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This paper proposes an economic optimization method with two time scales for a hybrid energy system based on the virtual storage characteristic of a thermostatically controlled load (TCL). The optimization process includes two time scales in order to ensure accuracy and efficiency. Based on the forecast load and energy supply of the system, the first time scale is day-ahead economic operating optimization,...
This paper presented the research on heat load prediction method of central heating system. The combined simulation data at Xi'an in January was used as the samples for training and predicting. This paper selected the daily average outdoor wind speed, the daily average outdoor temperature, date type, sunshine duration as input variables and the heating load value as output variable. After preprocessing...
With growing attention to energy conservation and emission reduction, solar energy is used in various fields as the basic renewable energy source and the maximum amount of energy that can be exploited in the world today is used in various fields. Therefore, a composite type combined heating operation mode based on solar collector, ground source heat pump and heat storage electric boiler in the integration...
Flexible load has increasingly becoming an important means of regulating the power grid and consuming new energy, as well as an important part of "source-grid-load" coordination control. On the other hand, nowadays typical new energy resources such as wind and solar energy are being accessed to the power grid in a large scale, but the phenomenon of abandoning wind or solar energy is very...
Intentional islanding is an effective method to improve power supply reliability and fully strengthen the role of DGs. A strategy based on intentional islanding for using DGs in the distribution network restoration service in the context of smart distribution network is present in this paper and the restoration procedure of distribution network with DGs is also enunciated. Through the compare and...
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