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发明公开
CN106230251A 一种直流电源的EMC性能提升装置 无效 - 驳回

一种直流电源的EMC性能提升装置
摘要：
本发明公开了一种直流电源的EMC性能提升装置，包括直流滤波单元，还包括浪涌抑制单元、防反接电路单元和RC充电回路单元；所述浪涌抑制单元、直流滤波单元、防反接电路单元和RC充电回路单元依次连接。本发明具有可有效抑制尖峰浪涌电压，既能防止电路过流、又能避免后级电路过压损坏，满足电压暂降、适时中断和电压变化抗扰度要求，电路结构简单、可靠性高、集成度高、安装方便、成本节约等优点。
摘要（英）：

The invention discloses an EMC performance improving device of a DC power supply. The EMC performance improving device comprises a DC filtering unit, a surge suppressing unit, an anti-reversal-connection circuit unit and an RC charging loop unit. The surge suppressing unit, the DC filtering unit, the anti-reversal-connection circuit unit and the RC charging loop unit are successively connected. The EMC performance improving device performs functions of effectively suppressing peak surge voltage, preventing circuit over-current, preventing overvoltage damage of a back-grade circuit, and satisfying requirements in voltage temporary drop, intermediate interruption and voltage change resistance. Furthermore the EMC performance improving device has advantages of simple circuit structure, high reliability, high integration degree, high convenience in mounting, high cost saving effect, etc.

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