leading voltage 中文意思是什麼
leading voltage
解釋
超前電壓-
1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %
從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。 -
Abb is supplying holland america line with high voltage shore connections ( hvsc ) to eliminate the emissions of ships berthed at a leading u. s. port
Abb正在為荷蘭美洲航線提供高壓岸上線路（ hvsc ）解決方案幫助一個主要的美國港口減少船隻在停泊處的排放。 -
Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程，功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析，並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。 -
Sbve is a leading manufacturer of vacuum interrupters, the main technological component of medium voltage vacuum circuit breakers
Sbve是一家領先的中壓真空電路斷路器中的主要技術部件的真空斷續器製造商。 -
The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation
二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。 -
A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器，電路的主要優點是：前級移相全橋的移相角控制在_ d _ i和_ （ overlap ） - _ d條件下，超前橋臂零電壓開通，滯后橋臂零電流關斷，並使周波變流器所有開關在零電壓期間重疊換相，使整機開關最大程度地實現了軟開關，並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。 -
Wuxi, nov 18, 2007 - - on november 18, 2007, siemens medium voltage switching technologies ( wuxi ) ltd. ( smvs ) celebrates its 10th anniversary, together with the successful application of siemens world - leading 25 - years of gis ( gas insulated switchgear ) and 35 years of vi ( vacuum interrupter ) technology
無錫11月18日消息? 2007年11月18日，西門子中壓開關技術（無錫）有限公司慶祝公司成立十周年，以及西門子全球領先的氣體絕緣開關（ gis ）和真空滅弧室（ vi ）技術也分別迎來了成功應用25周年和35周年。 -
Generator s operation with leading power factor, as a means of voltage control, has been adopted widely as required in case of light load and high voltage
作為一種調節系統電壓的手段，發電機進相運行已在電網小方式電壓偏高情況下按系統需要普遍採用。 -
The heating length, leading length, designed voltage and power are all according to customers demand
電加熱帶線的加熱長度引線長度額定電壓功率由用戶確定。 -
1. length, voltage, power no more than 100w, leading length are basing on customers request. 2. it can work in the following conditions
2電加熱帶線可以在以下環境中正常工作： -
Firstly, the contributing factors leading to reignition and over - voltage are briefly discussed. then, with the aid the systematic simplified model and circuit equation, the thesis analyzes in detail the types and range of over - voltage of the capacitor banks under different circuit and switching conditions. the damage and the expected control level are identified
論文首先簡要論述了重燃現象及過電壓的成因;然後藉助系統簡化模型和電路方程，具體分析計算了不同電路和操作條件下投切電容器組過電壓發生的類型和幅值，明確了危害的程度和需要控制的目標水平。 -
Leading edge cuts the front from the the main - voltage sinus after the zero - cross
飛機螺旋槳的前邊緣在零交叉只后阻斷了高電壓的前峰。 -
Being basis on the 14 regional grid planning texts of historical data of hunan province, initially determining the factors that affecting power grid construction ; to reflect the distribution of information to determine the scale of construction leading indicators to assess the scale, with its own network of intelligence presented to the region to assess the scale of the distribution network - building indicators system ; establishes assessment models of evaluating 110kv distribution network building scale integrated ; considering the main factor that influencing the construction scale of the distribution network, the improvement method of 10kv distribution networks capacity - load ratio is proposed ; the combination of high voltage distribution network planning optimization technology results presented evaluation pressure distribution network building scale integrated assessment methods
課題以湖南省14地區電網已有規劃文本歷史數據為基礎，初步確定各種影響電網建設的因素;以反映配電網建設規模的主導信息來確定規模評估指標，提出了符合自己網情的地區配電網建設規模的評估指標體系;建立了評價110kv配電網建設規模的綜合評估模型;通過研究各影響因素與負荷發展儲備系數參數的關系提出了確定10kv變電容載比的方法;結合高壓配電網規劃的優化技術成果，提出了評價中壓配電網建設規模的綜合評估方法。 -
The scheme of realizing soft - switching can be found, at the same tune, the concepts of the leading switches and the lagging switches are presented. two kinds of soft - switching methods, zero - voltage - switching ( zvs ) and zero - voltage and zero - current - switching ( zvzcs ), can be classified on the base of realizing soft - switching of the lagging switches
在對其控制策略的研究中，找出了可以實現軟開關的方案；同時提出了超前管和滯后管的概念，根據滯后管實現軟開關的方式，將變換器的軟開關方式分為兩類：零電壓開關方式和零電壓零電流開關方式。 -
The zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode, the output rectified voltage is close to the output voltage over the entire input voltage range, thus the output filter can be reduced significantly, leading to high power density and fast dynamic response. so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells, photovoltaic cells, and telecom power supplies, where the voltage varies in a wide range
零電壓開關復合式全橋三電平（ zero - voltage - switchingpwmhybridfull - bridgethree - level ， zvspwmh - fbtl ）變換器可以工作在三電平模式和兩電平模式，在很寬的輸入電壓范圍內，輸出整流電壓都接近輸出電壓，從而可以減小輸出濾波器，因此可以提高變換器的功率密度和改善動態性能。 -
Abb ' s high voltage shore connection enables the vessels to cut fuel costs and virtually eliminate greenhouse gas emissions and noise pollution during stopovers at one of the leading ports on the u. s. west coast
Abb的高壓岸上線路解決方案使得船隻削減燃料成本，而且在這個美國西海岸主要港口之一作中途停靠的時候，消除了溫室氣體的排放和噪音污染。 -
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。 -
Ningbo tulip electron co., ltd. is a professional electronic company, specialized in producing energy - saving lamps, electronic ballasts, electronic testing instruments, dc regulated power suppliers and ac automatic voltage regulators. as one of the leading electronic manufacturer in china, " tulip " owns advanced facilities including one panasonic smt machine, two pcb board inserting lines, one set dual wave sodering line and one pvc belt converyor
寧波得力浦電子有限公司是一家生產各類電子節能燈、電子鎮流器、電子測量儀器儀表等直流壓電源，交流穩壓器等其他電子產品的專業公司。具備國內先進的生產設備，流水線及檢測。 -
Zero - voltage - switching three - level dc / dc converter in the thesis is developed and manufactured, and the basic operation principle and its control strategies of three - level zero - soft - switch pwm dc converter are discussed. hardware design of main system and control system is accomplished by circuit design software protel99se. the difference of leading switches and lagging switches to realize the zero - voltage switching and the reason of duty - cycle loss is emphatically argued
本課題通過三電平零電壓開關直流變換器（ zero - voltage - switchingthree - leveldc / dcconverter ）的研製，探討了三電平軟開關pwm直流變換器的基本工作原理及其控制策略，利用電路設計軟體protel99se完成了控制系統及主系統的硬體設計。 -
A broad usage in the low - voltage insulation lines, leading the branch connection from the main conductor ; t - connection of low - voltage insulation wire serice and cable branch connection for the building distribution system
廣泛應用於低壓絕緣線路以主線上引出分線的連接，或用於建築配電系統中低壓絕緣線與電纜分支線的t -連接。
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