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The Control Strategy and Experiment Study of Ningdong-Shandong ±660kV HVDC Project

Author: WangPeng
Tutor: XiaoShiWu
School: North China Electric Power University (Beijing)
Course: Electrical Engineering
Keywords: HVDC ±660 kV Control System Low Voltage Energization Test
CLC: TM721.1
Type: Master's thesis
Year: 2011
Downloads: 105
Quote: 0
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Abstract


Ningdong-Shandong±660 kV HVDC Transmission Project is the first DC transmission project of±660 kV class in the world. Based on the project of Qingdao Converter Station, this paper introduced the basic valve-control principles of HVDC, and reviewed the main tasks completed by the author which were the pole control strategy research and the validity demonstration of converter valves control and protection system through low voltage energization test. The strategy for pole control is holding constant DC by rapidly adjustingαangle at rectifier station andγangle control at inverter station, Transformer tap control is a slowly control method for holdingαangle,γangle and DC voltage in a certain range. The paper taked on the simulation experiment of Qingdao Converter Station project on the Real Time Digital Simulation(RTDS) and its recording analysis, the results show that the strategy for pole control is validated. Finally focuses on elaborating the low voltage energization test on valve control system of the project in which the author participated, and analyzes its wave shape, and the experiment is a good preparement for the Ningdong-Shandong±660 kV HVDC Transmission Project’s running.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Transmission and distribution technology > Transmission system > DC system power transmission
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