Question 246Electricity/Electronics - QMED70% to pass
In DC motor construction, where are the commutating windings wound?
AI Explanation
The correct answer is B) interpoles.
In a DC motor, the commutating windings are wound on the interpoles, which are small auxiliary poles placed between the main poles. The purpose of the commutating windings is to create a magnetic field that helps commutate the current in the armature windings, ensuring a smooth and efficient transfer of power from the armature to the external circuit.
The other options are incorrect because: A) the main poles are responsible for the main magnetic field, not the commutating windings; C) the commutating windings are not wound on the adjacent main poles; and D) the commutating windings are not wound on the rotor core, but rather on the interpoles.
Related Questions
#244 In DC motor construction, with regard to the individual armature coils' ends, which statement is true? #245 What is the function of the commutator associated with a DC motor? #247 Which of the following statements describes what will happen when both the polarity of the field poles, and the direction of current to the brushes of a DC motor are reversed? #248 The counter EMF of a DC motor is maximum when the _______________.#249 What will happen if you reverse both the field and the armature connections of a DC propulsion motor?