实验表明，基于上述控制策略设计的煤矿电机车交流驱动系统性能样机运行可靠、稳定。
The experimental results indicate that according to proposed design principle of AC drive system, the test prototype of coal mine electric locomotive is stable and reliable.
2006年至2008年，中国关停小火电机组3421万千瓦，关闭小煤矿6028处。
Between 2006 and 2008, China has shut down inefficient thermal power plants with a total capacity of 34.21gw, and closed 6028 small coal mines.
告成煤矿升级为煤与瓦斯突出矿井后，将架线电机车改为电瓶车牵引，设计并施工了充电硐室。
After Gaocheng coal mine raising to coal and gas outburst mine, the locomotive with power line is transformed battery locomotive, to construct and design a electrified chamber.
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