high power factor 中文意思是什麼
high power factor
解釋
高功率因素-
Two circuits, characterized by high power factor and low output voltage, are proposed. one is originated from the concept of charge pump, and the other functions in the same principle with so - called buck - boost circuits
最後提出了兩種功率因數校正的電路拓撲：一種是由電荷泵原理引出的；另一種是基於buck - boost原理工作的電路。 -
The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost
該保潔車有七大特點： 1 、該車外型設計美觀大方，操作簡單靈活，明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱； 2 、佳鹿電動保潔車變速箱是我公司的專利產品，特點是拉重貨，輕松爬坡而且省電，延長電瓶的使用壽命； 3 、佳鹿電動保潔車后橋雙輪制動，是我公司的專利產品，特點是結構簡單，操作方便，維修容易，制動性能好； 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度，使環衛工人能輕松地裝卸，倒車時具有良好的視線，減少事故的發生，安全系數高； 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力，減輕了環衛工人的勞動強度，特點是故障少功率大，免維護； 6 、佳鹿電動保潔車整車採用鋼化玻璃，前進倒車都有良好的視線，不易劃傷，保證環衛工人的安全； 7 、佳鹿電動保潔車外部採用鋼板，內部採用玻璃鋼內膽，外部特點：鉸鏈在鋼板上不易松動，經常自卸不變形，經得起碰撞，內部採用玻璃鋼內膽，不生銹、不腐蝕，磨損后內膽可以更換，維護成本低。 -
The system is different from traditional silicon controlled dephasing method, such speedy modules as whole controlled electric and electronic equipment igbt and high frequency pwm controlling methods are employed, and the voltage of exchanging power supply of motor of beam pumping units can be controlled automatically, so there is no problem of power factor being decreased brought by silicon controlled phase single controlled, power factor in power net of beam pumping units " motor is enhanced really
由於雙管齊下，電機電網側的功率因數得到了大大提高。與傳統的可控硅移相控制方式不同，本系統採用全控型電力電子器件igbt等快速模塊及高頻pwm控制方式，對抽油機電機的交流供電電壓進行自動控制，不存在可控硅相控角所帶來的功率因數變差的問題，真正提高了抽油機電網側的功率因數。 -
In this high power laser system, nonlinear self - focusing effect especially the small - scale self - focusing is the main limiting factor
在這種高功率激光系統中，非線性自聚焦效應是其主要的限制因素，其中尤其以小尺度自聚焦效應最為嚴重。 -
The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current
傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換，導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量，功率因數變低（通常只有0 . 65 ） 。 -
High - voltage fuses. part 3 : determination of short - circuit power factor for testing current - limiting fuses and expulsion and similar fuses
高壓熔斷器.第3部分:試驗限流熔斷器和排氣式及類似型式熔斷器的短路功率因數的測定 -
The pulse - width modulated ( pwm ) is the key technologyto acquire the high power factor. the document presents the principle of three - phase pwm, then analyzes and compares the several maturely control methods for pwm
本文將交流電機理論中空間坐標系旋轉變換理論引入到pwm整流器的分析中來，建立了三相pwm整流器的統一的數學模型。 -
In the actual cases, there are many motors often operate on low load with low power factor and low efficiency, also there are many motors operate on the magnetic flux saturate region with high energy consumption, a large mount of energy used by ac motors is wasted due to all of those factors
在實際運行中，許多電動機經常處在低效率、低功率因數的欠載運行狀態下，還有許多電機則是鐵芯磁通常進入飽和區的高能耗電機，這些因素均可導致大量電能的浪費。 -
With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency
本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。 -
The test shows that the vector control speed system has low inverter power, high power factor, perfect dynamic performance, wide speed range. it suits the variable speed system of fan machine and pump and has good prospect on industry application
試驗證明調速系統具有變頻器功率小、功率因數高、動態性能好、調速范圍廣等優點，適用於風機、泵類負載的調速，有良好的工業應用前景。 -
Our products has many good features such as high efficiency, energy saving, high power factor, low starting voltage and temperature, no voice and no frequency tlicking, prolong the tube s life etc
江蘇伯樂達集團年產電子鎮流器200萬只，企業通過iso9001認證，產品取得中國3c認證，歐洲ce gs認證。產品具有高效節能啟輝電壓低啟輝溫度低無噪音無頻閃等特點。 -
Single - phase rectifier with high power factor using sepic converter and rcd clamp is designed and manufactured based on theories discussed above. exprimental results are presented and the results demontrate the theory analysis
在上述理論分析的基礎上設計並研製了基於sepic變換器的高功率因數整流器實驗樣機，樣機採用rcd箝位技術，給出了實驗結果，通過實驗驗證了理論分析的正確性。 -
As the object of the task, ups inverted by igbt with constant current adjusting and high power factor ( abbreviated to ups with constant current ) is known from others by : 1, high power factor as to the power system 2, constant current output at different level according to the demand ( from zero load to rating load )
作為本課題的主體，高功率因數恆流調光igbt逆變ups （以下簡稱恆流ups ）具有其區別于普通ups的獨特之處： 1 、實現電網側的高功率因數2 、電源輸出為分級恆流（從零負載到額定負載） 。 -
The importance of the high power factor has been recognized by residential and office equipment manufacturers for their own benefit to maximize the power available from a wall outlet
居民和辦公設備製造商都已經認識到提高功率因數的重要性。他們都可以通過提高功率因數而獲得最大的電能並從中獲益。 -
The simulation result indicates single - phase reversible rectifiers have some advantages, such as high power factor, controllable dc voltage on bus bar and bi - directional flow for power. this lays a good theoretical foundation for realization of prototype
模擬結果表明，單相可逆整流器具有功率因數高，直流母線電壓可控，功率可雙向流動的優點，為下一步樣機的實現打下了良好的理論基礎。 -
Active pfc techniques have been researched systematically and used widely in the recent twenty years because of high power factor ( pf ) and low total harmonic distortion ( thd )
有源pfc技術具有功率因數高和總諧波含量小等優點，在過去的二十年裡，得到了長足的發展和廣泛應用。 -
This thesis studied on the 3 - phase high power factor reversible rectifier
本文對三相高功率因數可逆整流電路進行了分析和研究。 -
Chapter two expatiate mainly the function principle of the ups with constant current as the electric power is available, interpreting how the ups can realize high power factor
第二章主要闡述了恆流ups在市電供電時的工作原理，解釋了其能實現電網側高功率因數的原因。 -
In this paper, in order to solve the problem from the traditional rectifiers, a set of high power factor reversible rectifier scheme is designed
Pwm整流器的出現為解決傳統整流器的這些問題提供了新的途徑。針對目前單相整流橋這些缺點，本文設計了一套高功率因數可逆整流器方案。 -
The prototype for single - stage ac / dc converter with uninterruptible power supply and high power factor is designed and manufactured. the test results are given and corresponding to the theoretical analysis
設計並研製了單級不間斷高功率因數ac dc變換器原理試驗裝置，給出了它的試驗結果，試驗結果和理論分析一致。
分享友人