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首页> 外文期刊>IEEE Transactions on Power Delivery >Series compensation on power system with very low harmonicdistortion
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Series compensation on power system with very low harmonicdistortion

机译：具有极低谐波失真的电力系统的串联补偿

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This paper describes a series compensation scheme employing ancapacitor in parallel with two PWM switched reactor modules. The twonmodule PWM switched reactors provide continuously variable reactance bynemploying simple duty ratio control. The switching instants of the twonreactor modules are controlled to have 180° phase shift, but equalnduty ratio, to achieve harmonic cancellation. The complete seriesncompensator provides a wide range of capacitive and inductivencompensation. The harmonic distortion produced by this seriesncompensation scheme with a single switched reactor and two switchednreactors is analyzed and compared. An experimental model of the proposedncompensator has been simulated, constructed and tested. In the case ofnthe two module system the voltage harmonics have been found to be wellnbelow the IEEE 519-1992 recommended limit with a switching frequency ofnonly 300 Hz. Modulating this new compensator with a swing betweennminimum capacitive compensation and maximum capacitive compensation at 1nHz shows its fast dynamic response. The simplicity of the scheme and thenquality of the results indicates potential as another useful FACTSncontroller
机译：本文介绍了一种串联补偿方案，该方案采用一个电容器与两个PWM开关电抗器模块并联。双模块PWM开关电抗器通过简单的占空比控制提供连续可变的电抗。将两个反应器模块的开关瞬间控制为具有180°相移，但占空比相等，以实现谐波消除。完整的串联补偿器提供了广泛的电容和电感补偿。分析并比较了该串联补偿方案在单个开关电抗器和两个开关电抗器的作用下产生的谐波失真。对所提出的补偿器的实验模型进行了仿真，构建和测试。在两个模块系统的情况下，已发现电压谐波低于IEEE 519-1992建议的限值，开关频率仅为300 Hz。以1nHz的最小电容补偿和最大电容补偿之间的幅度对这种新型补偿器进行调制显示了其快速的动态响应。方案的简单性和结果的质量表明它是另一个有用的FACTSncontroller的潜力

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