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首页> 外文会议>International Conference on the Domestic Use of Energy >Comparative study of harmonics reduction and power factor enhancement of six and 12-pulses HVDC system using passive and shunt APFs harmonic filters
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Comparative study of harmonics reduction and power factor enhancement of six and 12-pulses HVDC system using passive and shunt APFs harmonic filters

机译：使用被动和分流APFS谐波滤波器谐波减小和功率因数增强六和12脉冲HVDC系统的比较研究

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Harmonics in HVDC power systems, which are caused by highly non-linear devices, affect its performance. Therefore, the main concern of power engineers in power system design and operation have been controlling and eliminating such harmonics. In respect of this, HVDC power system harmonic analysis is, therefore, imperative in power system planning, control and operation. It is worthy of note that, different alternatives of filter design should be considered before making final decision on filter configuration. The essence of this paper is basically to compare the mitigation techniques of both 6-pulse and 12-pulse HVDC systems using passive and shunt active power filters to eliminate line current harmonics and to compensate reactive power by increasing the power factor with reference to IEEE 519 standards. The mitigation technique of shunt active power filter is based on p-q theory. Conventionally, passive LC filters and capacitors have been used to eliminate line current harmonics and to compensate reactive power by increasing the power factor. However, these filters have the disadvantages of large size, resonance and fixed compensation behavior. Due to these drawbacks of passive harmonic filter, the shunt active power filter appears to be a viable solution for eliminating harmonic currents and current transient condition. Shunt active power filter compensates current harmonics by injecting equal and opposite harmonic compensating current. This paper concentrates on the design and application of three-phase passive and shunt active power filter (SAPF) by using p-q theory to mitigate the harmonics, which are created by nonlinear loads. To obtain result for this paper, the MATLAB / Simulink was used as a simulation tool.
机译：HVDC电力系统中的谐波，由高度非线性设备引起，影响其性能。因此，电力系统设计和操作中电力工程师的主要关注点已经控制和消除了这种谐波。因此，HVDC电力系统谐波分析是电力系统规划，控制和操作所必需的。值得注意的是，在对滤波器配置进行最终决定之前，应考虑不同替换过滤器设计。本文的本质基本上是使用被动和分流有源电力滤波器比较6脉冲和12脉冲HVDC系统的缓解技术，以消除线电流谐波，并通过参考IEEE 519增加功率因数来补偿无功功率标准。分流有源电力滤波器的缓解技术基于P-Q理论。传统上，被动LC滤波器和电容器已经用于消除线电流谐波并通过增加功率因数来补偿无功功率。然而，这些过滤器具有大尺寸，共振和固定补偿行为的缺点。由于无源谐波滤波器的这些缺点，分流有源电力滤波器似乎是消除谐波电流和电流瞬态条件的可行解决方案。分流有源电力过滤器通过注入等于和相反的谐波补偿电流来补偿电流谐波。本文通过使用P-Q理论来缩进三相无源和分流有源电力滤波器（SAPF）的设计和应用，以减轻由非线性负载产生的谐波。要获得本文的结果，MATLAB / SIMULINK被用作仿真工具。

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