CVR CONTROL METHOD FOR ENERGY REDUCTION IN LOW VOLTAGE DISTRIBUTION NETWORK, AND DEVICE THEREFOR

• Main Authors: LEE, Jin Oh, HWANG, Ji Hui, KIM, Gyeong Hun, LIM, Sae Hwan, YOO, Hyeongjun
• Format: Patent
• Language: English; French; Korean
• Published: 20.04.2023
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; SYSTEMS FOR STORING ELECTRIC ENERGY; TESTING

The present invention relates to a CVR control method in an energy management system, the method comprising the steps of: obtaining a plurality of pieces of measurement data from a plurality of consumer loads linked to a distribution network; estimating a ZIP coefficient for each load on the basis of the obtained plurality of pieces of measurement data; calculating a system load of the distribution network on the basis of the estimated ZIP coefficient for each load; and calculating a reactive power command value for each of distributed power supplies by using an optimization algorithm considering the calculated system load of the distribution network. La présente invention concerne un procédé de commande de CVR dans un système de gestion d'énergie, le procédé comprenant les étapes consistant à : obtenir une pluralité d'éléments de données de mesure à partir d'une pluralité de charges de consommateur liées à un réseau de distribution ; estimer un coefficient ZIP pour chaque charge sur la base de la pluralité obtenue d'éléments de données de mesure ; calculer une charge de système du réseau de distribution sur la base du coefficient ZIP estimé pour chaque charge ; et calculer une valeur d'instruction de puissance réactive pour chacune des alimentations électriques distribuées à l'aide d'un algorithme d'optimisation en tenant compte de la charge de système calculée du réseau de distribution. 본 발명은 에너지 관리 시스템에서의 CVR 제어 방법에 관한 것으로, 배전망에 연계된 복수의 수용가 부하로부터 복수의 계측 데이터를 획득하는 단계; 상기 획득된 복수의 계측 데이터를 기반으로 부하별 ZIP 계수를 추정하는 단계; 상기 추정된 부하별 ZIP 계수를 기반으로 상기 배전망의 계통 부하를 산출하는 단계; 및 상기 산출된 배전망의 계통 부하를 고려한 최적화 알고리즘을 이용하여 분산전원별 무효전력 지령치를 산출하는 단계를 포함한다.