Asynchronous power grid interconnection three-phase imbalance treatment method based on intelligent soft switch
The invention relates to an asynchronous power grid interconnection three-phase imbalance treatment method and device based on an intelligent soft switch. The method comprises the following steps: firstly, acquiring three-phase voltage and current signals of asynchronous interconnected power distrib...
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Format | Patent |
Language | Chinese English |
Published |
02.11.2021
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Abstract | The invention relates to an asynchronous power grid interconnection three-phase imbalance treatment method and device based on an intelligent soft switch. The method comprises the following steps: firstly, acquiring three-phase voltage and current signals of asynchronous interconnected power distribution networks on two sides of a soft switch, decoupling positive and negative sequence voltage and current components with the frequency of omega, and calculating the three-phase unbalance degrees of the power distribution networks on two sides of the soft switch; and then, comparing the three-phase unbalance degrees of the power distribution networks on the two sides, taking the power distribution network with the lower three-phase unbalance degree as a power transmitting end, and transmitting power to the side with the higher three-phase unbalance degree; and finally, according to the three-phase unbalance degrees obtained in real time, changing an SOP control strategy, and repeating the above steps until the th |
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AbstractList | The invention relates to an asynchronous power grid interconnection three-phase imbalance treatment method and device based on an intelligent soft switch. The method comprises the following steps: firstly, acquiring three-phase voltage and current signals of asynchronous interconnected power distribution networks on two sides of a soft switch, decoupling positive and negative sequence voltage and current components with the frequency of omega, and calculating the three-phase unbalance degrees of the power distribution networks on two sides of the soft switch; and then, comparing the three-phase unbalance degrees of the power distribution networks on the two sides, taking the power distribution network with the lower three-phase unbalance degree as a power transmitting end, and transmitting power to the side with the higher three-phase unbalance degree; and finally, according to the three-phase unbalance degrees obtained in real time, changing an SOP control strategy, and repeating the above steps until the th |
Author | CHEN YUJING ZHANG PENG ZHANG GE WANG CHEN ZHANG XIAOTONG KONG LINGCHANG PENG NAN HUANG HONGXU LIANG RUI XU QING WANG YENING |
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DocumentTitleAlternate | 基于智能软开关的非同步电网互联三相不平衡治理方法 |
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Snippet | The invention relates to an asynchronous power grid interconnection three-phase imbalance treatment method and device based on an intelligent soft switch. The... |
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SubjectTerms | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
Title | Asynchronous power grid interconnection three-phase imbalance treatment method based on intelligent soft switch |
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