Physical Architecture and Model-Based Evaluation of Electric Power System with Multiple Homes

Yoshihiko SUSUKI  Ryoya KAZAOKA  Takashi HIKIHARA  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E96-A   No.8   pp.1703-1711
Publication Date: 2013/08/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E96.A.1703
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Nonlinear Problems
power system,  architecture,  model,  bifurcation,  uncertainty,  system-level design,  

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This paper proposes the physical architecture of an electric power system with multiple homes. The notion of home is a unit of small-scale power system that includes local energy source, energy storage, load, power conversion circuits, and control systems. An entire power system consists of multiple homes that are interconnected via a distribution network and that are connected to the commercial power grid. The interconnection is autonomously achieved with a recently developed technology of grid-connected inverters. A mathematical model of slow dynamics of the power system is also developed in this paper. The developed model enables the evaluation of steady and transient characteristics of power systems.