Energy management system and method for minimizing the power purchase cost of microgrid using the same

The present invention relates to a method for an energy management system to calculate the cost of purchasing electricity in a microgrid. The method includes the steps of: predicting a first amount of power to be generated by an energy generating device constituting the microgrid; predicting a secon...

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Bibliographische Detailangaben
Hauptverfasser:	CHOI SEUNGHWAN, KIM JUNSUNG, KO JONGMIN, OH YOONSUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CALCULATING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRICITY GENERATION PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The present invention relates to a method for an energy management system to calculate the cost of purchasing electricity in a microgrid. The method includes the steps of: predicting a first amount of power to be generated by an energy generating device constituting the microgrid; predicting a second amount of power to be used in a load constituting the microgrid; and calculating the minimum electricity purchase cost to purchase at a main grid which provides power to the microgrid or an adjacent microgrid adjacent to the microgrid. Therefore, it is possible to stably operate the energy in the microgrid. 에너지 관리 시스템이 마이크로그리드의 전력 구매 비용을 계산하는 방법으로서, 마이크로그리드를 구성하는 에너지 생성 장치에서 생성될 제1 전력량을 예측하고, 마이크로그리드를 구성하는 부하에서 사용될 제2 전력량을 예측한다. 그리고 예측한 제1 전력량과 제2 전력량을 토대로 마이크로그리드 내 전력 부족이 예측되면, 마이크로그리드로 전력을 제공하는 메인 그리드 또는 마이크로그리드에 인접한 인접 마이크로그리드에서 구매할 최소 전력 구매 비용을 계산한다.