what is the difference between transformer,converter and transducer
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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..............
why we get 2 differnet values for power factor in 2 watt meter method in 3 phase
How to select the releases for MCCB ?
can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.
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From stability point of view,What(higher/lower) should be the value of inertia constant of rotating machines?
At a family reunion were the following people: one grandfather, one grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law, and one daughter-in-law. But not as many people attended as it sounds. How many were there ?
ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine
can u tell me the promotion from oiller to enginer
why do transformer make a sound
In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)
why ups rated in kva