open circuit characteristics

Open circuit characteristics (O.C.C.)

Open circuit Characteristics (OCC) The curve that depicts the relationship between the field current (If) at constant speed and the ...
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Synchronous Generator – Construction & Working Principle

Synchronous Generator – Construction & Working Principle

Synchronous Generator – Construction and Working Principle Through the process of Electromagnetic Induction, Synchronous Generators Transform Mechanical power into AC ...
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Relationship between frequency and speed

Relationship between frequency and speed

Relationship between frequency and speed When there are two poles, one full rotation will result in one full pulse for ...
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EMF Equation of Alternator

Alternator and Synchronous Generator EMF Equation

Alternator and Synchronous Generator EMF Equation An alternator or synchronous generator (also known as AC generator or dynamo) is a ...
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Fundamental Principles of AC Machines

Fundamental Principles of A.C. Machines

Fundamental Principles of AC Machines The Fundamental Principles of AC Machines operation is this: A three-phase set of currents, flowing ...
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Braking of DC Motor

Braking of DC Motor

Braking of DC Motor: Either mechanical braking or electrical braking can be used to quickly stop a running motor. Mechanical ...
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Hopkinson Test

Hopkinson Test

Hopkinson Test Another effective technique for evaluating a DC machine's efficiency is Hopkinson's Test (Hopkinson Test). It is a full ...
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swinburne test

Swinburne Test of DC Machine

Swinburne Test of DC Machine - Swinburne's test of DC shunt and compound wound DC machines is the straightforward and ...
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Three Point Starter

Three Point Starter, Construction and Working Principle

A motor starter's primary responsibility is to start and stop the motor to which it is connected. Starters are specially ...
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