Basics Of Electrical Engineering Notes

Basics Of Electrical Engineering-Helpful to understand more about Electrical 

In this blog, top 10 electrical questions are discussed about energy, electrical energy, power plant, Main component helps in power distribution, current transformer, voltage transformer, generation of electricity, resource of electrical energy, substation, the function of the substation, electrical equipment installed in substation.

1. What is energy?

Energy can neither be created nor be destroyed, but it can be converted from one form to another.

2. How electricity is generated?

The generation of electricity is nothing but the conversion of various forms of energy into electrical energy.

3. What is the resource for energy conversion?

There are two types of energy resource conventional energy resource and non-conventional energy resource.

• Conventional energy resource.

Coal, Oil, Water, Nuclear power, etc are useful for one time or cannot be reusable.

• Non-conventional energy resource.

Tidal, Wind, Solar, etc. It exists for a long time and it is reusable.

4. What is called Power plant?

It is the place where electrical energy is generated in bulk to fulfill the load demand.

5. What is the main component used to full fill the demand of load?

Transmission and distribution are two main components used to fulfill the demand of the load. Electric current flow from generating station or power plant to the consumer through transmission and distribution.

6. What is substation and explain its function?

A substation is a place where numerous electrical components installed. A substation, Power is controlled for transmission and distribution purposes.

7. Name some of the electrical components installed in substation?

Electrical components installed in the substation are Surge Arrester, Circuit breaker, Dis-connector, Earthing switch, Power transformer, Busbar, Instrument transformer, control, and protective equipment, etc.

8. Explain the classification of substation?

a) Based on the Voltage level.

• Extra High voltage, High voltage, Medium voltage, and Low voltage.

b) Based on Operation.

1. Power Evacuation substation.
2. Transmission substation.
3. Switching substation.
4. Distribution substation.

c)Based on the Insulating medium.

1. Air-insulated outdoor substation.
2. Sf6 gas insulated substation
3. Hybrid substation (a combination of air and sf6)

9. What is the current transformer?

The transformer used to step-down current at the rating of  5A or 1A for measurement and protection purposes. It is the type of "Instrument transformer".

10. What is the voltage transformer?

The transformer used to the step-down voltage at the rating of 110v for measuring and protection purposes. It is the type of "Instrument transformer ".