary, from a miniature high-frequency audio transformer to a large power transformer,...

Introduction to Tachogenerators

An electromechanical generator is a device capable of producing electrical power from mechanical energy,...

OPERATING LIMITATIONS OF TRANSFORMERS

Transformer Losses (Heat) The efficiency of power transformers is high, especially, for large transformers at...

Difference between primary and secondary cell

The primary cells make use of a chemical process which is not reversible. The...

Working Principle of Lead acid Cell

Introduction Lead acid cell is a secondary cell. That means they can be recharged when...

Difference between Self induced & Mutually induced emf

If an emf is induced without moving either the conductor or the flux, such...

INTRODUCTION TO ELECTROMAGNETIC INDUCTION

Concept of Electromagnetic induction : The phenomenon of electromagnetic Induction was discovered by oersted in...

FUNDAMENTALS OF ALTERNATING CURRENTS

We have dealt so far with cases in which the currents are steady and...

Advantages of A.C. over D.C.

A.C. means alternating current, the current or voltage which alternates its direction and magnitude...

Difference between Electric Circuit & Magnetic Circuit

The difference between Electric Circuit & Magnetic Circuit is given below Also read Star to delta...

The 3 Network theorems

Network theorems : A network consists of three resistors connected in star number of...

Star to delta transformation

Concept of transformation : By the application of kirchoffs laws some problems cannot be solved...