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why we use sinosidal voltage / current instead of others in system?
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............
Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
where is the need for short circuit test for 3 see is required and why? can you explain in brief with application
What is the diff. between single compression and double compression gland
Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar
What is the use of Surge Capacitor in LAVT?
Wt is the function of reactive power? How it generates & consume though resultant is zero?
how technical is calculated in 11kv line and lt line
Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?
what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm
WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?
What should be the height of basement according to NBCC code?
