Control method and control system for high voltage power package
A high-voltage power supply and group control technology, applied in power supply technology, electrostatic separation, AC network voltage adjustment, etc., can solve the problems of power consumption, waste of power resources, and high rated input power of high-frequency power supplies
Active Publication Date: 2017-02-22
FUJIAN LONGKING
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Problems solved by technology
Although this mode of operation ensures the dust removal efficiency of the dust collector, due to the high rated input power of the high-frequency power supply configured for each dust collector, it consumes a lot of power resources, and sometimes it is not necessary for the dust collector to operate at the rated power. causing waste of power resources
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[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0058] An embodiment of the present application provides a high-voltage power supply group control method, which is applied to a high-voltage power supply group configured for a dust collector. The high-voltage power supply group includes multiple high-voltage power supplies, and the high-voltage power supply includes a normal operation mode and six energy-saving operation modes. The energy-saving grades of the six energy-saving operation modes increase success...
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The invention discloses a control method and a control system for a high voltage power package. The control method for the high voltage power package comprises the steps of determining a plurality of basic step sequences according to the number of high voltage power supplies, wherein the plurality of basic step sequences comprise step sequence 0 to step sequence N, and the output power of the plurality of high voltage power supplies is sequentially decreased from the step sequence 0 to the step sequence N; dividing the boiler load into a plurality of energy conservation intervals from maximum load to zero load, wherein the plurality of energy conservation intervals from high boiler load to low boiler load sequentially correspond to the step sequence 0 to the step sequence N; acquiring the actual boiler load; adopting the basic step sequence corresponding to the actual boiler load as an adjusting step sequence; and controlling the output power of the plurality of high voltage power supplies according to the adjusting step sequence. According to the control method for the high voltage power package, the electric power resource consumed by the plurality of high voltage power supplies which a dust remover is equipped with is decreased on the basis that the dust removal requirement of a boiler is met, and the waste of the electric power resource is avoided.
Description
technical field [0001] The present application relates to the technical field of power control, and more specifically, relates to a control method and a control system for a high-voltage power supply group. Background technique [0002] Dust emission from boiler equipment is one of the main sources of air pollution. Equipping dust collectors for boiler equipment is an effective way to avoid dust emission into the air. [0003] Each precipitator needs to be equipped with multiple high-voltage power supplies to provide it with working power. Taking the electrostatic precipitator as an example, the structure of the electrostatic precipitator is a double-row double-chamber five-electric field, with a total of 20 high-frequency power supplies (model: 2.0A / 72KV), each rated power is 174KW. Then the rated input power of these 20 high-frequency power supplies is 174KW×20=3480KW; taking the wet electrostatic precipitator as an example, its structure is a single-row single-chamber f...
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IPC IPC(8): B03C3/68H02J3/12
CPCB03C3/68H02J3/12
Inventor 钱云亮郑国强董庆武黄成鑫
Owner FUJIAN LONGKING