State of Charge (SOC)-Based Active Power Sharing Method for Distributed Generations in an Islanded Microgrid
Yun-Su Kim, Seung-Il Moon, Eung-Sang Kim
Available Online August 2015.
- https://doi.org/10.2991/cas-15.2015.90How to use a DOI?
- active power sharing; battery energy storage system; distributed generation; islanded microgrid; state of charge
- Typically, a frequency droop control has been employed for active power sharing which inevitably causes the frequency deviation. In this paper, we propose an active power sharing method based on the state of charge (SOC) of battery energy storage system (BESS) instead of the frequency. In a similar concept of conventional primary and secondary frequency control, primary and secondary SOC control is developed for maintaining the frequency at the nominal value as well as the SOC at the desired level. The SOC information is assumed to be transmitted via communication infrastructure hence the communication time delay is considered. To enhance reliability, controllers of distributed generation (DG) units are designed to take account of the failure of communication system. The proposed method was modeled and simulated by MATLAB/SimPowerSystems to prove its effectiveness.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Yun-Su Kim AU - Seung-Il Moon AU - Eung-Sang Kim PY - 2015/08 DA - 2015/08 TI - State of Charge (SOC)-Based Active Power Sharing Method for Distributed Generations in an Islanded Microgrid BT - 2015 AASRI International Conference on Circuits and Systems (CAS 2015) PB - Atlantis Press SN - 2352-538X UR - https://doi.org/10.2991/cas-15.2015.90 DO - https://doi.org/10.2991/cas-15.2015.90 ID - Kim2015/08 ER -