The production of Rotating magnetic field in 3 phase supply is very interesting. When a 3-phase winding is energized from a 3-phase supply, a rotating magnetic field is produced. This …
46. The windings for an alternator are I. 36 slots, four poles, span 1 to 8 II. 72 slots, six poles, span 1 to 10 III. 96 slots, six poles, …
Part 1Part 2Part 3Part 4Part 5 31. In order to reduce the harmonics in the emf generated in an alternator (A) slots are skewed (B) salient pole tips are chamfered …
31. The type of starting relay used on single phase hermetic motor is (A) hot wire relay (B) timing relay (C) current coil relay (D) voltage coil relay (E) any …
Part 1Part 2Part 3Part 4Part 5 16. Single phase motors are commercially manufactured up to A 1 H.P. B 2 H.P. C 5 …
Speed control of dc motor is achieved using different methods. There are three types of dc motors. For each of them, there are different methods of speed control. Each of …
Although a far greater percentage of electric motors in service are ac motors, the dc motor is of considerable industrial importance. The principal advantage of a dc motor is that its speed …
The different methods of speed control in DC shunt motors are explained below, Flux Control Method Armature Control Method Voltage Control Method Multiple Voltage Control Ward Leonard System Related Topic …
A three phase induction motor has two main parts stator rotor. The rotor is separated from the stator by a small air-gap which ranges from 0.4 mm to 4 mm, …
Nervous about an upcoming Electrical Engineer interview? Check out this well-curated list of frequently asked Electrical interview questions and answers. 1. What is a 2 phase motor? A two-phase motor …
