Abstract: Pantograph arcing with AC supply generates transients, cause asymmetries and distortion in supply voltage and current waveforms and can damage the pantograph and the overhead contact line.
Abstract: Railway vehicles have become a modern transport media day by day. With the development of high-speed trains, this transportation way has been widely used for the transportation of people and ...
The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.
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