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Stochastic Assessment of Voltage Unbalance Mitigation by Home Battery System in Low Voltage Grid with Single-Phase Solar Power Generation | IEEE Conference Publication | IEEE Xplore

Stochastic Assessment of Voltage Unbalance Mitigation by Home Battery System in Low Voltage Grid with Single-Phase Solar Power Generation


Abstract:

Modern electrical power system is evolving to a smarter and agile system, which will support society's sustainable development. The low voltage grid should be capable of ...Show More

Abstract:

Modern electrical power system is evolving to a smarter and agile system, which will support society's sustainable development. The low voltage grid should be capable of withstanding new challenges such as reverse power flows and voltage unbalance (VU) caused by distributed generation. In this paper, the mitigation possibilities of the VU caused by single-phase-connected photovoltaics (PV) are analysed with Tesla Powerwall 2 battery energy storage systems (BESS) added to the grid. Three different BESS phase connection strategies are modelled and the VU is assessed with Monte Carlo Simulation (MCS). A low voltage distribution grid in Sweden is considered with different PV and BESS penetration levels and the applied method for VU assessment is validated. Simulation results reveal the effectiveness of VU mitigation by connecting PV and BESS to the same phase.
Date of Conference: 21-25 October 2018
Date Added to IEEE Xplore: 13 December 2018
ISBN Information:
Conference Location: Sarajevo, Bosnia and Herzegovina

I. Introduction

The successful development of humanity requires a reliable and cost effective power system. Similarly to labour and capital, energy is an essential part of the development process and the power system is playing a key role in the energy infrastructure. However, the modern power system is rather not suited for sustainable development of a modern society. It is heavily based on fossil fuels [1], which are depleting. Fortunately, society is accepting the challenge of transferring to a more sustainable power system, which was recently enforced by the 2015 Paris Climate Action Agreement [2].

References

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