Pulse power circuit for electrostatic precipitation and design method

Abstract

The invention publishes a pulse high-voltage power circuit and design method thereof. The pulse high-voltage power circuit includes coupling inductors, a resonance inductor, a coupling capacitor, a load capacitor, a load resistor, a thyristor switch and an anti-parallel diode, and a direct current power supplies. The circuit is supplied with power by the direct current side direct current power supply and the pulse side direct current power supply, the pulse side direct current power supply is connected with the first coupling inductor, the other end is connected with the resonance inductor, the other end of the resonance inductor is connected with the thyristor and the anti-parallel diode first and is then connected to the ground, the direct current side direct current power supply is connected with the second coupling inductor, the other end is connected with the load capacitor, the load resistor is connected with the load capacitor in parallel, and the coupling capacitor is connected between the first and second coupling inductors. The invention is suitable for the design of a pulse high-voltage circuit for electrostatic precipitation, forms a novel circuit design method aiming at pulse high-voltage circuit topology, solves the problem of load voltage trailing caused by inaccurate traditional design method and unreasonable design parameter design, and can effectively adjust a waveform scheme according to load, thereby improving power supply stability and dust collection efficiency.

Description

Technical field [0001] The invention relates to a pulse power supply circuit, in particular to the circuit design of a novel pulse power supply for electrostatic dust removal, and belongs to the technical field of environmental protection equipment. Background technique [0002] With the rapid development of China's industrialization process, environmental pollution is also increasing. After entering the 21st century, the country has paid more attention to the increasingly serious problem of air pollution, and issued various air emission standards accordingly. Traditional electrostatic precipitators can no longer meet the existing emission standards, and the innovation of electrostatic precipitators has become inevitable. Among them, the high-voltage power supply system is the key to the working effect of the electrostatic precipitator. Because the traditional power frequency power supply and high frequency power supply are both constant current power supplies, high specific re...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the above-mentioned technical defects, and propose a design method of a new type of pulse high-voltage power supply, by dividing the working state into pulse resonance and load oscillation, the parameters of the circuit are sequentially designed, and the traditional design method is overcome. Consider the problem of load oscillation to realize the efficient operation of the dust collector

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