Energy Storage Systems Applications and Effects on Power Quality

Dear Colleagues,

We want to invite you to submit your latest research to this Special Issue on “Power Quality and Energy Storage”.

In the last few decades, electrical power systems have undergone changes associated with decarbonization, renewable energy sources, modernization of communication and automation of infrastructures, and innovative systematic approaches. In this context, renewable energy sources, mainly solar and wind, are presented as protagonists and have had impressive growth. Beyond the obvious benefits of generation, there are some challenges that the intermittent nature of these sources brings up. Considering this, energy storage is shown to be a vital technology in order to integrate this renewable generation better, whether centralized or distributed, ensuring an increase in power systems performance and other benefits that reach various stakeholders of the electric grid.

Regarding power quality, some technologies (e.g., flywheels, batteries, SMES, among others) can support the mitigation of quality disturbances. The power quality service involves energy storage to protect the customer's loads from short-term events that affect the quality of energy delivery to consumers' loads, like voltage sags, voltage swells, and interruptions. It can also be used to reduce voltage fluctuations.

On the other hand, the large insertion of energy storage technologies, such as batteries, which require an AC/DC conversion interface with the power grid, directly affects the waveform distortions, mainly as sources of harmonic distortions. Distortions of the waveform cause a series of negative effects on networks at different levels, and cannot be neglected. Therefore, researchers and engineers should address studies and investigations to evaluate the impacts generated by the penetration and interaction of these technologies. This is becoming more and more necessary with the growth of the charging infrastructure for electric vehicles (EV), which also significantly impacts low-voltage (LV) and medium-voltage (MV) networks in terms of waveform distortions, which are a source of harmonics, interharmonics, and supraharmonics. In addition, there are other problems such as voltage unbalance and voltage fluctuation.

Therefore, this Special Issue aims to receive articles highlighting the challenges and benefits that energy storage systems (ESSs) have in power systems. Research on, but not limited to, the following topics is welcome:

• The usage of ESS for PQ short-duration disturbance mitigation;
• Power quality and reliability improvement for grid consumers;
• Economical evaluation of benefits associated with ESS and disturbance mitigation;
• Advanced control for ESS integration;
• Impacts of ESS penetration on power systems;
• Evaluation of waveform distortions from ESS AC/DC interface;
• Analysis of EV charger infrastructure effects on LV and MV grid power quality;
• Hosting capacity considering ESS;
• Topology, control methods, and coordination of ESSs to mitigate waveform distortions;
• Cases studies on ESS integration and power quality.

Prof. Dr. Paulo F. Ribeiro
MSc. Rafael S. Salles
Guest Editors

Manuscript Submission Information

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• energy storage
• power quality
• ac/dc conversion
• distributed resources
• electrical vehicle charging
• new grid infrastructures