Concept Notes 1. Thermal Power Stations A thermal power station converts heat energy of fuel (mainly coal, oil, or gas) into electrical energy. Main Process: Block Diagram Flow:Fuel →...
Concept Notes 1. Introduction An alternator is a synchronous generator that converts mechanical energy into AC electrical energy using the principle of electromagnetic induction.It is the heart of power...
Concept Notes 🔹 What is a Transformer? A transformer is a static electrical machine which transfers AC power from one circuit to another without change in frequency but with...
Concept Notes 1. AC Voltage & Current In alternating current (AC), voltage and current vary sinusoidally with time: Where: 2. R, L, C Elements in AC (a) Resistor (R)...
Concept Notes 1. Construction of a DC Generator A DC generator converts mechanical energy into DC electrical energy. The main parts are: Working Principle: 2. EMF Equation of a...
Concept Notes 1. Ohm’s Law Ohm’s Law states that the current flowing through a conductor between two points is directly proportional to the potential difference across the two points,...