1. What do you know about transmission ? 2. How a power plant works ? 3. How power is generated ? 4. How is power supplied to customers ? 5. What are sub stations ? 6. Mention some equipment , devices used in S/S 7. Diff between isolator and CB 8. Diff between Relay and circuit breaker 9. Types of CB

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Accepted Answer

This question is related to electrical engineering and power transmission.

Transmission refers to the movement of electrical energy from power plants to substations.
Power plants generate electricity by converting various energy sources like coal, natural gas, or nuclear energy into electrical energy.
Power is generated through the process of electromechanical conversion, where mechanical energy is converted into electrical energy.
Power is supplied to customers through a network of transmission lines and distribution systems.
Substations are facilities that transform high voltage electricity from transmission lines to lower voltage levels for distribution.
Some equipment and devices used in substations include transformers, circuit breakers, isolators, relays, and meters.
An isolator is a mechanical switch used to isolate a circuit from the power supply, while a circuit breaker is an automatic switch that protects the circuit from overloads or faults.
Relays are electrical devices that sense abnormal conditions in a circuit and activate the circuit breaker to protect it.
Different types of circuit breakers include air circuit breakers, oil circuit breakers, vacuum circuit breakers, and SF6 circuit breakers.

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