To insure reliable operation and safe motion, the soft start, the overvoltage, overcurrent, and overheating protection are installed at the system.
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。
A simple circuit breaker delivers precision overvoltage protection and overcurrent protection.
一个简单的电路断路器提供精密过压和过流保护。
The paper analyzes the major reasons of overvoltage and overcurrent occuring to program-controlled digital users exchanger, and discusses the protection methods against overvoltage and overcurrent.
本文分析了程控数字用户交换机过压过流产生的主要原因，并讨论了过压过流的保护方法。
The paper analyzes the major reasons of overvoltage and overcurrent occuring to program-controlled digital users exchanger, and discusses the protection methods against overvoltage and overcurrent.
本文分析了程控数字用户交换机过压过流产生的主要原因，并讨论了过压过流的保护方法。
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