According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基礎(chǔ)上對PWM整流器的一些關(guān)鍵問題提出了自己的研究思路久久久精品首页、觀點和方法：根據(jù)PWM整流器網(wǎng)側(cè)矢量關(guān)系wwwA片网站国产，直觀地描述了其四象限運行的基本原理及特征；定量分析了VSR十八岁以下禁止看的黄、CSR的PWM換相過程及波形特征2012在线中文字幕；引入等效變壓器模型并詳細(xì)分析了VSR、CSR基于d—q模型的動又硬又爽又粗又长的视频、靜態(tài)特性九九自拍偷拍；提出了滿足四象限有功、無功運行指標(biāo)時的VSR交流側(cè)電感設(shè)計方法国产免费A片地址；并提出了依據(jù)控制系統(tǒng)跟隨性和抗擾性性能指標(biāo)設(shè)計VSR涩涩的网站、CSR直流側(cè)儲能元件的參數(shù)計算方法；在研究了VSR電流控制策略基礎(chǔ)上午夜黄色网a，提出了影響VSR電流控制的幾個要素国产黄页在线观看黄A∨，并進(jìn)行了定量分析；根據(jù)VSR空間電壓矢量的定義及分布免费欧美影院一区，提出了基于規(guī)則控制的不定頻滯環(huán)空間矢量PWM電流控制策略亚洲国产二区，并由此提出了具有雙滯環(huán)特性的不定頻滯環(huán)優(yōu)化SVPWM電流控制策略，有效地改進(jìn)了滯環(huán)PWM電流控制性能色就色综合偷拍区网址。

Based on two kinds of control strategies of VSR under unbalanced grid condition,the introduction of a new VSR control strategy featuring undamped -oscillation that simplifies the controller structure and effectively improves VSR"s performance under unbalanced grid condition.· A systematic description of the state switching in trilogic PWM signal generation of three-phase CSR by using the conversion between bilogic and trilogic switching functions.· Referenced to the CSR"s trilogic PWM signal generation, an approach to achieve low-stress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss.

在研究了兩類電網(wǎng)不平衡時的VSR控制策略基礎(chǔ)上很操亚洲美女，提出了一種新型的基于無阻尼振蕩控制器的VSR不平衡控制策略，在簡化控制結(jié)構(gòu)的同時免费看黄的视频网站，有效地改善了電網(wǎng)不平衡時的VSR控制性能欧美一级A片裸体视频；·通過二、三值邏輯開關(guān)函數(shù)間的轉(zhuǎn)換国模一区二区三区私拍视频大胆，系統(tǒng)地描述了三相CSR三值邏輯PWM信號發(fā)生中的狀態(tài)切換中文字幕综合国产；·結(jié)合三相CSR三值邏輯PWM信號發(fā)生規(guī)律黄色欧美网站，提出了通過調(diào)整矢量合成順序而使功率管獲得自然換相的低電壓應(yīng)力SVPWM控制，從而有效地降低了功率管的開關(guān)損耗人人爽碰97青青草原。

Referenced to the CSR's trilogic PWM signal generation, an approach to achieve lowstress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss. With the background of and well instanced by the Xinjiang Autonomous Region's Key SciTech Project"Solar Photovoltaic grid-connected inverter", the dissertation work implemented the new approach of a grid-connected PV inverter that was of single-phase VSR topology and with MPPT .

在研究了兩類電網(wǎng)不平衡時的VSR控制策略基礎(chǔ)上日本在线免费小电影，提出了一種新型的基于無阻尼振蕩控制器的VSR不平衡控制策略，在簡化控制結(jié)構(gòu)的同時亚洲免费网址你懂的，有效地改善了電網(wǎng)不平衡時的VSR控制性能在线观看中文字慕；通過二、三值邏輯開關(guān)函數(shù)間的轉(zhuǎn)換国产精品一级无码色欲，系統(tǒng)地描述了三相CSR三值邏輯PWM信號發(fā)生中的狀態(tài)切換丁香婷五月；結(jié)合三相CSR三值邏輯PWM信號發(fā)生規(guī)律，提出了通過調(diào)整矢量合成順序而使功率管獲得自然換相的低電壓應(yīng)力SVPWM控制在线观看视频线上观看黄片平台，從而有效地降低了功率管的開關(guān)損耗美女18网站。