無控制通風 的英文怎麼說
中文拼音 [wúkòngzhìtōngfēng]
無控制通風
英文
uncontrolled ventilation- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 通 : 通量詞(用於動作)
- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
- 通風 : 1 (使空氣流通) ventilate; air 2 (透氣) be well ventilated 3 (透露消息) divulge information;...
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Some flight course switch rules are researched. uav ’ s launch stability and flight course precision are influenced by wind. through the research of flight control, some way are found to lower the wind influence
研究了風速對無人機的發射穩定性影響,通過風速對無人機導航控制影響的分析,提出了減小側風影響的控制策略,並推出一種計算平均水平風速的方法。Our hot balloons is driven by common fuel without any gas, as same as other normal hot balloons, it is lifted by flotage of hot air and direction controlled by gasoline motor, remote operation, safe, low risk, no ground people required leading to very low cost
本廠生產的動力熱氣球,是用普通熱氣球燃料,不加任何氣體,和普通的熱氣球一樣,是靠熱氣的浮力上升的,汽油機控制方向和升降,遙控操作,安全,風險小,無須地面人員,飛行成本底。This system has two modes : automatic, manual. under the automatic condition, when the system detect that there is fire happening, the system will turn off blower, switch on valve and pump, and extinguish the fire if no people deal with the fire in the set time after the audible and light. under the manual condition, the operator can extinguish fire in the appointed area by the button in the main controlling panel or the manual button box ( locale )
在自動方案運行情況下,當系統檢測到有火災情況發生時,在發出聲、光報警后的一定時間,如果無人干預,則系統自動執行關閉風機、開閥、開泵,對火災區域進行水霧滅火;而在執行手動方案情況下,操作人員可以通過操作主控制屏上的按鈕或手動按鈕(現場)來對指定的區域進行噴灑滅火。For the existing transformer cooling control system has many shortcomings such as the complicated system control circuit, the low reliability, the protection methods of blower fan being so simple, large control error, high fault rate, massive maintenance work and no method to realize telecommunication, this thesis develops a novel intelligent power transformer air - cooled control system based on the center of microprocessor through all - round technology analysis and research
本文針對變壓器冷卻系統使用常規控制系統存在的系統控制迴路復雜、可靠性低、風機的保護方式簡單而無法進行故障預測、主變壓器油溫測量精度低造成控制誤差大、故障率高、維護工作量大、無法實現遠程通訊等問題,經過多方面的技術分析和調研,設計開發了新型的以微處理器為核心的智能式電力變壓器風冷卻器控制系統。The consumption of electrical energy of electrically calcined furnace during calcining anthracite is studied by adjusting the length of the top electrode, the flue damper and changing the release direction of removed dust produced from charging system of electrically calcined furnace
摘要根據電?爐?燒無煙煤的工藝原理,通過調整上部電極長度、煙道閘板及改變電?無煙煤前上料系統通風除塵灰的排放方向等工藝控制方法,對電?無煙煤電耗進行研究。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。3. based on theoretical analysis and experimental results, the high relative humidity was diffcult to maintain in the closed tissue culture system when all of the fluorescent lamps were turn on, because of deficiency of the humidifier ' s capacity and air ventilation by top air nozzle outlets and return air in the bottom. 4
根據對加濕過程的理論計算與試驗分析,指出本系統中降溫與加濕共存階段加濕效果不明顯,同時由於加濕器的加濕容量不足,頂部送風和下部兩側回風的通風方式造成了室內的相對濕度無法在熒光燈全開時達到控制要求。It points out that mechanisms in limited partnership screens risk investor effectively and reduces the agent ' s cost, such as the pay for venture capitalist, limited life cycle of fund, venture capitalist bearing unlimited liability, etc. at investment stage of venture capital, through analysing the arrangement such as the choice of investment tool, staging of investment and estimating enterprises " value again based on enterprise ' s achievement, control distribution etc. first, choice of investment tool is the core of agreement, and determines the principal - agent relationship between venture capitalist and entrepreneur to a great extent
論文對風險投資機構的兩種主要的組織形式? ?公司制和有限合夥制進行了對比研究,深入分析了有限合夥制的主要制度安排,指出有限合夥制的報酬體系、風險投資家承擔無限責任、基金的有限生命周期等機制的設計,有效的篩選了風險投資家並降低了代理成本。風險投資投資階段,通過對投資中投資工具的選擇、分階段投資與基於業績的價值重估以及風險企業控制權的分配等制度安排的研究,指出:一、投資工具的選擇是風險投資契約的核心,在很大程度決定了風險投資家與創業家之間的委託代理關系。The project division provides full - scale project management, consultancy and advisory services, covering a full range of electronics, telecommunication, electrical, mechanical, gas, instrumentation and computer - controlled systems, e. g. trunked radio systems, vehicular tunnel supervisory, lighting and ventilation systems
工程策劃部提供全面的工程管理、顧問及諮詢服務,范圍涵蓋各方面,當中包括電子、電訊、電氣、機械、氣體、檢測儀器及電腦控制系統,例如集束無線電話系統、行車隧道監管系統、照明及通風系統。First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented
建立了永磁電機和變流器的數學模型,針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制,通過變流器交-直-交的變換,將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電,通過pwm調治能使其輸出功率因數為一,並且該控制系統功率因數為可調,能在特殊情況下同電網交換一定的無功功率,並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬,取得了良好的模擬效果。在風力發電系統中,採用先進的最大功率俘獲演算法,能有效的從風中獲得最大的能量。Conveninet traffic : seaport, railway, airport are all 4 kilometres afar each and there are over 30 domestic airline service from and to yantai. cargo ships lead to over 100 ports of 70 countries and regions. developed telecommunications : there are computercontrolled, digital and cubic modern telecommunications in the subdistrict. beautiful scenery : 3. 2 kilometres of fine coastline. pleasant climate : it is not severe cold in winter and not intense heat in summer with class a air quality. it is realy an ideal place for living
交通方便,距港口、火車站、國家一級口岸煙臺機場均在4公里以內,目前開通國內、國際航線30多條,貨輪可通往世界70多個國家和地區的100多個港口;通訊發達,轄區已建成交換程式控制化、傳輸數據化、聯絡立體化的現代通訊網路;風景秀麗,有長達3 . 2公里的優質海岸線;氣候宜人,冬無嚴寒,夏無酷暑,空氣質量常年處於一級水平,是人類居住、創業的地方。This paper discuss the effect of roughness coefficient on the tropical cyclone landfalling process using a idealized tc model developed from psu / ncar mm5 in the condition of quiescence and f - plane atmosphere. in order to understand the different influences of land and sea surfaces in the tc landfalling process, two kind of experiments had been designed : one for settled tc, the other for movable tc, and each kind consists four tests. the result indicates that the distribution of wind, precipitation, warm core and intensity of tropical cyclone has been changed obviously due to the effect of difference between the land and sea
本文利用bogus技術在psu / ncarmm5中加入了理想熱帶氣旋初始渦旋,在f -平面和無環境流場的理想情況下,設計了兩組靜態和動態試驗,通過控制試驗和不同粗糙度的登陸試驗,分別從空間和時間上探討了理想熱帶氣旋的登陸規律和分佈特徵,特別研究了邊界層中熱帶氣旋中心區域風場的垂直細致結構,並初步分析了其物理機制。On the basis of analyzing above investment environment and important events occurred in the industry of foundation, this article brings up the following problems emerging from the operation process of foundation. firstly, the author stressed the moral crisis of the fund industry ; and hidden dangers are still existing in the internal control system of fund management companies ; industrial supervision is far from enough. the industry lacks a system of competition and inspiration ; the styles of investment fund are tedious and monotonous
基於以上的投資環境為前提,通過對這幾年中基金投資業內重大事件的回顧和分析,本文提出了以下在投資基金運作過程中存在的主要問題: 「基金黑幕」引出了整個行業的從業道德信用危機;基金管理公司內部在內控制度上存在的隱患;行業監管力度遠遠不夠;行業缺乏競爭機制和激勵制度;基金投資理念缺乏個性及獨立性,甚至有些盲從性;投資基金風格的單調和無個性,等等。The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis
此外,本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型,穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略,通過模擬分析驗證了模型和策略的正確性。The traditional ventilation system of railway tunnels is always designed by the steady flow theory model ( stm ), which leads to many problems, such as the energy consumption is too large, mechanical ventilation ca n ' t be operated in some tunnels and automatic control of ventilation system with energy conservation also ca n ' t be performed, etc. this paper does some detailed studies on tunnel ventilation control method combined with a tunnel ventilation project
針對目前隧道通風設計採用傳統恆定流動理論,造成隧道通風系統能耗太大,使部分隧道不能進行正常機械通風以及隧道通風系統無法實現節能的自動控制等問題,本文結合具體工程,對隧道通風控制方法進行了較為深入的研究。分享友人