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1. WO2022004611 - POWER CONVERTER, CONTROL METHOD FOR POWER CONVERTER, POWER SYSTEM, CONTROL METHOD FOR POWER SYSTEM, AND PROGRAM

Publication Number WO/2022/004611
Publication Date 06.01.2022
International Application No. PCT/JP2021/024228
International Filing Date 25.06.2021
IPC
H02J 5/00 2016.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
5Circuit arrangements for transfer of electric power between ac networks and dc networks
H02J 1/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
1Circuit arrangements for dc mains or dc distribution networks
H02J 3/38 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
38Arrangements for parallelly feeding a single network by two or more generators, converters, or transformers
H02M 3/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
CPC
H02J 1/00
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
1Circuit arrangements for dc mains or dc distribution networks
H02J 3/38
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
H02J 5/00
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
5Circuit arrangements for transfer of electric power between ac networks and dc networks
H02M 3/00
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
Applicants
  • 古河電気工業株式会社 FURUKAWA ELECTRIC CO., LTD. [JP]/[JP]
Inventors
  • 力宗 真寛 RIKISO, Masahiro
  • 阿部 飛鳥 ABE, Asuka
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2020-11245630.06.2020JP
2020-18284330.10.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) POWER CONVERTER, CONTROL METHOD FOR POWER CONVERTER, POWER SYSTEM, CONTROL METHOD FOR POWER SYSTEM, AND PROGRAM
(FR) CONVERTISSEUR DE PUISSANCE, PROCÉDÉ DE COMMANDE DE CONVERTISSEUR DE PUISSANCE, SYSTÈME DE PUISSANCE, PROCÉDÉ DE COMMANDE DE SYSTÈME DE PUISSANCE, ET PROGRAMME
(JA) 電力変換器、電力変換器の制御方法、電力システム、電力システムの制御方法及びプログラム
Abstract
(EN) Provided is a power system in which a plurality of power elements are provided, each element comprising: a power converter electrically connected to a commercial AC power grid; and a device electrically connected to the power converter. The power system comprises a control unit that executes primary control on the basis of a reference function having droop characteristics for generating a target value for self-end control of the device by the electric converter in accordance with a voltage measured at the power converter. The power system has a function of secondary control for updating the reference function having the droop characteristics in accordance with a power situation of the plurality of power elements. A control cycle of the primary control and a control cycle of the secondary control differ.
(FR) L’invention concerne un système de puissance dans lequel une pluralité d’éléments de puissance sont installés, chaque élément comprenant : un convertisseur de puissance connecté électriquement à un réseau électrique en CA commercial ; et un dispositif connecté électriquement au convertisseur de puissance. Le système de puissance comprend une unité de commande qui exécute une commande primaire sur la base d’une fonction de référence ayant des caractéristiques de chute destinée à générer une valeur cible pour la commande d’arrêt autonome du dispositif par le convertisseur électrique conformément à une tension mesurée au niveau du convertisseur de puissance. Le système de puissance a une fonction de commande secondaire destinée à actualiser la fonction de référence ayant les caractéristiques de chute conformément à une situation de puissance de la pluralité d’éléments de puissance. Un cycle de commande de la commande primaire et un cycle de commande de la commande secondaire diffèrent.
(JA) 交流の商用電力系統に電気的に接続された電力変換器と前記電力変換器と電気的に接続された機器とを備えた電力要素が、複数設けられ、前記電力変換器が、前記電力変換器の計測した電圧に応じて前記機器を自端制御する際の目標値を生成するドループ特性を有する参照関数に基づいて一次制御を実行する制御部を備えた電力システムであり、前記電力システムが、複数の前記電力要素の電力状況に応じて前記ドループ特性を有する参照関数を更新する二次制御の機能を有し、前記一次制御の制御周期と前記二次制御の制御周期が異なる。
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