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Electric Vehicles

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Because they use a large battery and an electric motor, all vehicles are referred to as battery cars. The large traction batteries are used to power the electric engine that plugs into charging stations. Also known as Electric Vehicle Supply System (EVSE), it does not require a tailpipe. There are no liquid components like fuel or pumps. It is therefore lightweight, easy to use, and simple to repair.

These are the key components of an Electric Vehicle:

  1. Batteries
  2. Charge Port
  3. DC/DC converter
  4. Electric Traction Motor
  5. Charger for Onboard
  6. Power Electronics Controller
  7. Thermal System
  8. Traction Battery Pack
  9. Transmission

Auxiliary Batterie

There are two types of batteries in an electric vehicle. There are two types of batteries in an Electric Vehicle. One is the primary battery (traction battery), and the other is the secondary battery. Accessories are powered using electricity from the auxiliary. It powers the Computer System, Headlights, Audio System, some quintessential sensors, and other functions. It is used in conjunction with the main battery to reduce its load. It is also a safety aid and a 12V lithium battery. In an accident, it reduces the risk of damaging complex electronics by cutting off the supply.

Charge Port

The charge port allows an electric vehicle to draw power from an external source to charge the traction battery pack. Although the charging port is a simple device that transfers power, it is complex. The company’s vision will determine whether they prefer an open-source or closed-source system. There are currently three main charging ports: Type-1, Type-2 and Tesla. Type-1 and Type-2 have identical functionality and support four charging modes – 2 AC or 2 DC. The only difference is in the design. Type-1 is CHAdeMO Standard, while type-2 is SAEJ1772. Both systems can charge an electric vehicle upto 80% in 20 minutes. They are completely incompatible.

DC/DC Converter

This device converts higher power from the traction battery to lower power DC power to run vehicle accessories and charge the auxiliary batteries. A converter’s power is determined by the vehicle’s characteristics, such as top speed and acceleration time of 0-100 km/h. Weight, maximum torque, and power profile, such as peak, continuous, or continuous power. The power of a converter for a consumer vehicle is generally 20KW, but it can go up to 100KW, depending on the specifications.

Electric Traction Motor

The vehicle’s wheels are driven by an electric traction engine using power from the battery pack. This traction motor converts electrical energy into mechanical energy. The traction battery pack propels the vehicle wheels. However, it is much more complicated than a normal motor. Traction motors require frequent start/stop, high rate of acceleration/deceleration, high torque on low speed- hill-climbing, low torque high speed- cruising, and a much wide range of speed options. In contrast, industrial motors are generally optimized at certain speeds at rated conditions. Traction motors are unique and deserve to be considered the best in their field.

Onboard Charger

An onboard charger’s primary function is to convert the power from AC to DC, which can then be used to charge the traction battery. It communicates with the charging equipment and monitors battery health. It checks the charge temperature, voltage and current flow, and the status of charging the traction battery. It is important to minimize the weight of the onboard charger, which will be permanently mounted inside the vehicle. Efficiency is also important. There are many other benefits, such as less energy loss, less space to house the thermal cooling system and reduced weight. The onboard charging system allows the electric vehicle to receive a charge via an AC grid system. It allows the user to be flexible and plays an important part in the Electric Vehicle.

 

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