Comparison Of Conventional Motor Starters And Modern Power Electronic Starters For Induction Motor

In Induction motor, there is no control on starting current. When the voltage is applied, large starting current produces and drive is subjected to jerks during acceleration. With the variation in the load, voltage is not adjustable hence motor consumes more power than it required. The high starting current often causes problem such as voltage dips and flickering lights. Various motor starters were introduced to overcome this problem. The different motors starters available are discussed and analyzed in this paper; these include both conventional electromechanical starters and electronic starters. The advantages, disadvantages and energy saving features of each type of starter mentioned will also be discussed. An analysis of the industrial applications and the demand of these starters in India are also made and to finally conclude, this paper will also provide a suggestion of which starter is most suitable for an application based on the stated constraints.