High-voltage side electric field and mechanical energy composite energy taking device and method

The invention discloses a high-voltage side electric field and mechanical energy composite energy taking device, and relates to the technical field of smart power grids, and the device comprises a high-voltage side energy taking module which obtains high-voltage side electric field energy and mechanical energy, and converts the high-voltage side electric field energy and mechanical energy into AC electric energy; and the power supply management module is used for carrying out rectification, voltage reduction, filtering and voltage stabilization processing on the converted alternating-current electric energy and then supplying power to the power grid state monitoring device. The invention further provides a high-voltage side electric field and mechanical energy composite energy taking and power supply method. An electric field energy source is alternating current electric field energy generated by load current in a power grid, mechanical energy mainly comes from wind energy and raindrop energy in the natural e