Nanosecond pulse superposition direct current power supply device used for plasma ignition

A nanosecond pulse, DC power supply technology, applied in the direction of plasma, electric pulse generator circuit, output power conversion device, etc., can solve the problems of reduced reliability, bulky, reduced power supply volume, etc. The effect of high discharge energy and convenient use
CN106900135AInactive Publication Date: 2017-06-27INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Publication Date
2017-06-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a self-designed-and-constructed power supply device for performing plasma ignition with high-energy nanosecond pulse superposed high voltage direct current, which comprises a DC high voltage power supply, a nanosecond pulse power supply and a nanosecond pulse integrated DC circuit. High voltage DC output and nanosecond pulse output are superposed via nanosecond pulse integrated DC circuit to obtain a nanosecond pulse superimposed DC power supply, applied to the load. The self-designed-and-constructed nanosecond pulse superposed direct current power supply device for performing plasma ignition is small in size, compact in structure and low in cost. The high voltage DC power supply and the nanosecond pulse power supply are integrated, which has the advantages of high discharge energy and device miniaturization and facilitates the usage. In the practical application, the power supply device can be used for internal combustion engine ignition and supersonic-speed airspace engine ignition.
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Description

technical field

[0001] The invention relates to an ignition device, in particular to a nanosecond pulse superimposed DC power supply device for plasma ignition. Background technique

[0002] The plasma generated by nanosecond pulse discharge contains a variety of high-energy particles, with high density, strong activity and high energy, and is widely used in the field of plasma ignition. The power supply device with high discharge energy, integration, and small size plays an important role in promoting the application of plasma ignition.

[0003] Existing plasma ignition devices are limited by many factors. First, the traditional plasma excitation power supply adopts DC or nanosecond pulse power supply. The discharge energy of DC power supply is low and it is difficult to ignite. At a higher value, there is still the problem that the energy of high-energy active particles in the plasma is low or even insufficient to ignite. In addition, many scholars at home and abroad hav...

Claims

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