目前国内变频器市场几乎被国外产品垄断,国内变频器的研究虽然起步并不晚,但是由于各种原因,国产变频器并没有得到大规模的应用,其关键是产品的可靠性。华为TD2000系列变频器将可靠性作为最重要的技术要求,在可靠性设计和测试上做了大量工作。 At present, the domestic inverter market is almost monopolized by foreign products. Although the study of domestic inverters is not too late, due to various reasons, the domestic inverters have not been applied in a large scale. The key is the reliability of the products. Huawei TD2000 series inverter reliability as the most important technical requirements, reliability design and testing done a lot of work.