由于双电源自动转换开关(atse)具有使用安全、转换迅速、无需值守的特点，近年来得到了广泛的应用。
Recently, automatic transfer switching equipment (ATSE) is widely applied because of its safety, fast switching and without man on duty.
双电源系统是重要电力负荷安全运行的有效保障，而电源转换开关是连接两个电源的重要枢纽。
System of dual power supply is the effective guarantee of safety operation for some important power users.
双电源系统是重要电力负荷安全运行的有效保障，而电源转换开关是连接两个电源的重要枢纽。
System of dual power supply is the effective guarantee of safety operation for some important power users.
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