Method and system for drop point selection and capacity configuration of flexible DC back-to-back device

The invention discloses a method for drop point selection and capacity configuration of a flexible DC back-to-back device. The method includes: determining an initially configured line of the flexibleDC back-to-back device by calculating the power transmission capacity of a dual-dual channel cross-s...

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Hauptverfasser:	TANG XIAOJUN, LI CHENGHAO, LI ZAIHUA, SHEN XUHUI, GUO CHANGHUI, ZHANG ZHENGWEI, LI JING, LIU JIANXUN, ZHANG XIN, CHENG XIN, LI XIAOJUN, LI LIXIN, WANG JING, TIAN CHUNZHENG, ZHANG XIAODONG, RAO YUFEI, LUO HONGMEI, HUO QIDI, ZHANG ZHEN'AN, JI PING, ZHANG KAI, SI RUIHUA, XIE YAN, SONG SHAOQUN, LI YUANYUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The invention discloses a method for drop point selection and capacity configuration of a flexible DC back-to-back device. The method includes: determining an initially configured line of the flexibleDC back-to-back device by calculating the power transmission capacity of a dual-dual channel cross-section after configuration of the flexible DC back-to-back device; determining the determined configuration line and capacity of the flexible DC back-to-back device by calculating the short-circuit current of busbars on both sides of the dual-dual channel section after configuration of the flexibleDC back-to-back device; and determining the configured busbar side of the flexible DC back-to-back device by calculating the voltage sensitivity of the busbars on both sides of the dual-dual channelcross-section after configuration of the flexible DC back-to-back device. By constructing a flexible DC back-to-back device at a certain side busbar of the existing dual-dual loop cross-section, cross-section tidal current dist