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摘要
En 中文
In paper, a solution for the integration of a home energy management system (HEMS) to be a part of an utility LVDC distribution system is introduced. The considered LVDC network comprise network-level battery energy storage system (BESS), public DC distribution system with a single connection point to medium-voltage AC network and multiple prosumer customers. The usage of the BESS is multi-objective. It could be a part of large-scale virtual power plant, or a part of frequency containment reserve (FCR), and simultaneously operate as a backup power source. In such, part of the storage capacity could considered to be shared between the customers, electricity traders, distribution network company and the transmission system operator. In order to increase efficiency of the BESS operation and capacity allocation, information from the energy end-users could be used. Similarly, the energy resources in end-users' homes can be used to provide flexibility. Control of loads, such as heating, cooling and ventilation within the boundary conditions of the in-house climate can be used simultaneously with the energy storage resources for similar purposes or to support the BESS functionalities. The household digital HEMS is not yet common, especially those that integrate BESS. Therefore, solution is not restricted to interface design and considers also sensor networks that are installed at customer premises, to provide fully integrated solution.
Keyword:
LVDC
power distribution
demand-side management
load management
energy storage
batteries
microgrids
smart grids
smart homes
