直流送電系統へ直列接続される風力発電装置の定常特性解析と電力制御

概要

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Steady-state performances of an integrated wind turbine generating system connected to a DC transmission system with an externally commutated thyristor inverter are discussed. Power control methods for a general DC transmission system are introduced. And then we discuss DC power control methods for the proposed DC transmission system to obtain maximum utilization from wind power and to compensate the fluctuation in the power at the receiving-end grid. It is shown that although the DC side voltage of the wind turbine generator varies with wind velocity, the power at the receiving-end grid can be kept constant by using firing angle control for the sending-end rectifier. However, since the firing angle becomes larger with the increase in the wind velocity, a large reactive power at the sending-end grid is required. Finally, a combined DC power control method with thefiring angle of the rectifier and the leading angle of the inverter is explored.
サレジオ工業高等専門学校の論文