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A three-phase distribution network voltage regulation method based on inverter air conditioner

A frequency conversion air conditioner and distribution network technology, applied in the direction of multi-phase network asymmetry reduction, multi-phase network elimination/reduction of asymmetry, photovoltaic power generation, etc., can solve problems such as lack of technical solutions, and achieve the effect of ensuring power quality

Active Publication Date: 2022-08-09
HANGZHOU DIANZI UNIV
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  • Application Information

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Problems solved by technology

However, the existing technology is mainly aimed at providing electric energy storage for air conditioners, and there is a lack of technical solutions for air conditioners to participate in voltage regulation of distribution networks.

Method used

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  • A three-phase distribution network voltage regulation method based on inverter air conditioner
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  • A three-phase distribution network voltage regulation method based on inverter air conditioner

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Embodiment Construction

[0111] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0112] see figure 1 The invention discloses an air-conditioning-based distribution network voltage regulation method, comprising the following steps:

[0113] S10, calculate the power flow and the three-phase unbalance, determine the state of the distribution network, and the power required for the voltage and unbalance adjustment of each node of the distribution network

[0114] S20, according to the state of the air conditioner, use the...

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Abstract

The present invention disclosed a three -phase distribution grid adjustment method based on the frequency conversion air conditioner, including the following steps: S10, which calculates the trend and three -phase imbalances to determine the state of the distribution network, the voltage and imbalance of each node of the distribution network,Adjust the required power S20, according to the state of the air conditioner, use the Affinity Propagation (AP) cluster algorithm to classify the air conditioner to determine the priority of participating in the adjustment; according to the power required and the priority required by the adjustment, determine the required required to adjust the required adjustment requiredThe number of air conditioners and the adjustment power of each one; S40, change the compressed motor frequency of the air conditioner based on the adjustment power; S50, update the room temperature, and prepare the next adjustment.The invention regulates the power distribution network through air -conditioning management to ensure the quality of electrical energy.

Description

technical field [0001] The invention belongs to the field of power electronics, and in particular relates to a three-phase distribution network voltage regulation method based on variable frequency air conditioners. Background technique [0002] With the increasingly severe environmental problems and energy shortages, the state has vigorously promoted changes in the energy consumption structure. In recent years, the photovoltaic and electric vehicle industries have developed rapidly. Since 2011, China, Japan and the United States have begun to vigorously develop the solar photovoltaic industry, which has promoted the rapid development of the global photovoltaic industry. In 2017, the global photovoltaic market developed rapidly. In 2017, the newly installed capacity exceeded 98GW, an increase of 28.95% over the previous year. The global cumulative installed capacity has exceeded 402.5GW, showing a good momentum of development. Traditional markets, such as the United States ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/26H02J3/48H02J3/50
CPCH02J3/26H02J3/48H02J3/50H02J2203/20Y02E40/50
Inventor 谢强强杨胜英虞霖云黄旭丁庆辰华咏竹
Owner HANGZHOU DIANZI UNIV
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