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What are the applications of electric traction?
In the 1950s, due to the resurgence of the World War II, the wave of railway traction power technology reform was launched around the world. Electric traction was first widely adopted in some countries such as Europe, the former Soviet Union, and Japan. Due to the obvious technical and economic advantages of electric traction, the world oil crisis emerged in the 1970s, which has greatly promoted its development. By the end of the 1980s, the above-mentioned major countries had reached an electrified railway that accounted for about 1/4 to 1/3 of the total railway mileage of the country, and assumed the total turnover of passengers and cargo transportation of 2/5 to 3/4.
During this period, the high-power, high-speed, high-performance AC with a shaft power of more than 1000 kW has been continuously flowing an AC-driven electric locomotive and a thyristor rectifier electric locomotive. It has been successfully put into commercial operation and promoted high-speed railway and heavy-duty transportation of electric traction. Development has enhanced the competitiveness of railway transportation and aviation and road transportation.
The railway operation practice in many countries shows that traction electrification has become the direction of railway technology reform and an important step in realizing railway modernization.