High-energy-efficiency electric drive coal bed gas fracturing system

The invention discloses a high-energy-efficiency electric drive coal bed gas fracturing system, and belongs to the technical field of coal bed gas. The high-energy-efficiency electric drive coal bed gas fracturing system comprises movable rechargeable battery sources, coal bed gas fracturing trucks, an electric quantity monitoring module, a power supply switch and a controller, and one movable rechargeable battery source is controlled through one power supply switch so as to supply power to the coal bed gas fracturing truck connected with the movable rechargeable battery source or stop supplying power to the coal bed gas fracturing truck connected with the movable rechargeable battery source; the controller is connected with the electric quantity monitoring modules and the power supply switches and used for controlling on-off of the power supply switches according to information transmitted by the electric quantity monitoring modules. According to the high-energy-efficiency electric drive coal bed gas fractur