what is the function of commutator in dc motor?
Answer Posted / kalaimagal
In dc motor actually dc supply will be given as source for
excitation.the function of commutator is to convert the ac
supply to dc supply,it same as rectifier function.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.
WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?
What are linear and non-linear systems?
How PADO software increase the efficiency of power plant?
What are the three constants associated with a steady state error?
Bimetal strip used in overload relay what is that,which types of material used for that & percentage.
we have 3 single phase transformers. how will we generate 6 supply from 3 phase supply input
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
How to work definite,over pluxing,revers power,OSR relay
what is protection class current transformer.
How do you select the pickup value of the relay?
can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)
placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!
what is a reactive power? what is the relation with power factor?
How can we convert 11 kv to 440 volt without using transformer ?