耗用功率 的英文怎麼說
中文拼音 [hàoyònggōnglǜ]
耗用功率
英文
power drain- 耗 : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 功 : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
- 率 : 率名詞(比值) rate; ratio; proportion
- 耗用 : usage
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Presently, the world largest scale and most influential brand meeting : 2004 international vehicle maintenance equipment exhibition attracts exhibiters from more than 100 countries and regions in the world to participate the conference in german frankfort. zonda auto group, the leader in chinese maintenance trade, introduced the new product which behalf the international advanced technology, such as paint equipment, became the spot light on the exhibition. the new product zd - 900 of zonda is a new - type of energy - conserving product, adopt international advanced technical, the heat system which the core parts of the product meet the high level demand
車輛行駛時,可利用富餘功率給電池充電,無需停車充電,也不必增加充電站該車每100公里油耗僅22 . 4升,比同等噸位的燃油汽車節油30 % ,加滿一箱油可行駛650公里尾氣排放達到了歐標準維修費用僅為燃油車的1 3該車在國家汽車質量檢測中心通過了54項強制性試驗,下線后已行駛1 . 7萬公里,表現出了良好的安全性能。With the ground effect, they own higher lift / drag ratio than general aircraft, so need less thrust power and have the ability to carry more loads or fly longer
在地效的作用下,它的升阻比比一般的飛機大,因而飛行時所消耗的推進功率小,具有更大的載重量或航程。Schottly barrier diode can be used as rectifying and continuous - flow unit in high frequency rectifying, switching and holding circuit, yet reducing the power consumption and circuit noise, enhancing the circuit efficiency and operation frequency
肖特基二極體在高頻整流、開關電路和保護電路中作為整流和續流元件,可以大幅度降低功耗,提高電路效率和使用頻率,減少電路噪聲。As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system
功率放大器( pa )作為無線通信射頻發射機中不可缺少的關鍵電路,對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用,而適用於恆包絡信號放大的e類功率放大器,更是在現代通信系統中佔有十分重要的地位。In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz
該組件由五個部分組成:功率為10dbm信號經過波導? ?微帶過渡,然後混頻,濾波將30ghz提高到35ghz濾除不需要的諧波鏡頻以及三階交調信號,為了彌補混頻濾波的變頻損耗,加一級功率放大器,此放大器採用hittle公司hmc283晶元,此上變頻放大組件完成了上變頻?濾波?放大功能。Abstract : igct is a kind of new ideal medium - voltage and high power semiconductor switching device. it has the advantages of high voltage, high current, low conducting loss, high switching frequency and easy sevies connection. therefore it is suitable for medium - voltage inverters with wide application prospects in the mine
文摘: igct是一種新的理想的中壓大功率半導體開關器件,它具有高電壓、大電流、低導通損耗、高開關頻率、易於串聯優點,因此適用於中壓變頻,在煤礦具有廣泛的應用前景。Mounting all our drills on structurally independent frames gives us the flexibility for mounting the drills on many different types of lorries, crawlers or trailers
所有的操作系統的動力,包括動力頭和加壓系統的動力,都是由汽車底盤發動機直接提供,或採用單獨的功率匹配的發動機(柴油發動機或電動機)提供.油耗低Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory
對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有功功率損耗和電壓的模糊區間值,使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論相結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損率和節點電壓最大偏移量最小的最優運行狀態。Especially in high power laser applications, absorption can cause thermal distortion to optical components, then change the transmission characteristics of the incident beam, and also lower the laser induced damage thresholds ( lidt )
尤其在高功率激光作用下,吸收損耗不僅會引起光學薄膜元件的熱畸變,影響激光傳輸特性,還會降低薄膜的損傷閾值。We firstly summarize the development of yb - doped fiber lasers, pumping methods and the applications of high - power fiber lasers. 2. considering the scattering loss, we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations, numerically analysis the changes of laser performances, such as laser power with the parameters of laser cavity, including output mirror reflectivity, optimum length of double clad fiber
研究主要內容包括如下幾個方面:一、首先對摻鐿光纖及摻鐿光纖激光器的發展狀況、包層泵浦技術和高功率光纖激光器的應用等進行了綜述;二、在前人對高功率雙包層光纖激光器的理論基礎上,在考慮了光纖散射損耗因子的情況對光纖激光器理論進行了推導,給出了準解析解,進一步完善了理論分析。The high - speed digital signal processor is adopted and the real - time and reliability are improved greatly. the system with low - loss and high - efficiency is suitable for solar powered unmanned engine
該系統採用高速數字信號處理器全數字化設計,其實時性好、可靠性高,並具有功耗低,效率高等特點,比較適合應用於太陽能無人飛機。This paper analyzes the character of the transformer load and presents the control means to reduce the comprehensive power loss to minimum by controlling the transformer operation status, which forecasts the daily load of transformer by periodical auto - regression model ( par ) and divides the daily flow line automatically into two typical phases. then, this paper simulates the par by matlab. at last, a real intelligent control device based on the ti ’ s tms320lf2407 dsp has been completed
論文分析了配電變壓器的負載特點;提出採用周期自回歸模型預測配電站用電日負荷,根據負荷預測結果和用電時段,以綜合功率損耗最小為目的變壓器經濟運行控制方法;以ti公司的tms320lf2407dsp為基礎,完成了配電站變壓器經濟運行智能監控裝置的研製。( 3 ) planar full - crank five - bar mechanisms without uncertainty singularity are chosen to construct a hybrid mechanism generating the given path. a mathematical model is set up to optimize the dimensions of five - bar mechanism with the minimal power consume of the controlling motor by the improved genetic algorithms. an example is given to show the effectiveness of the mathematical model
( 3 )第四章中,選取全曲柄五桿機構中的三種類型機構作為混合驅動機構,以減少用於控制其一連架桿運動的步進電機所消耗的功率為目的,建立相應的數學模型,用改進的遺傳演算法對該五桿機構進行優化綜合,求得尺寸參數。Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water
分析水泵工況的能耗比較圖,可以看出利用變頻調速實現恆壓供水,當轉速降低時,流量與轉速成正比,功率以轉速的三次方下降,與傳統供水方式中用閥門節流方式相比,在一定程度上可以減少能量損耗,能夠明顯節能。Owing to having the advantages of large size, good thermal conductivity, high precision of manufacturing and assembling, the all - metal slow - wave structures are widely used in the wide - band, high power traveling wave tube ( twt ) and relativistic twt. furthermore, the disc - loaded cylindrical waveguide is one of the most important slow - wave structures in the all - metal slow - wave structures ( sws )
全金屬慢波結構因其尺寸大、熱耗散能力強、整體性能好等優點被廣泛應用於寬帶、大功率行波管和相對論行波管中,而膜片加載慢波系統正是全金屬結構中最重要、應用最廣泛的一大類結構。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。Enhanced heat transfer tube with spiral - surface has simple frame, cheap cost, and wide - ranging purpose. only few dirt can adhere to it and is easy to be washed. it has distinct strengthen effect, and can improve chief heat transfer coefficient at 35 - 40 % comparing with smooth tube exchanger which has same volume and pump power consumption
螺旋型表面強化管結構簡單,成本低廉,用途廣泛,結垢少且易清洗,其強化效果明顯,與體積、消耗泵功率相同的光管式換熱器相比,螺旋槽管換熱器可以將總傳熱系數提高35 40 ,因而備受人們青睞。Based on the specification, the right phase control thyristor is chosen and the series number of thyristor is calculated. the paper also calculates the power loss of thyristor under the pulsing load, choosing the heat sink and forecast the temperature rising
以此為基礎,合理選擇了所用的高壓晶閘管元件,計算了所需元件的串聯個數,對類似於脈沖負荷下的晶閘管耗散功率進行了計算,並選擇了元件的散熱器,預計了元件的溫升。Pin diode used as thermo sensor and heating component in this method, low frequency pulse power amplifier is used to substitute rf power in thermo - resistance measurement, and pulse wide compensation is used in dissipation measurement, then equipment require reduced and flexible of equipment rising
該方法以pin二極體作為感溫元件和發熱元件,採用功率脈沖源來代替射頻功率放大器對器件進行加熱進行熱阻測試,使用占空比補償法進行功耗測試,大大降低了設備要求,提高了測試設備的通用性。What the subject researching is that power energy should be measured with base wave ammeter to power systematic nonlinear user ; and that it is high veracious by base wave ac parameters measurement method to those not bad contaminative. it is well known that all kinds of ac parameters including of base wave and harmonics, but the content of harmonics in power systems increase largely with the mass disturbance to power using high - power electric equipment. which makes wave shape of voltage and current aberrence, so the measurement veracity and reliability decreased largely. at the same time brings out serious infuency to safe run of power system and electric equipment. the power which any non - linear loads consumes can be divided into two sides, one is base power absorbed in power and the other is minus harmonics power
本課題所研究的問題是針對電力系統非線性負載用戶採用基波電度表來計量電能;而對諧波污染不嚴重的線性用戶採用基波交流參數測量的方法仍然具有較高的準確性。眾所周知,各種交流參量都包含基波和各次諧波,然而隨著電力電子技術的迅速發展,大功率的用電設備對電網的干擾也是越來越嚴重,導致電力系統諧波含量迅速增長,使電壓和電流的波形產生嚴重畸變,測量的準確性和可靠性都大大降低,同時也對電力系統和用電設備的安全運行帶來嚴重的影響。任何一種非線性負載所消耗的功率都可以分為兩部分,一部分為從電網中吸取的基波功率,另一部分則是負的諧波功率。分享友人