Electrical Machines
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Automatic UPS / Inverter Connection Diagram to the Home Panel Board
Automatic UPS System Wiring Circuit Diagram (One Live Wire & Ordinary Wiring) Automatic UPS / Inverter Connections In case of an emergency breakdown when utility power is unavailable from the…
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How to Connect Automatic UPS / Inverter to the Home Supply System?
Automatic Inverter / UPS System Connection & Wiring Circuit Diagram Introduction to Automatic Inverter / UPS Wiring Power failure and emergency breakdown may happen any time due to short circuit, damage…
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EMF Equation of an Alternator and Synchronous Generator
EMF Equation of an Alternator and AC Generator An alternator or synchronous generator (also known as AC generator or dynamo) is a device which converts mechanical energy into electrical energy. In…
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What is an Ideal Transformer? Circuit, Working & Phasor Diagram
Ideal Transformer and Practical Transformer Ideal Transformer An ideal transformer is an imaginary transformer with zero ohmic, magnetic leakage, copper and core losses. In other words, an ideal transformer is…
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Will a D.C Shunt Motor operate on an A.C Supply?
The Shunt winding has a large number of turns so that it has appreciable inductance. When A.C is applied to a shunt motor, the large inductive reactance of shunt winding…
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What is the Difference Between Power Transformers and Distribution Transformers?
Main Difference between Power Transformer and Distribution Transformer The working principle of all transformers is the same i.e. electromagnetic induction whereas design, function, purpose of applications and winding configurations differentiate…
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Transformer Nameplate Data – Explain the Rating and Features
General Requirements of a Transformer Nameplate to Show the Characteristics Following are the minimum information and data printed on a transformer nameplate from the designer and manufactures. The standards require…
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Why are Generators and Alternators Rated in kVA, Not in kW?
Why is an Alternator or Generator Rated in kVA, Not in kW? As we already know that why is a transformer rated in kVA instead of kW, same is the case…
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Why is a Transformer Rated in kVA, but Not in kW?
Why are Transformer Always Rated in kVA instead of kW? As the name suggests, a transformer only transfers power from one circuit to another without changing the value of power and…
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