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High levels of distributed generation have been installed in power systems and even a greater amount is expected to be deployed in the near future, with a large percentage likely to come from renewable energy sources. As such, Distribution System Operators (DNOs) will need to change their old “business as usual” passive approach, to one that adopts integration of control and communication technologies,...
It is known that the increasing penetration of Distributed Generation (DG) implies different technical problems in the operation of distribution systems. This paper focuses the electrical Power Quality (PQ) aspects. DG can be responsible for different PQ problems, like poor voltage quality, unwanted protection trips on healthy feeders, and “islanding”. Voltage quality, in particular, can become a...
An increasing amount of distributed generation in the future grid will be connected at the customer's point of connection. The generation within the low voltage grid will affect the power quality of customers connected to this grid. Hence, the concept of a Smart MV/LV transformer as a part of the Smart MV/LV substation is discussed in this paper. The main aims are to support the accommodation of distributed...
The growing need for competition in the utility and energy markets and government's policy on the inclusion of DGs in the future generation mix in South Africa will potentially mean that the numbers of generators being connected within distribution networks will increase significantly. The connections of distributed generation (DG) to the distribution networks possess a lot of technical impacts. Accurate...
Following the steps of the gas industry, the traditional paradigm of the vertically integrated electrical utility structure has begun to change. In the United States, the Federal Energy Regulatory Commission (FERC) has issued several rules and Notices of Proposed Rulemaking (NOPR) to set the road map for electric utility deregulation. The power crisis in California has drawn great attention and sparked...
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