Analysis of partial load loss of the PCS and internal storage battery loss in residential PV power generation and storage battery systems

This study aims to quantify the amount of loss due to partial load of power conditioning system (PCS) and internal loss of storage battery in residential photovoltaic (PV) power generation and storage battery system by using home energy management system (HEMS) data. After identifying the configurat...

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Bibliographic Details
Published in:	Electronics and communications in Japan Vol. 107; no. 2
Main Authors:	Yamada, Manaka, Nishio, Ken‐Ichiro
Format:	Journal Article
Language:	English
Published:	Hoboken Wiley Subscription Services, Inc 01-06-2024
Subjects:	Battery chargers efficiency Energy management partial load Photovoltaic cells photovoltaic power generation system Power conditioning power conditioning system Residential energy Solar power generation Storage batteries storage battery
Online Access:	Get full text
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Summary:	This study aims to quantify the amount of loss due to partial load of power conditioning system (PCS) and internal loss of storage battery in residential photovoltaic (PV) power generation and storage battery system by using home energy management system (HEMS) data. After identifying the configuration of the PV power generation and storage battery system, HEMS data on PV power generation, household demand, storage battery charging, storage battery discharging, purchased power and sold power were extracted and analyzed according to the research purpose. As a result, the loss due to partial load of the PCS and the average internal loss of the storage battery were quantified. In addition, it was confirmed that a more realistic system simulation could be performed by considering the impact of the partial load of the PCS and the average internal loss of the storage battery.
Bibliography:	IEEJ Transactions on Power and Energy (Denki Gakkai Ronbunshi B). of Translated from Volume 144 Number 2, pages 139–147, DOI 10.1541/ieejpes.144.139
ISSN:	1942-9533 1942-9541
DOI:	10.1002/ecj.12452