How a Universal motor works in Both A.C and D.C? What is
the constructional difference with other single phase
motors?
Answer Posted / k.prakashchandra
It has field and armature in series and armature is with
commutator and brushes.
Is This Answer Correct ? | 4 Yes | 2 No |
Post New Answer View All Answers
Can RCD's used to protect the VVVF drive if not why.
What is non-minimum phase transfer function?
what is EIB lighting control system? what is the advantages of this system?
a simple c++ program to calculate simple interst with its data members as private
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
What are the functions of different probes used in cro?
where can the transformer having vector group Yny0 be used??
What is the most important precaution in any experiment with d.c. Shunt motor?
IN 1000kva transformer where the oil and winding temperature sensors is connected
What the difference between ac and dc inductor an capacitor
Explain what is rated speed?
some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?
Is neutral transformer can be called as control transformer?
I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?
why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?