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首页> 外文会议>12th Brazilian Power Electronics Conference >New hybrid topology of voltage regulation applied in three-phase four-wire system based on induction generator
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New hybrid topology of voltage regulation applied in three-phase four-wire system based on induction generator

机译：基于感应发电机的三相四线制调压新混合拓扑

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This paper deals with the development of a new hybrid topology for voltage regulation in micro hydro power station using self-excited induction generator applied in three-phase four-wire systems. The proposed topology is a combination of a three-phase four legs static VAR compensator (SVC) and capacitor banks connected in parallel to the AC voltage bar. It is considered a three wires generator with no accessible neutral point being the neutral terminal for the load created through the neutral terminal of the excitation capacitor and the fourth leg of SVC, which provides the choice to connect the loads either star or delta configurations. A control algorithm and a project for the variable capacitors are proposed based on the specifications of the SVC. The proposed generating system is modeled and simulated in MATLAB. Simulation results and preliminary experimental results are presented to demonstrate the performance of the proposed new hybrid method for the voltage regulation of the self-excited induction generator. In the sequence, simulation results are presented in order to demonstrate the capability of theproposedsystem for feeding three-phase and single-phase balanced and unbalanced loads, with no distortion of the generated voltages.
机译：本文研究了一种用于三相水线系统中的新型混合拓扑结构，该拓扑结构用于使用自励感应发电机的微水电站调压。所提出的拓扑结构是三相四脚静态VAR补偿器（SVC）和与交流电压棒并联的电容器组的组合。它被认为是三线制发电机，没有可接近的中性点，这是通过励磁电容器的中性端子和SVC的第四分支产生的负载的中性端子，它提供了连接星形或三角形配置负载的选择。根据SVC的规范，提出了可变电容器的控制算法和方案。在MATLAB中对拟议的发电系统进行建模和仿真。仿真结果和初步实验结果表明了所提出的新型混合方法用于自励感应发电机调压的性能。在该序列中，给出了仿真结果，以证明所建议的系统能够馈送三相和单相平衡和不平衡负载，而不会产生所产生的电压失真。

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