What happens in the dc shunt motor when the notching process occurs?
(a) flux remains constant
(b) speed remains constant
(c) voltage remains constant
(d) current remains constant
I had been asked this question in an online interview.
The query is from Motor Starters, Calculation of Resistance Steps & Design of Field Regulators in portion Design of Small Electrical Machines, Starters and Field Regulators of Design of Electrical Machines