which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.
wat is the difference between BE &BTECH.8 6761
what is meant by ceiling voltage, ceiling current?? pl reply asap4 15861
How regulator control the fan speed?4 19437
generaly all power generating devices is expressed in KVA or MVA then why power ststion is expressed in MW6 9394
Can anyone tell me how a 12v battery is transformed to 20,000v at the spark plug6 9557
What is the difference between reciprocating & rotary motors in AC units, which is the best one in terms of operation.2 9482
how to select cable size?7 17545
what is the different betweem earthing and neutral?8 6842
Using 11000V/433V,3 ph,50Hz,500 KVA, what is the maximum capacity of motor in KW that can be connected and started at a single moment? Also explain about any calculations and formulas used in deriving the same.4 4460
What is the fault or needs to be done when frequency in ac drives is not changing?
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
Control wiring of a dol starter for forward and backward
What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.
why is the power generator connected as star earthed or star earthed through reactance and what its features ?
How to decide and select the different earthing wire size for the different types of earthing
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
difference between high and low impedance BUS BAR relay??
Why using synchronising methed in DG's sets?
why effective resistance should be more than static resistance in transmission line?
I need HT sphere gap calibration table. Can any body help me.
Where can I get CPWD electrical specifications & Shedule of rates? Please help me
what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?
HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?
what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing