Wednesday, 25 June 2025

Working principle of genrator

 Generator Working Principle (Simple Explanation):


A generator works on the principle of electromagnetic induction, discovered by Michael Faraday. It converts mechanical energy into electrical energy.



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🔧 Basic Working Principle:


> When a conductor (like a copper wire) moves through a magnetic field, an electric current is generated in the conductor.





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⚙️ Main Components:


1. Rotor (or Armature): Rotating part (usually with a coil)



2. Stator: Stationary magnetic field (permanent magnet or electromagnet)



3. Prime Mover: Engine or turbine that rotates the rotor



4. Slip Rings/Commutator: Transfers current from the moving part to external circuit



5. Brushes: Maintain electrical contact with the rotating coil





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🔄 Working Steps:


1. Mechanical energy (from diesel engine, water turbine, etc.) rotates the rotor.



2. The rotor moves conductors (coils) inside a magnetic field.



3. Due to motion in the magnetic field, voltage is induced in the coils (Faraday’s Law).



4. The generated voltage causes current to flow in the external circuit.





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🔋 Types of Generators:


Type Output Use


AC Generator (Alternator) Alternating Current Power stations, vehicles

DC Generator Direct Current Battery charging, small DC devices




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