Abstract
The world is facing today the global challenge of energy transition since countries need more and more energy to grow their economy on a planet where resources are limited and poorly distributed. The integration of renewable energies and especially offshore wind energy into high voltage direct current (VSC-HVDC) transmission systems demonstrates great flexibility and reliability. In this paper, a control strategy for a multi-terminal VSC-HVDC system based on Master-Slave approach is proposed to automatically share the real power variation and stabilize the DC bus voltage in presence of abnormal operating conditions.
Highlights
Electricity needs are constantly growing, and infrastructure based on interconnected and interconnected transport networks is gradually coming to the limit of their capacity
The HVDC technology has been developed to: Interconnect remote areas to facilitate energy exchanges, Connect offshore wind farms, deliver hydroelectric power. In this context we have carried out this work which addresses the problem of MTDC multi-terminal HVDC systems [5-8], our MTDC system consisting of 3 terminals as shown in Figure 1 each conversion station is coupled with the AC network through equivalent impedance, same for Station 2 which is connected to an offshore wind farm
The first part of this paper will be devoted to the modeling of the wind turbine and the Voltage source converters (VSC) conversion system, the second part to the Master-Slave control based on PI Controller and a simulation and discussion of the results
Summary
Electricity needs are constantly growing, and infrastructure based on interconnected and interconnected transport networks is gradually coming to the limit of their capacity. Renewable electricity generating plants are often far from consumption points, the energy transmission with minimal losses must be In the case of renewable offshore wind generation sources, it is necessary to transmit large quantities of energy with satisfactory efficiency. The HVDC technology has been developed to: Interconnect remote areas to facilitate energy exchanges, Connect offshore wind farms, deliver hydroelectric power In this context we have carried out this work which addresses the problem of MTDC multi-terminal HVDC systems [5-8], our MTDC system consisting of 3 terminals as shown in Figure 1 each conversion station is coupled with the AC network through equivalent impedance, same for Station 2 which is connected to an offshore wind farm. The first part of this paper will be devoted to the modeling of the wind turbine and the VSC conversion system, the second part to the Master-Slave control based on PI Controller and a simulation and discussion of the results
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