Perancangan Kendali Multilevel Inverter Satu Fasa Tiga Tingkat dengan PI+feedforward pada Beban Nonlinier

ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Pub Date : 2019-09-30 DOI:10.26760/elkomika.v7i3.493

Mochamad Ari Bagus Nugroho, Novie Ayub Windarko, Bambang Sumantri

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引用次数: 3

Abstract

ABSTRAKSebuah konverter daya multilevel inverter diharapkan mampu untuk menyuplai tegangan AC ideal pada kondisi beban linier maupun nonlinier. Diharapkan metode kendali mampu cepat tanggap dan mampu mempertahankan bentuk tegangan AC keluaran inverter. Pengendali PI+feedforward diajukan dalam makalah ini. Pengendali ini akan diuji dengan beban linier maupun nonlinier. Beban nonlinier berupa rangkaian penyearah dengan filter kapasitor. Berdasarkan pengujian simulasi didapatkan bahwa pengendali PI+feedforward lebih cepat tanggap terhadap gangguan yang dibuktikan dengan nilai kesalahan rata-rata absolut sekitar 73% lebih kecil dari pengendali PI. Hasil Simulasi menunjukkan bahwa multilevel inverter dengan kendali PI menghasilkan THDv sebesar 0,669% pada beban linier dan sebesar 1,263% pada kondisi beban nonlinier. Sedangkan dengan kendali PI+feedforward menghasilkan THDv sebesar 0,292% pada beban linier dan sebesar 1,044% pada kondisi beban nonlinier.Kata kunci: mutilevel inverter, pengendali PI, feedforward, beban non-linier ABSTRACTA multilevel inverter power converter is expected to be able to supply ideal AC voltage in linear and nonlinear load conditions. It is expected that the control method is be able to respond quickly and be able to maintain the waveform of the inverter output AC voltage. PI + feedforward controller is proposed in this paper. This controller will be tested with linear and nonlinear loads. Nonlinear load is a rectifier circuit with a filter capacitor. Based on simulation it was found that PI + feedforward controllers were more responsive to interference as evidenced by the mean absolute error (MAE) value of about 73% less than the PI controller. Simulation results show that multilevel inverter with PI control produces THDv of 0.669% in linear load and 1.263% in nonlinear load conditions. Whereas with PI + feedforward control produces THDv of 0.292% in linear loads and of 1.044% in nonlinear load conditions.Keywords: multilevel inverter, PI controller, feedforward, non-linear load

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预计逆变器的多级功率转换器能够为线性和非线性负载条件提供理想的交流电压。我们希望这种控制方法能够迅速响应，并能够保持逆变交流输出的电压形式。PI+feedforward控制器提交于本文件。该控制器将在线性和非线性负载中进行测试。非线性负载是一个带有电容器过滤器的对齐电路。根据所获得的模拟测试，PI+feedforward弯弯机对被证明的异常速度更快，误差值至少比PI小73%。模拟结果表明，具有圆周率控制的多级逆变器在线性负载中产生的THDv为0.669%，非线性负载状态为163%。而通过控制PI+feedforward, THDv在线性负载中占0.292%，非线性负载状态为1044%。密码:主内内的主内控制器、PI控制器、feedforward、一种无线性的抽象负载，预计将能够提供理想的、非线性的功率转换器。预计控制方法将迅速响应，并能够保留逆变器输出AC电压的waveform。PI + feed控制器正在申请这篇论文。这个控制器将尝试线性和非线性的路径。非线性负载是一个具有过滤电容器的回路。基于模拟，专家发现圆周率+费代控制员比圆周率控制器少73%，对干扰的影响更大。线性负荷和非线性负载123.3%的线性负载代表。线性上限和非线性负荷1044%的利润。键盘:多级逆变器，PI控制器，feedforward，非线性负载

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ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika

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