Gravity Light is a gravity-powered lamp designed by the company Deciwatt for use in developing or third-world nations, as a replacement for kerosene lamps . It uses a bag filled with rocks or earth, attached to a cord, which slowly descends similar to the weight drive in a cuckoo clock . This action powers the light for up to twenty minutes.
The electric power network has undergone several modifications from the time of its invention. The modern electric power network has many challenges that should be met in order to deliver qualitative power in a reliable manner. There are many factors both internal and external that affect the quality and quantity of power that is being delivered. This chapter discusses the different power quality problems, their causes and consequences. Power Quality : The quality of electric power delivered is characterized by two factors namely-“continuity” of supply and the “quality” of voltage. As indicated by IEEE standard 1100, Power Quality is characterized as- "The idea of controlling and establishing the touchy supplies in a manner that is suitable for the operation of the gear." Power quality Problems There are many reasons by which the power quality is affected. The occurrence of such problems in the power system network is almost indispensable. Therefor...
Tesla, Inc. (formerly Tesla Motors, Inc. ) is an American automotive and energy company based in Palo Alto, California . The company specializes in electric car manufacturing and, through its SolarCity subsidiary, in solar panel manufacturing. It operates multiple production and assembly plants, notably Gigafactory 1 near Reno, Nevada , and its main vehicle manufacturing facility at Tesla Factory in Fremont, California . As of June 2018, Tesla sells the Model S , Model X and Model 3 vehicles, Powerwall and Powerpack batteries, solar panels , solar roof tiles , and related products. Tesla Semi The Tesla Semi is an all-electric Class 8 semi-trailer truck first mentioned in the 2016 Tesla Master plan. Production is slated to begin in 2019. The vehicle's official announcement was at a November 16, 2017 press conference where two prototypes were shown. Musk confirmed that the range would be 500 miles and that the zero to 60 mph time would be 5 seconds versus 15 sec...
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