steam load 中文意思是什麼

steam load 解釋
蒸汽負荷
  • steam : n 1 蒸汽,水蒸氣,水氣,霧,蒸氣壓力。2 〈口語〉精神,精力,氣力;怒氣。3 輪船,乘輪船旅行。vi 1 ...
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  1. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  2. When allowance is made for the separate auxiliary load the consumption can rise to nearly 1 ib / shp hour and this is generally about 20 % better than the overall fuel consumption of a steam plant at cruising speed

    當考慮分開的輔機負荷時,其耗油率幾乎能增加到1磅/軸馬力小時,一般來說比蒸汽裝置的巡航總油耗大約多20 % 。
  3. Under special conditions such as low partial load / deep vacuum, unexpected high air leakage resulting in a major temperature difference ( above 10 c ) between the steam exhaust turbine temperature and all air - take off temperature measurement, the suction capacity can be improved by using 2 main ejector simultaneously

    在特殊條件如局部低載荷/極端真空,不正常的熱交換,意想不到的高空氣泄漏導致的在蒸汽排氣溫度和抽空溫度測量上產生的嚴重溫差( 10 c以上) ,用兩臺主抽汽器同時工作可以提高抽氣量。
  4. The big steam shovel lowered its scoop into the ship and pulled it up with a load of gravel.

    那個大汽鏟把鏟斗放低,伸到船上,鏟上一堆小石子。
  5. Speed and load governing systems for steam turbine - generator units

    汽輪發電機組的速度和負載調節系統
  6. In addition, the microcosmic stream, especially suspended load ( mainly suspended soils and sands ) reflected on the characteristic of transported sands " streams, and always silt up and form shoal in the place where the stream velocity is lower and river steam return easy

    河道的微觀水流,特別是懸浮物(主要是懸浮泥沙)反映輸沙水流淤積特性,總是在流速緩慢、易迴流的地方淤積、形成新生沙洲,為正在發生及將來發生的河道淤積和演變打下基礎。
  7. In the whole system, the inner leak system is occurred to the lower pressure bypass system, this will directly cause the high quality reheated steam to reach to condenser, meanwhile increase the heat load of condenser, and the economy benefit of the unit will decreased

    整個系統存在的內漏主要是低壓旁路低壓旁路的泄漏,直接造成了高品質的再熱蒸汽短路到凝汽器,同時增加了凝汽器的熱負荷,對機組經濟性的影響較大。
  8. Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉數及升速率,並進行自動調整,實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提高了機組的自動化水平。
  9. The assignment of the load of the steam turbine can be solved by the reverse follow, the assignment of the load of the boiler can be solved by dsfd

    根據兩種規劃問題的特點,汽輪機系統負荷分配問題採用分枝限界反向跟蹤的優化演算法來求解,鍋爐系統負荷分配問題採用轉動坐標軸直接搜索可行方向法( dsfd法)來求解。
  10. In the mountain valley off and on spreads an intermittent steam shistle the roar, the train full load lumber, escorts to motherland each place continuously

    山谷里斷斷續續地傳出一陣陣汽笛的吼聲,火車滿載著木材,源源不斷地送往祖國各地。
  11. It consists of the method that cleaning the steam path by steam on low - load and that cleaning the steam path by water spray into the turbines

    即高壓水射流噴砂除垢清洗方案研究方案,此方案對指導實際的汽輪機通流部分結垢清除具有參考借鑒作用。
  12. There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control , decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively

    現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象,它們中有些還是具有強非線性特性的對象或多變量耦合系統,採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段,則需要建立被控對象的數學模型,而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。
  13. Load steam loss

    有負荷漏汽量
  14. Rate of load steam loss

    有負荷漏汽率
  15. The simulating result showed that when the unit load changes, the maximum dynamic difference of main - steam temperature drops 13. 8 %, the regulating time shortens 17 % and the control character is improved well

    模擬結果表明,在機組發生負荷擾動時,主蒸汽溫度的最大動態偏差降低了13 . 8 % ,調節時間縮短了17 % ,其調節品質明顯改善。
  16. With the development of electric power industry, it is required that higher dependability to the electric equipment. to improving the peak load capacity of power network, it is the trend that the large capacity steam turbine units take part in peak load operation

    電力工業的發展,對機組設備的可靠性提出了更高的要求,大容量機組參與調峰運行更是提高電網調峰能力的必然趨勢。
  17. The characteristics of the intrinsic frequency distribution of the framed steam turbine - generator set foundation are summarized ; it can been seen that the base plate of the framed foundation does not have much effect on the dynamic response of the foundation, and that the " amplitude method " is better than the " resonance method " among dynamic analysis methods. when designing a framed foundation, as long as the load - bearing capacity and stability is ensured, a flexible pillar is better, the amplitude of vibration can be controlled through adjusting the particle quality in foundation design

    論文最後總結了框架式汽輪發電機組基礎固有頻率的分佈特點;指出框架式基礎底板本身對基礎的動力響應影響不大,認為動力分析方法中振幅法優于共振法;並指出框架式基礎設計時,在滿足承載力和穩定性的前提下,柱子應以柔為佳;設計中可以通過調整質點的質量來達到控制基礎振幅的目的。
  18. No - load steam loss

    無負荷漏汽量
  19. Rate of no - load steam loss

    無負荷漏汽率
  20. This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered

    應用軟體以vc + +為開發平臺,考慮了特定汽輪機組的背壓保護曲線,通過計算空冷系統的熱力特性,實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷,從而指導機組的運行。
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