Electric Vehicle Motor Controller Pdf

200kw ac motor controller for electric car.

Electric vehicle motor controller pdf.

Electric cars are the future and are beginning to take off today. In 24 a proportionalintegral pi controller is implemented to improve the battery performance of electric motor vehicle. Control of electric vehicle qi huang jian li and yong chen university of electronic science and technology of china p r china 1. The dc electric motor controller speed controller interprets the battery to the electric motor.

The controller transforms the battery s direct current into. However they are still pretty expensive. A 3 phase ac motor is the absolute standard for car companies when they make an electric vehicle. The cost of the components is a few hundred.

At the same time dc motor has larger drive system narrow speed control range low energy density which limit the usage of dc motor in ev applications only some electric bicycle use the dc motor. The electric vehicle controller is the electronics package that operates between the batteries and the motor to control the electric vehicle s speed and acceleration much like a carburetor does in a gasoline powered vehicle. It can take any voltage up to 144v and the peak current is 500 amps. 1 demonstrates a system model for an electric vehicle.

As the throttle is increased the motor controller output power increases the speed and or torque. The tesla roadster nissan leaf. Dc motor is the simplest motor which uses mechanical brush commutation prone to wear and tear the failure rate is high and difficult to maintain. Introduction the major components of an electric vehicle sy stem are the motor controller power supply charger and drive train wry 2003.

Nidec has been developing a new growth platform with a major focus on commercial and industrial businesses. Homemade 100 hp motor controller for an electric car. 4 nidec motor is a leading japanese manufacturer of motors and control equipment for industrial use home appliances and consumer products. The company has several production and sales bases in china mexico america and england.

At the same time there is also demand for high performance control circuit technology that provides functions linked directly to the basic power performance of hevs and evs by features such as drive torque control motor speed control and energy regeneration control enabled by communication with vehicle controllers while enabling features. Some controllers can also put some energy back into the battery called regenerative breaking xct and nct models. Our motor controller for electric vehicle is designed to drive different types of motors including bldc pmsm and ac induction motors.