Abstract
Under the Kyoto Protocol,Japanwas supposed to reduce six percent of the green house gas (GHG) emission in 2012. However, until the year 2010, the statistics suggested that the GHG emission increased 4.2%. What is more challenge is, afterFukushimacrisis, without the nuclear energy,Japanmay produce about 15 percent more GHG emissions than1990 inthis fiscal year. It still has to struggle to meet the target set by Kyoto Protocol. The demonstration area of “smart community” suggests Japanese exploration for new low carbon strategies. The study proposed a demand side response energy system, a dynamic tree-like hierarchical model for smart community. The model not only conveyed the concept of smart grid, but also built up a smart heat energy supply chain by offline heat transport system. Further, this model promoted a collaborative energy utilization mode between the industrial sector and the civil sector. In addition, the research chose the smart community inKitakyushuas case study and executed the model. The simulation and the analysis of the model not only evaluate the environmental effect of different technologies but also suggest that the smart community inJapanhas the potential but not easy to achieve the target, cut down 50% of the CO2 emission.
Highlights
Distributed energy systems (DES) have been drawing increasing attention as a substitute for grid in the lowcarbon society development [1,2]
This paper presented a model of a controllable, demand-responsive and balanced distributed energy systems network under the concept of smart community in Japan
When the energy generated by distributed energy generation (DEG) is more than the energy consumption in the group, the energy station (ES) will in surplus mode (SUR) mode and become an energy supplier to other ES
Summary
Distributed energy systems (DES) have been drawing increasing attention as a substitute for grid in the lowcarbon society development [1,2]. The energy system model for the smart community (grid) should convey the concept of DEG, DES and DSR. The proposed district energy system includes the use of diverse renewable and untapped energy resource, demand-responsive intelligent management, and efficient energy delivery It not constructed an intelligent distributed electricity supply chain system with PV and CHP plants, and promoted DEG, DES and DSR concept on heat supply chain system. This paper presented a model of a controllable, demand-responsive and balanced distributed energy systems network under the concept of smart community in Japan. Various technologies such as PV, CHP plant and PCM system were considered in the model. Through the execution of the model, the research evaluated the environmental effect of every technology and estimated the potential of the smart community that whether the place can cut off 50% CO2 emission as it set
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