Naslov
Convex AC Optimal Power Flow Method for Definition of Size and Location of Battery Storage Systems in the Distribution Grid

Autori
Zidar, Matija ; Capuder, Tomislav ; Georgilakis, Pavlos ; Škrlec, Davor

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Digital Proceedings of the 9th Conference on Sustainable Development of Energy, Water and Environment Systems - SDEWES / Ban, Marko .... [et al.] - Zagreb : University of Zagreb Faculty of Mechanical Engineering and Naval Architecture, 2014, SDEWES2014.0058-1

Skup
9th Conference on Sustainable Development of Energy, Water and Environment Systems

Mjesto i datum
Venecija, Italija; Istambul, Turska, 20.09.2014. - 27.09.2014

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Battery Storage Systems; Distribution Network; Linearity; Renewable Energy Sources

Sažetak
Majority of low carbon (LC) technologies such as photovoltaic (PV), electric vehicles (EV) and electric heat pumps (EHP) are and will be connected close to the final user at the low voltage (LV) level. These energy sources and consumers are assumed to have a low impact on the electricity grid, especially when their penetration level is low. Flexibility from these technologies is not stimulated as existing feed-in tariffs and static billing tariff systems do not stimulate intelligent price led production/consumption. The stochastic nature of LC technologies will, when reaching a significant share in the grid, result in undesirable events such as high spikes, overloading and under voltage sags. The basic assumption of the paper is that each consumer or producer is or will be led by market signals while the technical price signals for changing their production/consumption do not exist and are out of the scope of the paper. For each of the analyzed cases, the distribution system operator (DSO) is the one handling technical constraints and ensuring they are not violated. The goal of the paper is to identify the role, size and placement (centralized, decentralized) of electricity storage owned by DSO. Consumption and production decisions are a result of Mixed Integer Nonlinear Programming (MINLP) economic dispatch and their impact is analyzed on typical Croatian distribution grids. As it will be shown, the battery storage reduce sudden demand or excess production spikes, voltage problems, equipment overloading and is, at the same time, flexible in terms of responding to market signals and different future scenarios. The analyses result in a techno-economic framework for short-term and long-term network planning of low carbon active distribution networks.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

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