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China's new highland locomotive passes test

(People's Daily)

16:04, March 27, 2012

Edited and translated by People's Daily Online

China’s independently developed HXD1C electric locomotive for high-altitude operations recently passed a ground-based automatic phase separation test on the Xining-Golmud section of the Qinghai-Tibet Railway.

Ground-based automatic phase separation technology is the best choice for ensuring safe, accurate, and efficient transportation on heavily loaded high-altitude electrified railways. It is based on various advanced applied technologies in the fields of high-voltage electric equipment, automation, and synchronous closing.

The test was jointly carried out by the Department of Science and Technology and the Department of Transportation under the Ministry of Railways, the Qinghai-Tibet Railway Company, and China Academy of Railway Sciences.

The HXD1C locomotive’s system monitoring, high- and low-voltage electric equipment insulation, and other technologies are suitable for the Qinghai-Tibet Plateau, ensuring enough traction, automatic phase separation, and safe and reliable operations of the traction power supply system.

It is the world’s first ground-based automatic phase separation test in high-altitude areas, marking China has mastered the technology for manufacturing compatible alternating current (AC) electric locomotives.

Read the Chinese version at


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