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首页> 外文期刊>Journal of Theoretical and Applied Information Technology >A METHOD FOR QUALITY POWER PROVIDER TO OPERATE IN DISTORTED SUPPLY CONDITION
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A METHOD FOR QUALITY POWER PROVIDER TO OPERATE IN DISTORTED SUPPLY CONDITION

机译：优质电源供应商在失真电源条件下工作的方法

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Power Quality is a major concern within power industry and consumers. Poor quality of supply will affect the performance of customer equipment such as computers, microprocessors, adjustable speed drives, power electronic controllers, life saving equipment in hospitals, etc. and result in heavy financial losses to customers due to loss of production or breakdown in industries or loss of life in a hospital. The two major power quality disturbances are voltage sag and harmonic distortion. In this paper, a Quality Power Provider (QPP) based on voltage source inverter is modeled by simulation to compensate the power quality disturbances such as voltage sag and voltage harmonics in the distorted supply condition. The phase locked loop (PLL) is an important control unit of the QPP control scheme. To obtain accurate phase information and frequency of the input supply, the dqPLL method has been proposed. Simulation results based on MATLAB and PSCAD software are presented to verify the performance of the proposed QPP. QPP has improved the quality of power supply at the sensitive load end.
机译：电力质量是电力行业和消费者关注的主要问题。供应质量差将影响客户设备的性能，例如计算机，微处理器，变速驱动器，电力电子控制器，医院中的救生设备等，并由于生产损失或行业崩溃而给客户造成沉重的财务损失或在医院丧命。两种主要的电能质量扰动是电压骤降和谐波失真。本文通过仿真对基于电压源逆变器的优质电源提供商（QPP）进行建模，以补偿在供电条件失真时的电能质量扰动，例如电压骤降和电压谐波。锁相环（PLL）是QPP控制方案的重要控制单元。为了获得准确的相位信息和输入电源的频率，已经提出了dqPLL方法。提出了基于MATLAB和PSCAD软件的仿真结果，以验证所提出的QPP的性能。 QPP改善了敏感负载端的电源质量。

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