Phase sequence self-adaptive grid-connected control method and system of chain type SVG (Static Var Generator) device
The invention discloses a phase sequence adaptive grid-connected control method and system for a chain type SVG device, and the method comprises the steps: 1), obtaining a three-phase line voltage inputted by the SVG device, and obtaining a three-phase phase voltage synchronization signal; 2) taking...
Gespeichert in:
Hauptverfasser: | , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
container_end_page | |
---|---|
container_issue | |
container_start_page | |
container_title | |
container_volume | |
creator | DAI QIANQIAN ZHU QILIANG TANG JIANYU HE CHENGZHAO XU WANLIANG ZHOU CHANGWANG |
description | The invention discloses a phase sequence adaptive grid-connected control method and system for a chain type SVG device, and the method comprises the steps: 1), obtaining a three-phase line voltage inputted by the SVG device, and obtaining a three-phase phase voltage synchronization signal; 2) taking the three-phase phase voltage as the input of a software phase-locked loop, performing voltage phase sequence judgment by using d-axis and q-axis components of the voltage output by the software phase-locked loop, if the voltage phase sequence is a negative sequence, exchanging any two-phase voltage, and adjusting the three-phase voltage to be a positive sequence; 3) acquiring data of the three-phase current and the three-phase synchronous voltage of the SVG during high-voltage switching on of the SVG; 4) obtaining a corresponding line sequence relation between the three-phase synchronous voltage and the three-phase input voltage according to the data of the SVG three-phase current and the three-phase synchronous |
format | Patent |
fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN116073391A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN116073391A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN116073391A3</originalsourceid><addsrcrecordid>eNqNi8EKgkAURd20iOofXrtaCIlQtAwpW0VguI3HzDUHdMZmnoJ_n0Ef0OqcxTnzqL_XHEAB7x5WfaWpYtbciRlAL290rJy1UAJNk4l3DbWQ2mliqymMQdCSq0jVbCzJ2IGKMqdNISxGUcmeclh4Fue3pDEYhWU0q7gJWP24iNaX8yO7xujcE6FjNR3yzG5Jst8d0vSYnNJ_mg9YOEQM</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Phase sequence self-adaptive grid-connected control method and system of chain type SVG (Static Var Generator) device</title><source>esp@cenet</source><creator>DAI QIANQIAN ; ZHU QILIANG ; TANG JIANYU ; HE CHENGZHAO ; XU WANLIANG ; ZHOU CHANGWANG</creator><creatorcontrib>DAI QIANQIAN ; ZHU QILIANG ; TANG JIANYU ; HE CHENGZHAO ; XU WANLIANG ; ZHOU CHANGWANG</creatorcontrib><description>The invention discloses a phase sequence adaptive grid-connected control method and system for a chain type SVG device, and the method comprises the steps: 1), obtaining a three-phase line voltage inputted by the SVG device, and obtaining a three-phase phase voltage synchronization signal; 2) taking the three-phase phase voltage as the input of a software phase-locked loop, performing voltage phase sequence judgment by using d-axis and q-axis components of the voltage output by the software phase-locked loop, if the voltage phase sequence is a negative sequence, exchanging any two-phase voltage, and adjusting the three-phase voltage to be a positive sequence; 3) acquiring data of the three-phase current and the three-phase synchronous voltage of the SVG during high-voltage switching on of the SVG; 4) obtaining a corresponding line sequence relation between the three-phase synchronous voltage and the three-phase input voltage according to the data of the SVG three-phase current and the three-phase synchronous</description><language>chi ; eng</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; SYSTEMS FOR STORING ELECTRIC ENERGY</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230505&DB=EPODOC&CC=CN&NR=116073391A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230505&DB=EPODOC&CC=CN&NR=116073391A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DAI QIANQIAN</creatorcontrib><creatorcontrib>ZHU QILIANG</creatorcontrib><creatorcontrib>TANG JIANYU</creatorcontrib><creatorcontrib>HE CHENGZHAO</creatorcontrib><creatorcontrib>XU WANLIANG</creatorcontrib><creatorcontrib>ZHOU CHANGWANG</creatorcontrib><title>Phase sequence self-adaptive grid-connected control method and system of chain type SVG (Static Var Generator) device</title><description>The invention discloses a phase sequence adaptive grid-connected control method and system for a chain type SVG device, and the method comprises the steps: 1), obtaining a three-phase line voltage inputted by the SVG device, and obtaining a three-phase phase voltage synchronization signal; 2) taking the three-phase phase voltage as the input of a software phase-locked loop, performing voltage phase sequence judgment by using d-axis and q-axis components of the voltage output by the software phase-locked loop, if the voltage phase sequence is a negative sequence, exchanging any two-phase voltage, and adjusting the three-phase voltage to be a positive sequence; 3) acquiring data of the three-phase current and the three-phase synchronous voltage of the SVG during high-voltage switching on of the SVG; 4) obtaining a corresponding line sequence relation between the three-phase synchronous voltage and the three-phase input voltage according to the data of the SVG three-phase current and the three-phase synchronous</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi8EKgkAURd20iOofXrtaCIlQtAwpW0VguI3HzDUHdMZmnoJ_n0Ef0OqcxTnzqL_XHEAB7x5WfaWpYtbciRlAL290rJy1UAJNk4l3DbWQ2mliqymMQdCSq0jVbCzJ2IGKMqdNISxGUcmeclh4Fue3pDEYhWU0q7gJWP24iNaX8yO7xujcE6FjNR3yzG5Jst8d0vSYnNJ_mg9YOEQM</recordid><startdate>20230505</startdate><enddate>20230505</enddate><creator>DAI QIANQIAN</creator><creator>ZHU QILIANG</creator><creator>TANG JIANYU</creator><creator>HE CHENGZHAO</creator><creator>XU WANLIANG</creator><creator>ZHOU CHANGWANG</creator><scope>EVB</scope></search><sort><creationdate>20230505</creationdate><title>Phase sequence self-adaptive grid-connected control method and system of chain type SVG (Static Var Generator) device</title><author>DAI QIANQIAN ; ZHU QILIANG ; TANG JIANYU ; HE CHENGZHAO ; XU WANLIANG ; ZHOU CHANGWANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116073391A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>DAI QIANQIAN</creatorcontrib><creatorcontrib>ZHU QILIANG</creatorcontrib><creatorcontrib>TANG JIANYU</creatorcontrib><creatorcontrib>HE CHENGZHAO</creatorcontrib><creatorcontrib>XU WANLIANG</creatorcontrib><creatorcontrib>ZHOU CHANGWANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DAI QIANQIAN</au><au>ZHU QILIANG</au><au>TANG JIANYU</au><au>HE CHENGZHAO</au><au>XU WANLIANG</au><au>ZHOU CHANGWANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Phase sequence self-adaptive grid-connected control method and system of chain type SVG (Static Var Generator) device</title><date>2023-05-05</date><risdate>2023</risdate><abstract>The invention discloses a phase sequence adaptive grid-connected control method and system for a chain type SVG device, and the method comprises the steps: 1), obtaining a three-phase line voltage inputted by the SVG device, and obtaining a three-phase phase voltage synchronization signal; 2) taking the three-phase phase voltage as the input of a software phase-locked loop, performing voltage phase sequence judgment by using d-axis and q-axis components of the voltage output by the software phase-locked loop, if the voltage phase sequence is a negative sequence, exchanging any two-phase voltage, and adjusting the three-phase voltage to be a positive sequence; 3) acquiring data of the three-phase current and the three-phase synchronous voltage of the SVG during high-voltage switching on of the SVG; 4) obtaining a corresponding line sequence relation between the three-phase synchronous voltage and the three-phase input voltage according to the data of the SVG three-phase current and the three-phase synchronous</abstract><oa>free_for_read</oa></addata></record> |
fulltext | fulltext_linktorsrc |
identifier | |
ispartof | |
issn | |
language | chi ; eng |
recordid | cdi_epo_espacenet_CN116073391A |
source | esp@cenet |
subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
title | Phase sequence self-adaptive grid-connected control method and system of chain type SVG (Static Var Generator) device |
url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-25T16%3A49%3A39IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=DAI%20QIANQIAN&rft.date=2023-05-05&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN116073391A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |