Abstract
The use of renewable energy such as wind power is one of the most affordable solutions to meet the basic demand for electricity because it is the cleanest and most efficient resource. In Algeria, the highland region has considerable wind potential. However, the electrical power system located is this region is generally not powerful enough to solve the problems of voltage instability during grid fault conditions. These problems can make the connection with the eventual installation of a wind farm very difficult and inefficient. Therefore, a wind farm project in this region may require dynamic compensation devices, such as a distributed-flexible AC transmission system (D-FACTS) to improve its fault ride through (FRT) capability. This paper investigates the implementation of shunt D-FACTS, under grid fault conditions, considering the grid requirements over FRT performance and the voltage stability issue for a wind farm connected to the distribution network in the Algerian highland region. Two types of D-FACTSs considered in this paper are the distribution static VAr compensator (D-SVC) and the distribution static synchronous compensator (D-STATCOM). Some simulation results show a comparative study between the D-SVC and D-STATCOM devices connected at the point of common coupling (PCC) to support a wind farm based on a doubly fed induction generator (DFIG) under grid fault conditions. Finally, an appropriate solution to this problem is presented by sizing and giving the suitable choice of D-FACTS, while offering a feasibility study of this wind farm project by economic analysis.
Highlights
In Algeria, the first attempt to connect the wind energy conversion system (WECS) to the electricity distribution network dates back to 1957, with the installation of a 100-kW wind turbine at the GrandsVents site (Algiers) by the French designer Andreau.Appl
The outputs of the current controllers consist in imposing the amplitude and phase of voltages of the D-STATCOM by generating Pulse Width Modulation (PWM) signals
On the ability to control the voltage at the between the electric distribution grid and on the ability to control the voltage at the point of common coupling (PCC) between the electric distribution grid and the the wind wind farm, which is described in the previous section
Summary
In Algeria, the first attempt to connect the wind energy conversion system (WECS) to the electricity distribution network dates back to 1957, with the installation of a 100-kW wind turbine at the Grands. To reduce the harmful impact of conventional resources and energy efficiency, the energy policy program announced by the Ministry of Mines and Energy aims, improve Algerian energy efficiency, the energy policy program announced by the Ministry of Mines by 2030, to produce 40% electrical energy from renewable resources [1]. This of is notelectrical interconnected the north;with it is the a local micro-grid) This program program of the energy policy must be accompanied by continual development of wind energy the energy policy must be accompanied by continual development of wind energy technology and technology and optimization techniques, looking for better options concerning reduced costs, optimization techniques, looking for better options concerning reduced costs, improvement regarding improvement regarding wind turbine performances, reliability of electrical groups and electrical grid windintegration.
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