Introduction to Power Electronics

Power Electronics for ECE students

Power electronics converts electrical power from one form to another. A lot of energy is wasted during this power conversion process due to the efficiency conversion of low power. It is estimated by the students of top BTech colleges Rajasthan that power wasted in desktop PCs sold in one year is equivalent to seventeen 500MW power plants. Therefore, it is very important to improve the efficiency of these power conversion systems.

The electric machine is an electromechanical energy conversion device that works and delivers power to the load. The same electric machine can operate as a motor to convert electrical power to mechanical power directly. And also, can operate as a generator to convert mechanical power to electrical power. The electric machine is related with the power electronic converter and the related controller makes the motor drive. The power electronic converter is made of solid-state devices that handles power from the source to the motor input terminals.

A research has been conducted by the students of Electronics and Communication Engineering Colleges which shows that the area of electric machines and drives is focused on design optimization. It uses 2D and 3D finite element analysis. And also drives design at the systems level by considering operating requirements and control opportunities. It seeks innovations in machine configurations, motor control concepts, noise, parameter identifications, vibration analysis. However, motor drives are designed to make the system more efficient, smoother in operation, fault tolerant, smaller and matched to the applications. Modeling and design tools are developed to fulfil the machine design and drive development efforts.

Electric Vehicle Systems

Within a single century, the demand for private automobiles has been increased. It is projected that the need for personal mobility among the students of best BTech colleges in Rajasthan will grow even faster, as large numbers of people are lifted out of poverty in developing countries and demand transportation. Emissions from oil-burning automobiles blocks our air and contribute to global warming. Due to this, finding an alternative to oil for private transportation is imperative. Although several alternatives can propel a car, only electricity is readily available.

With the introduction of electric propulsion, a completely new drivetrain is introduced in the vehicle which requires multidisciplinary research into system components. The Electric vehicle system is comprised of power electronics converters, electric motor, and energy storage devices like batteries. Additionally, the overall system must be optimized to maximize overall system efficiency.

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