变频器的保护环节是保证其安全可靠运行的关键之一。
The protective link of the frequency converter is one of the key links which guarantee its safe and reliable performance.
常用的保护环节有短路、过流、过载、过压、失压、弱磁、超速和极限保护等。
The commonly used protection link has the short circuit, the overflow, the overload, has pressed, loses presses, the weak magnetism, overspeed and the limit protection and so on.
本系统为确保可靠工作和安全运行，设置了软起动、过电压、过电流和过热等保护环节。
To insure reliable operation and safe motion, the soft start, the overvoltage, overcurrent, and overheating protection are installed at the system.
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