Dr Rajiv Desai
An Educational Blog
Electric Vehicle, EV (electric car)
Electric Vehicle, EV (electric car): _ The engine of a conventional internal combustion engine car is replaced by an Electric Motor and the fuel tank is replaced by the Battery Pack. Of all the components only the Battery Pack and Electric Motor alone contributes to about more than 50% of the total EV’s weight and the price. __ Section-1 Prologue: A car can be a wonderful thing. It can take you where you want, when you want — even when those places aren’t served by public transportation. In fact, much of modern life would be impossible without cars. They help us get to our jobs, schools, grocery stores or even just to the local shopping mall. Unfortunately, as wonderful as cars are, they also have some serious drawbacks. Two of these drawbacks are that they often cost a lot of money to maintain and they pollute the […]
ELECTRICITY
ELECTRICITY: _ The picture above shows how a barber cuts hair during recent power failure in India. _ Prologue: Electric crematoria were snuffed out with bodies inside, New Delhi’s Metro shut down and hundreds of coal miners were trapped underground after three Indian electric grids collapsed in a cascade on 30th and 31st July 2012, cutting power to 620 million people in India. The blackout engulfed as many as 19 of India’s 28 states on July 31, with more than 100 intercity trains stranded and traffic lights went out in busy roads, causing widespread jams. Without question, it was the largest blackout in world history. Hospitals, factories and the airports switched automatically to their diesel generators during the hours-long cut across half of India. Many homes relied on backup systems of invertors with batteries. On the other hand, millions of India’s poorest had no electricity to lose. Of the […]
