摘  要：本文论述了合康HIVERT高压变频器在煤矿行业上的改造与应用，介绍在煤矿供水和用水方面和主通风机上的典型应用，论述了同步电机变频调速技术的的启动投励过程、煤矿主通风机的变频调速原理和系统解决方案。

关键词：恒压供水；高压变频控制；主通风机；工作原理

Abstract: This paper discusses a system and application of Hiconics HIVERT high voltage inverter in coal industry. Specific application is in the coal mine water supply and water and the application of the main fan. Synchronous motor variable frequency speed regulation technology is discussed, and the start-up process of excitation. V