What are the functions of protective relays To detect the fault and initiate the operation of the circuit breaker to…
What is the main reason for providing metallic sheath in underground cables? The metallic sheath is provided around the insulation…
Please Name some Single-phase induction motors? (i) split-phase type (ii) capacitor type (iii) shaded-pole type Please name two types of…
What is the Three Phase induction motor Working Principle? Like any electric motor, a 3-phase induction motor has a stator…
1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal…
What is primary cell and secondary cell? Battery which can be discharged only once is called primary cell ex: Manganese…
What is derating factor? The factor by which the ratings of component parts are reduced to provide additional safety margins in…
What for series and shunt compensation provided in EHV transmission lines? Series capacitance is provided in EHV lines to artificially…
