Stochastic Assessment of Voltage Unbalance Mitigation by Battery System in case of Single-Phase Solar Generation

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Details

Original languageEnglish
Title of host publicationProceedings of the International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2018
Publication statusPublished - 23 Aug 2018
MoE publication typeA4 Article in a conference publication
EventInternational Symposium on Power Electronics, Electrical Drives, Automation and Motion - Amalfi, Italy
Duration: 20 Jun 201822 Jun 2018

Conference

ConferenceInternational Symposium on Power Electronics, Electrical Drives, Automation and Motion
Abbreviated titleSPEEDAM
CountryItaly
CityAmalfi
Period20/06/201822/06/2018

Researchers

Research units

Abstract

The electric power system face big challenges today. Environmental concerns and political decisions that follows, are up to reshape electrical energy industry and change the way how energy is managed. One of the key ideas of forthcoming changes is to utilise renewable energy sources, such as solar. However, solar generation, as any other distributed generation, sets strain on the power system and power quality properties can be negatively affected. In this paper, the voltage unbalance (VU) caused by single-phase connected photovoltaics (PV) in residential low voltage grid are assessed by Monte Carlo Simulation (MCS). The voltage unbalance mitigation possibilities by battery energy storage system (BESS) are evaluated, by connecting the battery in a three different phase connection strategies. Two different stochastic assessment models will be tested: time independent and time series models. The results of the two models are presented and discussed in depth.

    Research areas

  • solar power generation, time series analysis, stochastic processes, springs, batteries, load modeling, resistance heating

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