The invention discloses an alternating current charging device suitable for a new energy microgrid, and belongs to the technical field of application of microgrids and electric vehicle charging facilities. Comprising a filtering system, a leakage protector, an intelligent electric meter, a control system, an AC-DC conversion system and a DC signal acquisition system. According to the application, parameters such as charging voltage, current, electricity consumption, temperature, grounding state and the like in the micro-grid can be acquired at any time, a port is reserved, data receiving, transmitting and exchanging with the network communication module can be carried out, the application range of the device is greatly widened, and the safety of the device is improved; the filtering system is provided with an active filtering unit and a passive filtering unit, harmonic waves of most frequency bands in the micro-grid can be suppressed, the adaptability of the device to various harmonic wave environments of the micro-grid is improved, and the problems that an active filter is insufficient in power and poor in impact resistance are solved. The direct-current signal acquisition system adopts a Buck circuit and is combined with a current sampling and amplifying chip, so that the current quality is visually monitored.
本发明一种适用于新能源微电网的交流充电装置,属于微电网与电动汽车充电设施应用技术领域;包括滤波系统、漏电保护器、智能电表、控制系统、交直流转换系统及直流信号采集系统;本申请可以随时采集微电网内部充电电压、电流、使用电量和温度、接地状态等参数,并预留端口,可与网络通信模块进行数据的收发与交换,极大地拓宽了装置的适用范围,提高了装置的安全性;滤波系统设计了有缘滤波单元与无源滤波单元,可抑制微电网内部大部分频段的谐波,提高了本装置对微电网各种谐波环境的适应度,并解决了有源滤波器功率不足、抗冲击能力不强的问题;直流信号采集系统采用Buck电路与结合电流采样放大芯片,对电流质量进行直观监测。
Alternating current charging device suitable for new energy microgrid
一种适用于新能源微电网的交流充电装置
2024-05-07
Patent
Electronic Resource
Chinese
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