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Bidirectional partial power converter interface for energy storage systems to provide peak shaving in grid-tied PV plants

Muller, Nicolas; Kouro, Samir; Zanchetta, Pericle; Wheeler, Patrick

Authors

Nicolas Muller

Samir Kouro



Abstract

The ever growing participation of modern renewable resources in electric markets has shaken the paradigm of generation-demand constant match. Most modern renewables add intermittent behaviour and high variability to electric markets, forcing other renewables and themselves to perform power curtailment and/or having extra generating units connected to the network to compensate power, voltage and frequency variations. In order to handle this scenario, Energy Storage Systems (ESSs) have risen as enabling technologies capable to provide backup energy to compensate power, voltage and frequency fluctuations and, at the same time, offer additional benefits as ancillary services, peak shaving, load shifting, base load generation, etc. This paper presents a novel bidirectional Partial Power Converter (PPC), as an interface between a Battery ESS (BESS) and a grid-tied Photovoltaic (PV) plant. To obtain a better understanding of the converter, its mathematical model is presented and its operation modes are explained. The main purpose of this configuration is to provide peak shaving capability to a grid-tied PV plant, while providing a high efficiency BESS. Simulation results show the operation of the full system (grid-tied PV plant and BESS), performing peak shaving under a step-down and up in solar irradiation.

Citation

Muller, N., Kouro, S., Zanchetta, P., & Wheeler, P. (2018). Bidirectional partial power converter interface for energy storage systems to provide peak shaving in grid-tied PV plants

Conference Name 2018 IEEE International Conference on Industrial Technology (ICIT)
End Date Feb 22, 2018
Acceptance Date Dec 21, 2017
Online Publication Date Apr 30, 2018
Publication Date Feb 20, 2018
Deposit Date Jun 6, 2018
Publicly Available Date Jun 6, 2018
Peer Reviewed Peer Reviewed
Keywords Mathematical model; Electrostatic discharges; Batteries; Inverters; Inductance; Capacitors
Public URL http://eprints.nottingham.ac.uk/id/eprint/52251
Publisher URL https://ieeexplore.ieee.org/document/8352296/
Related Public URLs http://icit2018.org/en
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
Additional Information © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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