利索-全球专利检索

  1. 登录
  2. 注册
实用新型
CN209250484U 一种吸收电路、中点箝位型三电平电路及逆变器 有权 转让

一种吸收电路、中点箝位型三电平电路及逆变器
摘要：
本申请提供了一种吸收电路、中点箝位型三电平电路及逆变器，其中，该吸收电路包括：第一输入端、第二输入端和吸收模块；第一输入端的一端与第一IGBT模块连接；第二输入端的一端与第二IGBT模块连接；吸收模块包括：在第一输入端的另一端和第二输入端的另一端之间顺序串联的电容C1与二极管D11，在第一输入端的另一端和任一母线之间顺序串联的二极管D12和电阻R1；其中，二极管D11的阳极与电容C1的一端连接，二极管D11的阴极与第二输入端的另一端连接；二极管D12的阴极与第一输入端的另一端连接，二极管D12的阳极与电阻R1连接。本申请实施例通过第一输入端、第二输入端和吸收模块，组成吸收电路，可以保障电路中各个元器件的安全性，使得电路安全运行。
摘要（英）：

The utility model provides an absorption circuit, a neutral point clamping type three-level circuit and an inverter, and the absorption circuit comprises a first input end, a second input end, and anabsorption module. One end of the first input end is connected with the first IGBT module; one end of the second input end is connected with the second IGBT module; the absorption module comprises a capacitor C1, a diode D11, a diode D12 and a resistor R1, wherein the capacitor C1 and the diode D11 are sequentially connected in series between the other end of the first input end and the other endof the second input end, and the diode D12 and the resistor R1 are sequentially connected in series between the other end of the first input end and any bus. Wherein the anode of the diode D11 is connected with one end of the capacitor C1, and the cathode of the diode D11 is connected with the other end of the second input end; the cathode of the diode D12 is connected with the other end of the first input end, and the anode of the diode D12 is connected with the resistor R1. According to the embodiment of the utility model, the absorption circuit is formed by the first input end, the second input end and the absorption module, so that the safety of each component in the circuit can be guaranteed, and the circuit operates safely.

0/0