Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
what is the chemical name and formula of refrigarent R-134a.
10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)
why are distributed windings generally used in alternators?
why fractional pitch winding generally used in alternators?
How is the connection of the tap changer on the HV side been made?
how to calculate power consumption in slip ring motor at different step
How the PF control while running DG set with load
what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor
For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?
In parallel operation time both NGR’s close or not close if both close what will happen
How to design the NGR Resistance
explain the Trip supervision circuit
Why in ESP Positive earthed
Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing