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随着电力电子技术、计算机技术、自动控制技术的迅速发展,交流调速取代直流调速已成为现代电气传动的主要发展方向之一,而异步电动机交流变频调速技术是当今节电,改善工艺流程以提高产品质量和改善环境,推动技术进步的一种主要手段。通用变频器以其优越的调速和起制动性能、高效率、高功率因数和显著的节电效果而广泛应用于风机、水泵等的大、中笼型感应电动机,它被公认为最有发展前途的调速方式。
With the rapid development of power electronic technology, computer technology and automatic control technology, AC speed control instead of DC speed control has become one of the main development directions of modern electric drive. However, AC speed control technology of asynchronous motor is the key factor in today’s power saving and technology improvement Process to improve product quality and improve the environment, promote technological progress as a major means. Universal inverter with its superior speed and braking performance, high efficiency, high power factor and significant energy-saving effect is widely used in fans, pumps and other large, medium-cage induction motor, it is recognized as the most Promote the pace of development.