Electric Drives and Traction Interview Questions 1. What are the requirements of an ideal traction system? The requirements of an
1. Which of the following is an advantage of electric traction over other methods of traction ? (a) Faster acceleration
Electrical Machines Objective Questions & Answers Q.1 The two winding’s of a transformer are (A) conductively linked. (B) inductively linked. (C)
Stepper Motors Objective Questions & Answers 1. A variable reluctance stepper motor is constructed of ______________ material with salient poles.
What is a transformer and how does it work? A transformer is an electrical static equipment designed to convert alternating
How do the new IE efficiency classes compare with the old EFF efficiency classes? The new IS: 12615-2011 defines the
Electrical Machines Questions & Answers 1. Magnetic Circuits Principle of Energy Conversion Excited Magnetic Systems 2. Basic Concepts in Rotating
Why IGBT is very popular nowadays? Lower hate requirements Lower switching losses Smaller snubber circuit requirements What are the different
1. What is electric traction? Electric traction means using the electric power for traction system (i.e. for railways,trams, trolleys etc).
Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and