WHAT IS MEANT BY vfd(VARIABLE FREQUENCY DRIVE )HOW CAN WE APPLY VFD TO MOTOR ? I WANT FULL DETAIL IF ANYBODY KNOW THE WEBSITE FOR THAT PLZ SEND .THANK U

how we can improve P.F. by using capacitors ?

define displacement & magnitude ?

what is meant by armature reaction & where its happen ?

how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

what is the difference between squirrel cage & slip ring induction motor?

College School Exams Tests, NTPC, Ramyaa Electro Gear,

why we using capacitor in single phase motor ?

hi friends iam collecting details about motor,generator & transformer so send some web links to about motor,generator & transformer ,please help me .i need your help.thank u

define reluctance motor & its operation ?whether its operating single phase or three phase ?

dear friends plz send link about reluctance & universal motor .thank u

pls send link about servo motor

what is meant by servo motor ? how its operating either AC or DC?

what is the difference between Miniature circuit breaker & motor control circuit breaker ?

As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

What are the types of relay ?