High-power power supply multi-mode rectification power circuit for direct current electric arc heater

Abstract

The invention relates to a high-power power supply multi-mode rectification power circuit for a direct current electric arc heater, and relates to the technical field of power electronic rectification. The high-power power supply multi-modal rectification power circuit includes two sets of identical rectification power circuits and direct current switch cabinets; the two sets of rectification power circuits are connected in parallel between an external 10KV high-voltage power supply and direct current switch cabinets; each set of rectification power circuit includes a high-voltage switch cabinet, a three-split rectifier transformer, a low-voltage power input cabinet, a rectification power cabinet and an arc-stabilizing reactor, wherein the high-voltage switch cabinet, the three-split rectifier transformer, the low-voltage power input cabinet , the rectification power cabinet, the arc-stabilizing reactor and the direct current switch cabinet are connected in sequence; one end of the high-voltage switch cabinet is connected with the external 10KV high-voltage power supply; and one end of the arc-stabilizing reactor is connected with the direct current switch cabinet. The high-power power supply multi-mode rectification power circuit provides multi-modal current and voltage output, can meet the running of different forms of direct current electric arc heaters, and can also meet the running of a high-power 50MW-magnitude direct current electric arc heater.

Description

technical field [0001] The invention relates to the field of electric power electronic rectification technology, in particular to a multi-mode rectification power supply circuit powered by a high-power DC arc heater. Background technique [0002] During the process of the spacecraft passing through the atmosphere, the high-speed friction will make its surface materials withstand the external environment such as high temperature and high pressure. In order to prevent aerodynamic heating from causing damage or even destroying the spacecraft and causing serious accidents, the arc heating plasma wind tunnel is an effective means for spacecraft atmospheric environment simulation experiments, mainly providing high temperature and high pressure conditions for aerospace reentry vehicle aerodynamic environment simulation experiments. It uses the high temperature of the arc to heat the gas, and can provide the screening, ablation and ablation shape change experiments of spacecraft hea...

AI Technical Summary

Problems solved by technology

At present, there is no related technology to achieve high voltage and high power at the same time

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