1890年,经营直流电气的爱迪生电灯公司与力主发展交流电事业的西屋电气公司,为争夺北美尼亚加拉瀑布水力发电工程,就直流和交流输电式谁优谁劣的问题,展开了一场激烈的战争。这场论争,在科技史上称为“交直流战争”。1882年,爱迪生电灯公司在伦敦建立了世界上 In 1890, Westinghouse Electric Company, which operated the direct current electrical company, and the Westinghouse Electric Company, which advocated the development of the alternating current business, waged a fierce war on the issue of who is superior or inferior to the DC and AC transmissions for the Niagara Falls hydropower project in North America. This debate is known as the “AC and DC War” in the history of science and technology. In 1882, Edison Electric Company established the world in London