Input Current Ripple Analysis of Multiphase PWM Inverters
Authors: Muqorobin Anwar , Argo Dahono Pekik 
Published: January 2019

<span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: IN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">This paper investigates the </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">relationship between inverter </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: IN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">phase number </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">and </span><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-style: italic;" lang="EN-US">inverter</span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US"> input current ripple. Analysis results show </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: IN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">that </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">increasing </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: IN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">the phase number more than nine cannot provide significant input current ripple reduction. </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">The input current ripple is not </span><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-style: italic;" lang="EN-US">affected</span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US"> by the switching frequency. </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: IN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Simulation and experimental results are included in this paper to </span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">show the validity of the proposed analysis method</span><span style="font-family: 'Times New Roman','serif'; font-size: 9pt; mso-fareast-font-family: 'MS Mincho'; mso-ansi-language: IN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">.</span>