This report seeks to evaluate and predict possible power quality issues regarding Fortums engagement in the project of Stockholm Royal Seaport. Stockholm Royal Seaport is a city district planned by Stockholm Municipality to be constructed based on sustainable urban city principles. Fortum has, together with additional partners, engaged in the challenge to create a sustainable energy system.
This is thought to be achieved through several measures. Energy saving actions are incorporated at several levels and there is a plan to create a “smart grid” for the electricity supply. A smart grid has no strict definition but in this case a key feature is “demand-response” which effectively means a way to optimize the consumption to have a more balanced consumption over the 24 hours of a day.
One of the key components in the smart grid is the “active house” which is planned to have several specific features separating it from an ordinary house. It is planned to have its own contribution to electricity production using solar cells and an energy storage using batteries. Another feature is thought to be both automation and economic incentives measures to achieve peak load reduction.
This project has taken the perspective of the end customer in the active house and has tried to evaluate the power quality to be experienced. An investigation regarding the different components has been carried out to get an overview from the mentioned perspective and identify possible problems or issues that may require attention in the realization of Stockholm Royal Seaport.
It has been found that no major problems are to be expected but some smaller issues has arisen that might be worthwhile giving some attention.
Source: Uppsala University
Author: Einarsson, Mårten
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