Born Jul 10 1856 - Died Jan 7 1943
Patent Number(s) 381,968
Nikola Tesla invented the induction motor with rotating magnetic field that made unit drives for machines feasible and made AC power transmission an economic necessity.
In 1887 and 1888 Tesla had an experimental shop at 89 Liberty Street, New York, and there he invented the induction motor. He sold the invention to Westinghouse in July 1888 and spent a year in Pittsburgh instructing Westinghouse engineers.
Alternating current (AC) became the premier form of electrical energy after it overcame objections by Thomas Edison who designed direct current (DC). Tesla also showcased his invention at the 1893 Chicago World’s Fair where he and Westinghouse won the bid to illuminate the International Exhibition. Alternating current captivated the public with its efficient lighting and lessened heat.
AC has an electric current whose direction reverses cyclically rather than staying in a constant direction like DC. The waveform of AC is also more efficient than the DC. AC is the form in which electricity is carried to homes and businesses.