A high voltage and high power charge and discharge circuit

Abstract

The invention discloses a high-voltage and large-power charge-discharge circuit. The high-voltage and large-power charge-discharge circuit comprises a primary energy storage device, a charging circuit, a secondary energy storage device, a voltage-multiplying discharging circuit and a control module, wherein an input end of the charging circuit is connected to a first output end of the primary energy storage device, an input end of the secondary energy storage device is connected to a first output end of the charging circuit, an input end of the voltage-multiplying discharging circuit is connected to a first output end of the secondary energy storage device, the charging circuit is used for transferring energy in the primary energy storage device to the secondary energy storage device, thevoltage-multiplying discharging circuit is used for releasing the energy in the secondary energy storage device to a load so as to generate pulse waveform, and the control module is used for monitoring voltage, current and temperature states of a battery unit in the primary energy storage device, detecting a current of an inductor in the charging circuit and a voltage of the secondary energy storage device, performing closed-loop control on the secondary energy storage device, controlling conduction states of two thyristor valves in the charging circuit during charging and controlling conduction states of two thyristor valves in the voltage-multiplying discharging circuit during discharging.

Description

technical field [0001] The invention belongs to the technical field of high-voltage and high-power charging and discharging, and more specifically relates to a mobile high-voltage and high-power charging and discharging circuit. Background technique [0002] Since the second industrial revolution, the development of electric power technology has greatly improved the production and life of human society. However, if electric power-related scientific research or technical activities, such as launching electromagnetic guns, are carried out in areas that are off the grid, so far, it is still difficult. There are many inconveniences, and these practical scientific and technological activities put forward higher requirements for the continuity and mobility of electric power technology. [0003] In order to be able to carry out a series of scientific research and technical activities related to electricity in areas off the grid, a high-voltage and high-power charging and dischargin...

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Problems solved by technology

[0006] Aiming at the defects of the prior art, the purpose of the present invention is to provide a high-voltage and high-power charging and discharging circuit, which aims to solve the problems of the prior art that cannot work continuously for many times in a short period of time and the system stability is poor

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