voltage stress 中文意思是什麼
voltage stress
解釋
電壓應力-
To reduce voltage stress of power switches, a series - parallel type cttfc is studied in this paper. voltage - sharing of input capacitors can be realized naturally in discontinuous conduction mode, andvoltage - sharing of input capacitors can also be realized naturally in continuous conduction mode. the voltage stress of power switches is only half of the input voltage, so power mosfet can be used in high input voltage applications
揭示了串?並型雙管組合變換器電流斷續工作方式時輸入電容電壓自然均壓的機理；對于電流連續工作方式，也能實現輸入電容自然均壓。輸出續流管串聯方式的串?串型雙管正激組合變換器，其輸入電容自然均壓特性與串?並型雙管正激組合變換器一致。 -
Test method for dielectric breakdown voltage and dielectric strength of electrical insulating materials under direct - voltage stress
直流電壓應力下電氣絕緣材料的介電擊穿電壓和介電強度的試驗方法 -
In addition, a way of by using the series of circuits instead of series of devices is adapted to halve the voltage stress of the secondary diodes
並且通過改進副邊結構，將副邊二極體器件的串聯變為電路的串聯，能夠實現高頻二極體的動態均壓。 -
Insulation coordination for equipment within low - voltage systems - part 4 : considerations of high - frequency voltage stress
低壓系統內設備絕緣協調性.第4部分:高頻電壓應力問題 -
Standard test method for dielectric breakdown voltage and dielectric strength of solid electrical insulating materials under direct - voltage stress
在直流電壓作用下固體電絕緣材料的介電擊穿電壓及介電強度的標準試驗方法 -
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。 -
Using the modified method, 6 kinds of tl topologies of single - switch converter are obtained. the deep research reveals that these tl topologies can have less value of the inductor by using interleaving modulation strategy compared with conventional modulation strategy on the condition that the current ripple of the inductor are the same. some drawbacks such as high voltage stress, difficulty of realizing soft - switching, and magnetic aberration were presented in the conventional push - pull converter
對基本方法進行改進，提出了適合6種單管直流變換器的三電平拓撲變換方法，成功地得到了其三電平拓撲，開關管的電壓應力降為原來的一半；經過對這些三電平拓撲控制策略的深入研究，詳細論述了交錯開關方式可以最大幅度地減小電感的電流脈動，從而可以在電流脈動要求相同的情況下減小電感的設計值。 -
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。 -
One is that the operation duty cycle can not be larger than 50 % because of the requirement for the transformer resetting. as a result, the voltage stress of the secondary diode is high, which limits the usage of dfc in high output voltage application
但由於變壓器磁芯復位的需要，其工作占空比必須小於50 ，從而造成占空比利用率不高，變壓器副邊電壓高，副邊高頻整流二極體的電壓應力大。 -
The two - transistor forward converter has many advantages, especially its low voltage stress, each power switches need to block only input voltage, so it is widely used in high voltage input application
雙管正激變換器有很多優點，特別是在電壓應力方面，變換器中的兩個開關器件只需承受輸入電壓，因而在高壓輸入的場合得到了廣泛的應用。 -
The three - level ( tl ) topology derivation is a method to reduce the voltage stress of each switch in the converter by increasing the number of switches
直流變換器的三電平拓撲變換是一種通過增加開關管的數量來降低變換器中每隻開關管電壓應力的方法。 -
With the best modulation strategy which was found on condition that it must have largest energy transfer ratio, smallest current ripple of the inductor, and realizing zvs of each switches, the converter overcomes the drawbacks presented by the conventional zvs fb converter, such as high voltage stress of each switches, large current ripple of the inductor, and severe parasitic ringing on the rectifier diodes, so it can get higher efficiency, faster respond speed, and wider application area. the operation principle of the proposed converter is analyzed and verified by a 3kw, 50khz experimental prototype. experiments and research results show that the scheme of the tl topology derivation is reasonable, adjusted modulation strategy makes some other severe problems in conventional topologies easy to solve or makes the converter more competitive
研究結果表明，本文提出的三電平拓撲變換方案合理，針對各種三電平拓撲尋找到的控制策略可以解決變換器存在的某些問題或使變換器表現出更突出的優勢：例如針對單管直流變換器三電平拓撲的控制策略可以減小電感的設計值，針對推挽直流變換器三電平拓撲的控制策略可以實現開關管的軟開關、解決變壓器偏磁問題等，針對全橋直流變換器三電平拓撲的控制策略可以減小電感的設計值、實現開關管的軟開關等。 -
The push - pull tl converter can be deduced by using the basic tl topology derivation and by special derivation only used in this topology, in which, the voltage stress of each switches is input voltage
應用三電平拓撲的基本變換方法，經過對該拓撲結構的特殊變換，得到了推挽三電平直流變換器的拓撲，其開關管的電壓應力為輸入電壓，與傳統推挽直流變換器相比，電壓應力降低了一半。 -
This conclusion is useful to optimize the converter. then it is proposed that the effects of retraining bias - magnetic and reducing the voltage stress of mosfet should be both considered in selecting the clamping capacitance
本文提出對于推挽正激的關鍵參數? ?箝位電容的選取要綜合考慮對偏磁的抑制作用和對功率管尖峰的抑制作用，並給出了選取方法。 -
The characteristic of those topologies are analyzed in detail. a novel isolated interleaving two - transistor forward boost converter is proposed in this paper. this converter has less voltage stress of power switches, and no transformer magnetic deviation
研究一種新穎的隔離boost變換器，它具有開關管電壓應力低，沒有變壓器單向磁飽和問題，可以實現交錯並聯雙管正激電路所有開關管零電壓開關。 -
The converter is characterized by simple structure, zvs, low switch voltage stress, high efficiency and high reliability. the operational principle, the output characteristics and the condition for zvs of the switches are analyzed. the converter has also been verified by simulation and experimental
文中分析了該變換器的工作原理，給出了變換器的輸出特性和實現zvs的條件，對其進行了模擬和實驗驗證，而且對採用半橋直流變壓器的航空靜止變流器進行了模擬研究。 -
The converter not only keeps all the characteristics of the basic zvs pwm h - fb tl converter, but also eliminates the voltage oscillation and voltage spike across the rectifier diodes in both three - level mode and two - level mode, leading to a reduced voltage stress of the rectifier diodes
本文在基本zvspwmh - fbtl變換器中引入兩只箝位二極體，無論是在三電平模式還是在兩電平模式，都可以消除輸出整流二極體反向恢復造成的電壓尖峰和振蕩，降低了輸出整流管的電壓應力。 -
Compared with quasi - resonant, it can reduced transistor voltage stress and improved load range and stability in low frequency range. because of the structure of three - level, transistor voltage stress and filter can be reduced significantly
與傳統的準諧振變換器相比，該變換器功率器件的電壓應力大大降低，在很窄的開關頻率變化范圍內實現寬負載范圍的軟開關。 -
To reduce voltage stress of power switch in the flyback - forward converter, a novel two - transister flyback - forward converter is present in this paper. by adjusting the turns ratio of forward and flyback transformer we can distribute the delivering power of forward and flyback transformer
提出了一種雙管正?反激組合變換器，通過調整正、反激變壓器的匝比關系，可以任意改變正、反激變壓器向負載傳輸功率的分配比率。 -
To reduce voltage stress of transformer secondly diodes, a novel parallel - parallel / serial type cttfc is presnt. it has many attractive characteristics, such as low current stress of power switches, small intput and output filter size, high reliability, and sharing output voltage
提出了一種並?並串型雙管正激組合變換器，該組合變換器具有副邊二極體電壓應力低、開關管電流應力小、輸出均壓、輸入輸出濾波器體積小等優點。
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