階梯波電壓 的英文怎麼說
中文拼音 [jiētībōdiànyā]
階梯波電壓
英文
staircase voltage- 階 : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
- 梯 : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 壓 : 壓構詞成分。
- 階梯 : (臺階和梯子, 比喻向上的憑借和途徑) a flight of stairs; ladder; staircase; step
- 電壓 : voltage; electric tension; electric voltage
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Multilevel inverter technology is a pop research in high voltage and high - power converting fields. it can synthesize multilevel output with the distribution of dc voltage and the combination of different switching actions to reduce voltage stress across the switches and bulk of the equipment, and lessen output harmonic distortion and switching loss of the inverter
多電平逆變器是當前高壓大功率電能變換領域中的研究熱點之一,它通過對直流側的分壓和開關動作的不同組合,實現多電平階梯波輸出電壓,能有效地減小器件承受的電壓應力,縮小裝置體積,減小輸出電壓諧波和開關損耗。Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis
針對地鐵車輛輔助逆變電源的大功率、直流側輸入電壓高且變化范圍寬、輸出電壓穩定且波形質量高,電子部件全密封且要求自然冷卻的特點,分析比較了幾種大功率逆變器技術方案,選擇單邊脈寬調制階梯波合成逆變器為研究對象。A new complex structure of 12 - stepped wave converter is presented in the paper. it can greatly increase the output voltage without increasing the input dc voltage
摘要提出一種復合型12階梯波變流器的拓撲結構,在不提高直流輸入電壓的前提下可以較大幅度提高輸出電壓。Second, a direct torque control for pmsm based on stepping spwm is analyzed. in classic dtc system, the torque and current ripples are larger because of the restriction of the number of voltage vectors. by means of the vectors subdividing theory, using a new method of dividing voltage vectors based on stepping spwm, more voltage vectors on a circle in space can be achieved
其次考慮到上述的經典的dtc演算法中,由於電壓矢量個數(六個)的限制,使得轉矩波動和電流波動都比較大;針對於此,本文利用矢量細分原理,提出了新的基於階梯spwm的電壓矢量生成方法,得到了更多的空間上均勻分佈的電壓矢量,可對電壓矢量進行更加有效的選擇。Three - level converter is a novel technology that is produced and developed in 1980 ' s. three - level ladder output voltage is accomplished by dc - side division voltage and different switch combination, and the capacity of converter system and endure voltage are efficiently improved, and the output voltage harmonics and switch loss are reduced
三電平換流器是20世紀80年代產生並發展起來的一種新興變流技術,它通過對直流側的分壓和開關動作的不同組合,實現三電平階梯波輸出電壓,能有效地提高換流器系統地容量和耐壓,減少輸出電壓諧波和開關損耗。分享友人