研究目的
Investigating the efficiency and economic value of DC nanogrids compared to conventional AC nanogrids in residential homes, specifically in Auckland, New Zealand.
研究成果
The research concludes that DC nanogrids, especially partial DC nanogrids, offer higher efficiency and economic savings compared to AC nanogrids. However, full DC nanogrids, while highly efficient, are not economically feasible due to high capital costs.
研究不足
Power loss caused by transmission and wires are not considered. Load levels and constraints of appliances are not considered, which could change the study results.
1：Experimental Design and Method Selection:
The study designs partial and full DC nanogrids and compares their efficiencies with a full AC nanogrid using MATLAB Simulink simulations.
2：Sample Selection and Data Sources:
The study is based on a typical residential home in Auckland, New Zealand, considering common electrical appliances.
3：List of Experimental Equipment and Materials:
PV array, boost converter, inverter, rectifiers, buck converters, and utility power supply are used.
4：Experimental Procedures and Operational Workflow:
The simulation involves calculating power for source and loads, comparing efficiencies, and conducting economic evaluations.
5：Data Analysis Methods:
Power efficiency is calculated by comparing the sum power consumption of all loads with the sum of output power from both power sources.
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