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The Research of Wind Power Networking Based on VSC-HVDC and Its Impact on the Stability of the HVDC System

Author: HuDongLiang
Tutor: ZhaoChengYong
School: North China Electric Power University (Hebei)
Course: Proceedings of the
Keywords: Voltage source converter HVDC Emergency power support Commutation failure Doubly-fed DC power transmission system Reactive power compensation
CLC: TM614
Type: Master's thesis
Year: 2009
Downloads: 306
Quote: 0
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Abstract


Wind farms using VSC-HVDC interconnection , ground fault occurs in the system , and the system can maintain the stability of the wind farm , to achieve off-grid wind turbines do not run . In addition, the traditional HVDC, or disturbance occurs in the system side power support in case of an emergency , the use of traditional methods of reactive power compensation will cause the inverter station HVDC commutation failure occurs ; proposed wind farm will connect to the Internet through the VSC-HVDC composed of one pair with the original HVDC infeed HVDC system to study the system reactive power regulation characteristics , and from the qualitative and quantitative point of view shows two VSC-HVDC subsystems without too much capacity to meet the reactive power support requirements. Simulation results show that , VSC-HVDC HVDC subsystem subsystem can quickly make an emergency reactive support to maintain system voltage stability, effective suppression of commutation failure occurs .

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CLC: > Industrial Technology > Electrotechnical > Power generation, power plants > Variety of power generation > Wind power
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