三相換流裝置及其控制方法與並聯式電源轉換系統THREE-PHASE INVERTING APPARATUS AND CONTROL METHOD AND PARALLELED POWER CONVERSION SYSTEM THEREOF

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

14/975,861

專利證號

US 9,680,397 B2

專利獲證名稱

三相換流裝置及其控制方法與並聯式電源轉換系統THREE-PHASE INVERTING APPARATUS AND CONTROL METHOD AND PARALLELED POWER CONVERSION SYSTEM THEREOF

專利所屬機關 (申請機關)

國立清華大學

獲證日期

2017/06/13

技術說明

一種三相換流裝置及其控制方法與並聯式電源轉換系統。所述控制方法適於控制具有多個開關組、第一電感、第二電感以及第三電感的三相換流器，其中控制方法包括以下步驟：獲得直流鏈電壓、多個相電壓與多個相電流；獲得第一電感、第二電感以及第三電感的電感值；依據直流鏈電壓、所述多個相電壓、所述多個相電流的電流變化量、所述多個電感值以及基於正弦脈衝寬度調變的切換週期，以分切合整控制手段計算出多個開關責任比；以及基於所述多個開關責任比產生對應的控制訊號以控制所述多個開關組的切換。 A three-phase inverting apparatus and a control method and a paralleled power conversion system thereof are provided. The control method is suitable for controlling a three-phase inverter having a plurality of switch, a first inductor, a second inductor, and a third inductor. The control method includes following steps: obtaining a dc bus voltage, a plurality of phase voltage, and a plurality of phase current; obtaining inductance of the first, the second, and the third inductors; calculating a plurality of duty ratios, by a division-summation control means, according the dc bus voltage, the phase voltages, current variation of the phase currents, the inductance, and switch period based on sinusoidal pulse width modulation (SPWM); and generating corresponding control signals based on the duty ratios so as to control the switching of the switches.

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連絡單位 (專責單位/部門名稱)

智財技轉組

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03-5715131-62219

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