Special active filter for rail transit based on Internet of Things and control system

The utility model belongs to the field of traffic control systems, and provides an active filter special for rail transit based on Internet of Things and a control system, the active filter comprises a main controller, and a driving board, a power module, a sampling circuit and a communication module which are connected with the main controller; the sampling circuit comprises a voltage sampling circuit and a current sampling circuit. The current sampling circuit comprises a current transformer and a current Hall sensor. 本实用新型属于交通控制系统领域，提供了一种基于物联网的轨道交通专用有源滤波器及控制系统，该有源滤波器包括：主控制器，以及连接主控制器的驱动板、功率模块、采样电路和通信模块；所述采样电路包括电压采样电路和电流采样电路，所述电流采样电路包括：电流互感器和电流霍尔传感器。