is dc shunt moter oprate on ac? if no why? if yes how?
- 8 Answers
- 15649 Views
- IOCL, JJJ, Power Grid, I also Faced
- E-Mail Answers
Answer Posted / shekhar
NO,in dc motors when ac given to the armature IT CONVERTS IT INTO DC and produces a stationary armature magnetic field,if ac is aplied o the shunt field it will produce alternating field which will produce torque in opposite torque in alternate half cycles so avg. torque will b zero.
| Is This Answer Correct ? | 3 Yes | 4 No |
Post New Answer View All Answers
Define cut-off rate?
what are the basic insulation levels & what its Unit
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???
What is the difference between single point and double point bonding. please kindly detail about bonding of cables.
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
Why strting torqe high in inducation motor?
Why is better to have a minimum ceiling voltage of 250% than 160%?
how can i get an electrical c-certificate?
Why are cables rated for 40 KA for 0.25 Sec fault current rating?
What are the disadvantages of autotransformer?
Define load factor?
what is relay what is protection & contact multiplying relays where it is used function in brief
When we use 3 terminal resistor?
How to back charge the Gas turbine generator
