Overload management of autonomous microgrids
MetadataShow full item record
Load-shedding is a mechanism to prevent overloading of the autonomous microgrids (MG). To minimize loadshedding, extra support can be provided by the embedded floating batteries in the autonomous MG. Furthermore, two islanded neighboring MGs can be interconnected to support each other. For this, the state of charge (SOC) of the floating batteries should be above the minimum SOC and extra generation capacity needs to be available in the distributed energy resources (DER) of the neighboring MG. In this paper an overload management strategy based on these two options is presented. This strategy needs to decide the connection time of the floating batteries as well as the interconnection time of the two neighboring MGs. It should also decide when the battery to be disconnected or the two interconnected MGs to be isolated. This paper focuses on a decentralized approach based on monitoring the frequencies of the MGs. The proposed strategy is validated by PSCAD/EMTDC simulations.
Showing items related by title, author, creator and subject.
Tan, P.; Kong, W.; Shao, Zongping; Liu, M.; Ni, M. (2017)© 2017 Li–air batteries have potential to be the next generation power sources for various applications, from portable devices to electric vehicles and microgrids, due largely to their significantly higher theoretical ...
Tan, P.; Chen, B.; Xu, H.; Zhang, H.; Cai, W.; Ni, M.; Liu, M.; Shao, Zongping (2017)The demand for flexible power sources with high energy density and durability has increased rapidly with the development of flexible and wearable electronic devices. Metal-air batteries are considered as the most promising ...
Hossain, M.; Islam, Syed; Park, S. (2017)© 2017 IEEE. This paper presents a sinusoidal ripple current (SRC) emulator which superimposes an ac ripple current frequency into a dc charging current in order to produce a sinusoidal ripple current without a ripple ...