And power supply module is used for taking energy from output end of frequency converter

The utility model discloses a power supply module for taking energy from the output end of a frequency converter. The power supply module comprises: a power supply module; wherein the current limitingcircuit, the surge absorbing circuit, the high-speed rectifying circuit, the voltage limiting circuit and the filter circuit are connected between the transformer and the output end of the frequencyconverter in series. Wherein the rectification output and feedback circuit is connected with the output end of the transformer, and the transformer control circuit is used for controlling the transformer according to the voltage of the input end of the transformer and feedback of the rectification output and feedback circuit. The utility model also discloses a motor protection device. Compared with the prior art, electric energy can be stably and reliably obtained from the output end of the frequency converter. 本实用新型公开了一种用于从变频器输出端取能的电源模块。所述电源模块包括：变压器，串接于变压器与变频器输出端之间的限流电路、浪涌吸收电路、高速整流电路、限压电路、滤波电路，与变压器输出端连接的整流输出及反馈电路，以及用于