緩沖電壓 的英文怎麼說
中文拼音 [huǎnchōngdiànyā]
緩沖電壓
英文
buffer voltage-
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一般壓力表氣壓表抗震壓力表充油壓力表全不銹鋼壓力表膜盒微壓表電接點壓力表冷媒壓力表真空壓力表壓力真空表隔膜壓力表微型壓力表差壓表微差壓表絕壓表精密壓力表耐高溫壓力表蒸氣壓力表汽車燃氣壓力表醫用壓力表遠傳壓力表衛生型壓力表壓力表緩沖管壓力表冷凝散熱器壓力表翅片散熱器壓力表開關不銹鋼連接彎管不銹鋼連接軟管轉換接頭油壓連接頭壓力表針閥節流閥及過壓保護附件濾油網加油口油溫油麵計雙金屬溫度計等。A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )
在yj ?緊裝式六面頂壓機上,對原有的礦物、巖石電性測量系統進行了進一步的改進:建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器,使用mo電極和mo盾來控制樣品氧逸度的測量系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖對。The experiment result shows that the snubber can suppress the over voltage effectively at switch off and its dissipation is little
實驗結果表明,該電路能夠有效防止igbt關斷過電壓,緩沖電路損耗較小。By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability
然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點,確定了電流密度比補償型共源共柵結構作為本設計核心電路結構,運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路,改善了核心電路的帶負載能力和電流驅動能力。Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters
通過對電控可變氣門系統的主要結構參數,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些結構參數存在一組最佳值。Epdm colored granule is not only used in the track and field racetrack, all kinds of court, universities, middle and primary schools, stadium, still used in the slipresistance passway around the swimming pool, gymnasium, overpass, underpass, protecting such numerous respects as the place, ward, activity of disabled person and training court, distribution room, computer room of the army, the bathroom, kindergarten, nursery bottom game, etc
三元乙丙橡膠可用於製造耐熱輸送帶蒸汽膠管耐化學品腐蝕的密封製品極適用於橋梁碼頭軌道枕墊等緩沖及減振材料各種防水材料各種膠板和護套等它又是電線電纜的良好絕緣材料,特別適用於高中壓電纜還可製造各種汽車配件。The push - pull mode switch power supply is chosen as the main circuit of the other voltages with pwm control circuit, over - current protection circuit, insulated drive circuit, mosfet buffer circuit and so on
採用高效的推挽式電路作為中低壓電源的主電路,並以pwm控制電路、隔離式驅動電路、過流保護電路、 mosfet緩沖電路、軟啟動電路、穩壓電路等作為輔助電路。User can chang it freely. the signals sampled on hardware interrupt assure the real - time property and control reliability. chapter 4 first analyzes the basic characteristics of electropneumtic proportional / servo cushioning controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon
第四章首先將電-氣比例伺服控制引入到緩沖控制中,分析了系統被控對象的基本特性,著重分析了氣源壓力變化、閥口死區、系統摩擦力特性和氣路飽和現象對控制系統的影響。Under high drain voltage condition, the results proved that channel electrons are easily ejected into gan buffer layer and be trapped to induce current collapse
在大漏極電壓條件下,溝道電子易於注入到gan緩沖層中,並被緩沖層中的陷阱所俘獲,耗盡二維電子氣,從而導致電流崩塌效應。Two kinds of common used snubber circuits are studied through simulation and experiment. it is pointed out that the rcd snubber has less power loss. increasing the turn ratio of transformer is helpful for the energy, which is stored in the primary side of transformer, to be transferred to the secondary side
通過實驗和模擬,對比研究了電路中周波變換器的兩種常用的緩沖電路,指出採用rcd緩沖電路損耗更小;提高變壓器匝比有利於減小鐵芯儲能的回饋,提高逆變器變換效率,但它同時也增加了副邊功率管的電壓應力,必須綜合兩方面確定合理的匝比。To closely investigate the uncertain nonlinear factors in the cushion process and simplify their influence for the sake of the mathematic modeling, an experimental rig is designed and constructed, for which the mechanical, hardwired and software tasks have been done. 5
為了研究氣動緩沖和液壓緩沖器緩沖過程中不確定的非線性因素,在可接受的范圍內進行簡化以方便建立相關的數學模型,設計、搭建了氣動緩沖和液壓緩沖器建模用實驗臺,完成了機械、電路、軟體等多方面的任務; 5Based on studying of the multi - level technique, a variable frequency speed regulation system based on the diode clamped three - level inverter is introduced in this thesis in detail. it includes ac - dc - ac main power circuit, snubber circuit, isolated driving circuit by optical fibre, delay time circuit on powering, sampling circuit of current and voltage, protection circuit and etc. a distributed power system ( dps ) which can reinforced the system ’ s security is developed to solve the power supply of the whole system
本文在研究多電平技術的基礎上,研製了一套以二極體箝位式三電平逆變器為基礎的變頻調速系統,包括:交-直-交主功率電路,緩沖電路,光纖隔離驅動電路,上電緩沖延時電路,電流、電壓采樣電路,保護電路等。However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition
諧振、準諧振或多諧振技術方案,變換器的電壓電流應力較高,變頻控制增加了濾波器設計的難度;能量緩沖吸收電路或有源鉗位電路方案,由於需要增加多個額外輔助元件,增加了變換器的復雜性;全橋相移技術方案,由於主電路無需增加額外元件,只需利用相移控制,即可實現軟開關,因此引起關注。High amplitude trigger pulse meets the power requirements of many thyristors connected in parallels. the voltage peak emerged in switching off inductance circuit is amortized by resistor and capacitor absorbed circuit
選取r = 54 , c = 0 . 22 f的阻容緩沖吸收電路有效降低了快速晶閘管關斷感性負載產生的過電壓。The production is composed of dtzziii - ah type elevator weight - load indicating controller box, four pressure sensors and buffer rubbers
產品由dtzz - ah型電梯重量載荷指示控制儀四隻壓力傳感器和緩沖橡膠塊組成。Thirdly, the snubbers are designed to compress the switching voltage transient. when igbt is abruptly turned off, trapped energy in the circuit stray inductance is dissipated in igbt, causing a voltage overshoot and damaging igbt. this paper analyzes the principle of the snubber and discusses the impact of the parameters of the snubber on voltage overshoot
針對igbt工作過程中出現的電壓尖峰、電流尖峰和大的開關損耗問題,本文首先從理論上詳細分析了igbt逆變橋緩沖電路的工作原理,推導出緩沖電路各元件的參數計算公式,討論了緩沖電路各元件參數對關斷電壓波形的影響並進行了模擬分析。In this paper, the growth technology is presented for epitaxial silicon carbide films on sapphire with a buffer layer by atmospheric - pressure chemical vapor deposition ( apcvd ) process. the effect of temperature and precursors flow rates on the growth of silicon carbide films by chemical vapor deposition is analyzed. the structural properties of the films grown on sapphire compound substrate are studied by x - ray diffraction ( xrd ), x - ray photospectroscopy ( xps ) and photoluminescence spectroscopy
本論文提出了在藍寶石上引入一層緩沖層材料形成復合襯底,採用常壓化學氣相淀積( apcvd )方法在其上異質外延生長sic薄膜的技術,分析了cvd法生長sic的物理化學過程,通過實驗提出sic薄膜生長的工藝條件,並通過x射線衍射( xrd ) 、 x射線光電子能譜( xps ) 、光致發光譜( pl譜)和掃描電鏡( sem )對外延薄膜的結構性質進行分析。Epe compression and transformation rate are the lowest in same type of material. suitable for repeatedly crash buffering. long distance transport of precise equipment, electronic and computer
Epe壓縮變形率,為同類包材中最低體積最小,適合多次撞擊緩沖保護,精密儀器,電腦電子系列長途產品運輸。When start to operate the furnace, raise voltage alowly and gradually, never give full load at one time, or the heating element will be damaged by over current impulse
爐子在開始通電運行時,要逐步緩慢升壓,不可一次加滿負荷,否則會因沖擊電流過大造成元件損壞。First, this paper analyzes the principle of the snubber circuit of igbt inverter in detail, and the parameter of the snubber circuit components are derived. it also analyzes the twice voltage peak of the snubber circuit during the period of turnoff and discusses the impact of the parameter of the snubber circuit components on the waveform of turnoff. the reference materials for the snubber circuit design are proivided theoretically in this paper. futhermore. it analyzes a soft switching circuit that suits pulse power supply
本文首先從理論上詳細分析了igbt逆變橋緩沖電路的工作原理,推導出緩沖電路各元件的參數計算公式,分析了緩沖電路在關斷過程中的兩次電壓尖峰,討論了緩沖電路各元件參數對關斷電壓波形的影響,為緩沖電路的設計提供了理論上的依據。分享友人