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Recently, Queensland state of Australia has seen a rapid growth in rooftop solar photovoltaic (PV) installations. However, the growth can be throttled due to voltage violation constraints at the distribution feeder level. Consequently, distribution utilities in Queensland have set a guideline for new PV inverter connections. During light load condition and under high availability of PV power, voltage...
Modern electricity distribution networks are facilitated with a high share of renewable generation, especially solar photovoltaics (PV). PV source results in fluctuating power injection and bi-directional power flow in a system, which can introduce overvoltage problem in low voltage (LV) networks. Using battery energy storages can mitigate this problem. This paper proposes a tool, which searches for...
Yearly investment to upgrade a distribution network has always been a key issue for a distribution network operator (DNO). Besides, new operational challenges are introduced to DNOs due to increasing photovoltaic (PV) generation. A high penetration of PV may cause voltage rise problem in a distribution network. This paper proposes a coordinated control strategy of Battery Energy Storage System (BESS)...
Battery energy storage systems (BESS) are expected to play an important part in future distribution networks. This paper analyses its impacts on the electricity demand profile through different scenarios of residential BESS uptake within the network serviced by a 33 kV/11 kV distribution substation in the state of Queensland, Australia. Two scenarios are considered: residential customers with rooftop...
The increased implementation of renewable energy sources, especially in island micro-grids, can have a significant effect on the quality of the power within that network. Heron Island, located off the coast of Queensland, Australia, has historically been powered by diesel generators. Recently however, Photovoltaic (PV) arrays have been added to the island to reduce the reliance on fossil fuel. This...
The drive for power networks throughout the world to utilize clean, green renewable generation poses a number of issues for distribution and transmission companies. Two of the most popular forms of renewable generation, wind and photovoltaic (PV) face large fluctuations in their generation profile. This variation means that peak generation and peak customer demand are often greatly divergent. Battery...
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