有備用功率 的英文怎麼說
中文拼音 [yǒubèiyònggōnglǜ]
有備用功率
英文
with power to spare- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 備 : Ⅰ動詞1 (具備; 具有) have; be equipped with 2 (準備) prepare; provide with; get ready 3 (防備...
- 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
-
Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally
因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動,國際上高功率二極體泵浦固體激光器( dpsl )的研究進展迅速,作為dpsl的一個重要應用,內腔倍頻一直得到大家的重視,但仍有許多未徹底解決的問題和理論上的不完備之處,本論文擬對其中的一些問題作一初步的理論和實驗研究。Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )
半絕緣gaas光電導開關( photoconductivesemiconductorswitches簡稱pcss ' s )具有兼備寬頻帶和高功率容量特性,使其在超高速電子學和大功率脈沖產生與整形技術領域(大功率亞納秒脈沖源、超寬帶射頻發生器等)具有廣泛應用前景。First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost
從對系統貢獻角度,採用電壓靈敏度方法( vs法) 、 pv曲線法、等效無功補償法( erc ) 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值,電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小,而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。The ingaas / gaas strained quantum well lasers are able to work with extremely low threshold current density, high characteristic temperature and high cod limit, which make ld lasers achieve higher output power and longer ufe. therefore, ingaas / gaas strained quartum wellstructures can be used for the fabrication of high power semiconductor lasers
Ingaas / gaas應變量子阱激光器具有級低的閾值電流密度、較高的特性溫度和較高的光學災變損傷閾值,這使得激光器具有更高的輸出功率和更長的壽命。因此ingaas / gaas應變量子阱結構可以用於大功率半導體激光器的制備。Selection of vvvf inverter to control the hair shaft speed, not pushing buttons, the same can remove hair debris and floating hair, suction available functions, all concentrated gross litter, facilitate the process, to improve the working environment and to reduce the labor intensity, improve efficiency and reduce production costs
選用變頻調速器來控制毛軸的速度,不需要按按鈕等,同樣可以進行清除毛屑及浮毛,備有吸風功能,將所有毛屑集中,方便處理,改善工作環境,減輕工人的勞動強度,提高工作效率,降低生產成本。The product is suitable for double straight line smoothing of grinding flat glass. coarse grinding, fine grinding, and polishing can be done at one time. adopt plc control system, which sets processing parameters via interface, and finishes processing at one time, ti has stable bottom structureprecise and smooth transmission system, the transmission belt drive adopts strong power and tran - sfrequency motor to control speed, constant power, constant rule, output and advanced equipment to control, completed product has high polishing level, which is an ideal option assistant processed equipment of processing delicacy glass and furniture glass factory
本產品適用於磨削平板玻璃是雙直線平邊,粗磨精磨拋光一次完成採用plc控制系統通過界面設定加工參數次完成加工,具有穩重扎實的底座結構,精確流暢的傳動系繞,傳送皮帶驅動採用功率變頻電機調速控制,恆功率恆扭矩輸出和高配置的控製成品拋光亮度高是加工精品玻璃和傢具玻璃廠家使用的最佳輔助加工設備。The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble
本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。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 ) 。M a of a famous beijing enterprise by a hongkong company, dealt with by dr. qiying wang, attorney - at - law partner, has entered into its substantial period. upon invitation b r will give lectures to the member enterprises of the promotion society of china group co., ltd. b r has been retained as the cooperation partner of legal services by the committee of supervision management of state assets of the state council
商帳管理人員應具備專業的法律和經濟學知識,還要有良好的心理學交際學知識,在面對每一次商帳案件時能夠靈活應用,最大限度地為客戶挽回損失四是,專業的商帳管理機構更加看重案件的成功率,在國外被稱為: 「 no payment , no charge 」 ,即如不成功,不收取傭金。This product, adopted pwm integrated circuit and mosfet, igbt that were imported from the overseas, has the following merits : quick - response, strong interfere - proof, stable frequency and voltage, low consumption when light loading, high efficiency and reliable performance, it can be applicable to the family use, pasture region, work with the wind generator and some other places where the power failure often occurs
本品採用pwm (脈寬調制)集成電路和進口大功率mosfet 、 igbt等器件,具有應變快、抗干擾、自動穩定頻率和電壓、空載損耗低、效率高、性能可靠,是家庭,牧區,風力發電機配套以及其它野外經常停電地區提供交流電的必備的電器。This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power
該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場,可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數,並具有負載性質(感性、容性)判別,正、逆相序判別指示功能;超限報警功能;列印記錄功能和負功檢測及處理功能。Method for measuring effective output power bandwidth for institutional audio - visual equipment used primarily for speech
用於演講的教學視聽設備的有效輸出功率頻帶寬度的測量方法Nowadays, the constant - power - control variable displacement axial - piston hydraulic pump have be used in most of construction machine and equipment for their power equipment. the quality of the whole machine is determined by the quality of the piston pump. because the piston is the most important part of the piston pump, it is becoming necessary to study of the piston with modern design method
由於大多數工程機械利用全功率軸向柱塞變量泵作為其動力裝備,柱塞泵質量的好壞將關繫到工程機械的總體質量,而柱塞又是柱塞泵的主要部件,因此有必要利用現代設計方法對柱塞泵的柱塞進行研究分析。Fixed resistors for use in electronic equipment - part 4 : detail specification : fixed power wirewound resistors with solderable axial wire leads - stability class 5 % - assessment level e
電子設備用固定電阻器.第4部分:詳細規范.具有可焊軸向導線的固定功率線繞電阻器. 5 %穩定度.評定級eFixed resistors for use in electronic equipment - part 4 : detail specification : fixed power wirewound resistors with solderable axial wire leads - stability class 1 % - assessment level e
電子設備用固定電阻器.第4部分:詳細規范.具有可焊軸向導線的固定功率線繞電阻器. 1 %穩定度.評定級eIn order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )
與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。Aiming at the fact that power factor of low - voltage power equipment is very low in china and application condition of fieldbus technology in the world, based on enhancing power factor of ac motor, lowering losses of the reactive power, improving power quality, therefore, it is of great significance and practical value to research the reactive power compensation by applying the technology of fieldbus, computer and power electronics
針對目前國內低壓設備用電負載功率因數偏低和國內外現場總線技術的應用現狀,基於提高交流電機的功率因數、降低無功功率損耗和改善電能質量,本文綜合運用現場總線技術、計算機技術和電力電子技術對交流電機無功功率補償的有關方面進行了研究,其研究成果具有一定的理論意義和實用價值。It is well known, the multi - media can deal with tremendous data, in former web condition, confined to the velocity of the connected modem equipment, real - time transmission of the connected media is usually impossible, though it is possible to make the connection come into reality, the loss of the data is very serious, the transmission of the picture may pause or stop obviously and can not reach the ideal effect without practical operation, however, in recent years with the development of the new development in connected web technology, such as xdsl and the mature popularization of the broad band technology like optical fiber
眾所周知,多媒體的數據吞吐量往往十分巨大,在以前的網路狀態下,受制於modem等網路接入設備的速率條件,連續媒體的實時傳輸往往是不可能做到的,即使能夠勉強連接成功,其數據包的丟失現象也是十分嚴重的,圖像的傳輸有明顯的停頓甚至停止的現象,達不到理想的效果,所以並不具有實際的可行性。但隨著近年來網路接入新技術的發展,如xdsl 、光纖等寬帶技術的成熟和廣泛應用。It is applied to smelting the carbon steel, alloy constructional steel, stainless steel, copper, aluminum, gold, silver, niobium and tantalum etc. the technology of our intermediate frequency smelting equipment is ripe
它適用熔煉:碳素鋼合金結構鋼不銹鋼銅鋁金銀以及稀有金屬鈮鉭合金等。我公司生產的中頻熔煉設備電路技術成熟微機控制,工作穩定,軟起動,成功率高。Power supply system made up of some parallel operating inverters can meet the needs of different load magnitudes and achieve higher quality and reliability of power supply. it is propitious to the standardization and large scale manufacturing of the inverter modules. at the same time, with the growing usage of appliances powered by special suppliers, the market needs is developing enormously
由多個模塊化的逆變電源並聯運行構建的電源系統,可以滿足不同的負載功率需求以及較高的供電質量和可靠性要求,並且有利於逆變電源模塊生產的標準化、規模化;同時,隨著使用特種電源供電的裝備日趨增多,市場空間不斷增大,逆變電源並聯控制技術的研究具有廣泛的經濟前景和社會效益。分享友人