Integrated highly-reliable magnetic suspension energy storage flywheel digital control device

Abstract

The invention discloses an integrated highly-reliable magnetic suspension energy storage flywheel digital control device, which is a device capable of controlling a magnetic suspension energy storage flywheel system motor and an electromagnetic bearing, and comprises an interface circuit, a field programmable gate array (FPGA) system, a magnetic bearing control power module, a motor control powermodule, a magnetic suspension energy storage flywheel system, and a sensor circuit, wherein the FPGA system acquires a magnetic bearing rotor displacement signal, a rotation speed signal, a magnetic bearing coil current, a motor winding current, and the like through the interface circuit. On one hand, the FPGA system performs active control on the electromagnetic bearing according to the magneticbearing rotor displacement signal, the magnetic bearing coil current and the rotation speed signal; on the other hand, the FPGA system controls the rotation speed of the flywheel according to a rotation speed instruction, the motor winding current and the rotation speed signal. By the invention, integrated design of a magnetic bearing digital controller and a motor digital controller is realized,the integration level and reliability of magnetic suspension energy storage flywheel system controller is improved, the volume and weight are reduced, and the power consumption of the controller is lowered.

Description

Technical field: [0001] The invention relates to an integrated high-reliability magnetic suspension energy storage flywheel digital control device, which is used for actively controlling the magnetic suspension energy storage flywheel system, and is especially suitable for low power consumption, high reliability, high integration and other occasions. Background technique: [0002] Magnetic levitation energy storage flywheel is a new generation of physical energy storage device, which has the advantages of high power, high energy storage density, green environmental protection, strong anti-interference and fast response speed, etc. It has been gradually applied in the world , and will become the preferred energy storage method for a new generation of large-scale energy storage devices in my country. [0003] At present, the electromagnetic bearing and the flywheel motor of the magnetic levitation energy storage flywheel system are controlled separately by two sets of control s...

AI Technical Summary

Problems solved by technology

[0004] The technical solution problem of the present invention is: to overcome the shortcomings of the existing magnetic suspension energy storage flywheel control system that the electromagnetic bearing and the flywheel motor are controlled separately, the control system is large in volume, large in power consumption, and low in reliability of hardware and software, and provides an integrated Highly reliable magnetic levitation energy storage flywheel digital control device

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