level converter 中文意思是什麼
level converter
解釋
電平交換器-
The high level of hc in the exhaust gas may damage the catalytic converter.
廢氣中大量的HC會損壞催化式排氣凈化器。 -
Study of energy feedback snubber circuit in high power ipm three - level converter
大功率三電平變流器中的能量回饋型吸收電路 -
Based on the above theoretical analysis, a 1kw three - level buck converter with passive soft switching is designed in this thesis
在理論分析的基礎之上，本文結合多電平技術與無源軟開關技術，設計了一臺1kw的無源軟開關三電平buck變換器。 -
The main work of this thesis is theoretical and experimental research on non - isolated single - end three - level dc / dc converters with passive lossless soft switching. a 1kw three - level buck converter with passive soft switching is designed to verify the research
本文的主要工作是對無源軟開關三電平非隔離dc dc變換電路的理論與實踐研究，設計並實現了一臺功率1kw的無源軟開關三電平buck變換器。 -
Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation. in some case, low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi. it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range. among all chaotic switching modulations, the ccfmfd is considered as the best choice in applying to dc / dc converter
與隨機調制模式相同，混沌開關調制模式也引入輸出低頻噪聲紋波，有些情況下低頻噪聲紋波可能抵消混沌開關調制降低emi水平的效果。分析表明： ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優點，可以作為混沌調制模式較佳的選擇。 -
A new soft - switching push - pull three - level converter
一種新型軟開關推挽三電平直流變換器 -
A lcc multi - resonant ( mr ) network is added to the traditional three - level converters to realize zvs. the unique arrangement of a multi - resonant network results in absorption of all major parasitic components hi the resonant circuit, such as transistor output capacitance, diode junction capacitance and transformer leakage inductance, which can eliminate parasitic oscillation in the converter
它的優點在於諧振電容吸收了開關管和續流二極體的結電容，諧振電感吸收了變壓器的漏感，使得開關管和續流二極體都能在軟開關的條件下完成導通和關斷過程，消除了電路中的寄生振蕩。 -
The following is main content of our thesis. the first, we analyze the system operation theory of cmos image sensor with pixel level adc ( a / d converter ). it is made up of three sections : pixel array, clock signal generator and sam ( sequential access memory )
本文的主要內容如下：首先，我們對像素級a d轉換型圖像傳感器的系統工作原理進行了分析，是由像素陣列、時鐘信號產生器和sam （順序讀寫存儲器）三部分構成的。 -
A novel three - level ac chopper is proposed, which is a new multi - level converter applied to high voltage conversion, and utilizes more electric levels to form output voltage and decrease the harmonic content of output waveform
摘要提出一種用於高壓電能變換的新型三電平交流斬波電路，該電路允許使用低電壓等級的器件完成高壓電能變換，並採用較多的電平數去逼近所希望的波形，使輸出電壓或電流的質量大大提高，諧波含量減少。 -
Based on the small - signal model, the three - level converter is taken as the example to illustrate the design of the closed - loops
然後以buck三電平變換器為例，分別設計其輸出電壓閉環和飛跨電容電壓閉環的補償網路，最後進行了模擬和實驗驗證。 -
The characteristics of three - level ( tl ) converter and its effect to the zero - crossing distortion are analyzed, and extended it to ml converters, which are suitable for the high input frequency pfc application
文章詳細分析了三電平（ three - level ， tl ）變換器的特點和對輸入電流過零畸變的改善作用，並推廣至多電平變換器。 -
The operation of buck tl converter are analyzed as well as parameter design and input / output characteristics. hfb tl converter has two phase legs, one is three - level leg, the other is two - level leg
Buck三電平變換器具有將開關管電壓應力減小一半，大大改善輸出濾波器工作條件的優勢，論文詳細分析它的工作原理、參數設計和外特性。 -
The multi - level ( ml ) converter has the advantages such as low voltage stress for power devices, smaller output filters and reduced harmonic content of the output voltage, it is very suitable for high voltage and high power conversion applications
多電平變換器具有電壓應力低、輸出濾波器小及輸出電壓諧波含量小等優點，特別適合於高電壓大功率的應用場合，近年來正受到越來越多的關注。 -
Also a prototype for the boost two - level converter is built. the experimental results show that the boost tl converter has lower input current harmonics than the boost two - level converter, and it can satisfy the limits specified in rtca do - 160d. so the boost tl converter has the potential to apply in the future variable frequency ac airborne system ranged from 360hz to 800hz
並完成一臺boostpfc變換器進行實驗對比，實驗結果表明，相比于boostpfc變換器， boosttlpfc變換器能有效地減小電流諧波使其滿足相應的諧波標準rtcado - 160d ，所以它適合於即將採用360hz - 800hz變頻交流供電體制的航空電網。 -
The converter had the virtues of high integration level, high efficiency, high reliability and low cost. it can be formed high efficiency power supply by using a few external components
開關電源系統由於其具有高效率、高可靠性、體積小和抗干擾能力強等優點，使得開關電源變換器電路成為國內外廣泛研究的對象。 -
Abstract : the paper deals with the method for separating and shielding the environmental interference effectively in sound - level detecting converter slagforming by theoretical analysis of acoustics, and the way to detect the available blowing sound
文摘:通過聲學理論分析，闡述了在音平檢測轉爐造渣過程中有效隔離和屏蔽干擾的方法，以及如何優化檢取有用吹煉噪聲。 -
In this paper, a three - level double forward converter ( tdfc ) is proposed to meet the requirement for high input voltage and high output voltage application
因此，由於雙管正激變換器自身的特點而限制了它在高輸入電壓和高輸出電壓領域的應用。 -
Study of dual pwm three level converter drives system
變頻調速系統研究 -
A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike
針對傳統（半橋）三電平直流變換器的一些不足，本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器，可以使開關管在全負載范圍內實現零電壓開關，副邊整流二極體無電壓尖峰，無占空比丟失。 -
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。
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