Electrical Wiring System in Car

Electrical Wiring System in Car

Electrical Wiring System in Car with single Wire.Car Electrical Wiring System.



Today we are going to learn a very important and interesting Topic Electrical Wiring System in Car.
If I ask that what type of power supply(AC or DC) used in Car. Some of the people will say that DC and some of the people will say AC but I will say that both AC and DC. I have tried to convince you the basic concepts of Electrical Wiring System in Car in this article. 

Remember that I describe the Electrical Wiring System in Mechanically Driving Cars, not Electric Cars. I already posted the article How Do Electrical Cars work?


The parts of the Electrical Wiring System in Car:

  • Battery.
  • Charging System.
  • Alternator
  • Self Starter
  • Ignition System.
  • Lighting and others Auxilliary equipment system.

Battery:

If you do not know then know that each car has the battery of 12V or 24V. Most of the modern cars have the 12V battery. Now you can ask that if the cars mechanically drive then why they have Battery? The answer is for the starting system, Ignition System, lighting system battery is required.




The charging system in Car:

As the cars have the battery so the charging system is required. For the charging the battery the car has an alternator which is connected with the Engine. When the car is running the alternator generates AC power supply which is used to charge the battery after rectification. The rectifier is installed inside the alternator. The alternator also has a relay mechanism inside it that disconnected the battery from the alternator when the battery is fully charged.




Engine Starting system in Car:

A DC motor is also used to starts the engine taking power supply from the battery which is known as the self-starter. 


Ignition System in Car:

As we know for the operation of Engine a spark is needed inside the cylinder of the Engine at the appropriate time. Ignition system increase the battery voltage approximately more than 20KV to produce the Spark.


Lighting and others Auxilliary equipment system:

You may see Light and many other auxiliary items like heating and ventilation systems, electrically-operated windows, door-locking actuators, are installed in the Car. For the operation of this equipments Electric Power supply is needed which is taken from the alternator and the battery.


Electrical Wiring System in Car with single Wire:

I hope you have understood the parts of the car electric wiring system. Now we will discuss Electrical Wiring System in Car with single Wire. You may see the lights and others equipment are connected with a single wire. I mean, as we know each electric load needs two wires one positive wire and one negative wire, but in the car, each load is connected through one wire only positive wire and the other terminal is connected to the body of the car.





Electrical Wiring System in Car with single Wire.Car Electrical Wiring System.






In the car, the metallic body is used as a conductor that is the negative wire or return wire. The negative terminal of the battery is connected to the body of the car and the negative terminal of each load also connected to the body of the car. Thus the circuit is completed by the metallic body of the car.

Now you can say why the metallic body of the car is used as the return conductor. There is some reason of use the metallic body of the car as the return conductor which are given below.


Why the body of the Car is used as the Return Conductor?


  1. Less conductor required.
  2. As less conductor required the circuits will be simple.
  3. Easily a fault can be detected.
  4. A high amount of current can flow through it so we do not need thick conductors.



Electrical Wiring System in Car-You must know, car electrical wiring system



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Electrical Wiring System in Car Electrical Wiring System in Car Reviewed by ETechnoG on 18:08 Rating: 5
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