一级负荷中特别重要的负荷 Vital Load in First Grade Load 双重电源 Duplicate Supply 应急供电系统（安全设施供电系统）electric supply systems for safety serivres ..
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双重动态电源管理 Dual Dynamic Power Management ; DDPM
支持双重动态电源管理 DDPM ; Dual Dynamic Power Management
双重动态电源管理技术 Dual Dynamic Power Management
电子、机械双重保护，开盖后自动切断电源，增加了使用和维护的安全性、稳定、可靠性。
Double protection of electronic and mechanical, automatic cut off power after opening, increase the use and maintenance of security, stability, reliability.
提出了一种新型的双重单端正激式弧焊逆变电源，采用IGBT为开关器件，引入了电流型脉宽调制控制器。
A new double single-ended forward arc welding power inverter with IGBT as power device and current PWM controller is introduced in this paper.
电子、机械双重保护，开盖后自动切断电源，增加了使用和维护的安全性、稳定、可靠性。
Electronic, mechanical dual protection, open cover automatically cut off power supply, increased the use and maintenance of security, stability and reliability.
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