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The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting (1894)

Martin, Thomas C, Tesla, Nikola · The Electrical Engineer · leaf 38

An illustration from The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting, 1894, leaf 38
coil upon itself , its ends may be connected to two insulated sliding rings , and a continuous current supplied to these from a suitable generator . The proper way to start such a motor is to close the coil upon itself until the normal speed is reached , or nearly so , and then turn on the… … is preponderating , it will start and reach the normal speed . Such a motor will maintain absohrtely the same speed at all loads . It has also been found that if the motive power of the generator is not excessive , by checking the motor the speed of the generator is diminished in synchronism with…

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