what happen to a dc series motor if it given as ac supply
accidentaly

Answer Posted / shraddha

if ac supply accidently given to dc series motor, for first
half cycle it run but another negative half cycle it should
be run opposite direction but due to rotor inertia it will
not happend but there is opposite force excerted on rotor &
motor stop this process require fraction of second so it
look like its not running.so motor will not running.

Is This Answer Correct ?    7 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

1396


What is the meaning of HT Trivector Meter ?

1956


how to store the thunder power?

3776


how mass curve differs from hydrograph.

1300


brief notes on ammeters

1539






List the characteristics of filter?

626


What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

638


What is the abbreviation of NGT panel

1513


Single phase and threephase power calculation

1662


If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2044


why we can use 1 to 5V dc

1518


what is inverter and converter

1436


When is lag lead compensator is required?

638


What are conduct on the testing in cf in ur site?

1194


tell me about eletrical contractor

1522