熱態汽輪機 的英文怎麼說
中文拼音 [rètàiqìlúnjī]
熱態汽輪機
英文
heat-soaked turbine-
Establishing on the foundation of the project of " the monitoring state and maintenance assist support system of feed pump for 300mw unit, shiheng power plant, shandong ", this paper ' s content comprise on - line monitoring and thermodynamic calculation on small steam turbine for feed water pump, and supply the necessary data for feed water pump ' s performance analysis, trouble analysis and small steam turbine ' s performance analysis, optimization, heat stress calculation and tremble monitoring
=本論文的內容是建立在「山東石橫電廠給水泵狀態監測與維修輔助支持系統」項目基礎上,涉及大型機組鍋爐給水泵驅動用小汽輪機進行在線監測和熱力計算,為給水泵的性能分析、故障分析以及小汽輪機的性能分析和優化、熱應力計算和震動監測提供必需的數據。This text introduces the characteristic concept of turbine control system from two traditional aspects of static and dynamic state, and the characteristics of reheating system and the power - frequency electric liquid control system, and analyzes the difference from the simulated electric control system to digital electric system. this text describes the constitute of deh system from three aspects and analyzes the reliability of deh system
本文從傳統的汽輪機靜態特性和動態特性兩個方面講述了汽輪機調節特性的概念,以及中間再熱式汽輪機調節特性、功率? ?頻率電液調節系統的特點。以陽泉二電廠deh系統為例,從硬體、軟體和控制功能群三部分敘述分析了deh的組成和各部分作用,並對deh系統的可靠性進行了分析。Because deh system can use feedback signal of the first class pressure as practical power of turbine, it can avoid the reverse control, have the good ability of anti - disturbing. by the sophisticate control logic deh can make swift change of the control demand for following best value according to the circumstance, largely improved the dynamic characteristic when the unit sundenly discharge the full load
Deh系統控制器中的pid系數可根據試驗情況方便的調整,實現較好的動態特性,並可使調汽門動態過開,使再熱機組有良好的一次調頻能力; deh系統可採用調節級壓力做為汽輪機實發功率的反饋信號,避免出現反調現象,抗內擾和外擾能力強。In this paper we establish math modal of transient temperature and stress fields of the turbine " rotor with finite element method, develop rotor ' s thermal status online monitor system by distribute computer and visual software, realize online show and analyst of temperature and stress fields when all kinds of transient condition, and finally provide reasonable and optimized operation suggestions, improve safety and economic level of unit sets " operation
本文採用有限元建立汽輪機轉子的暫態溫度場、應力場的數學模型,藉助計算機分散式計算、可視化等技術開發轉子的熱狀態在線監測系統,實現汽輪機在各種過渡工況下轉子溫度場、應力場的在線顯示與分析,提供合理的操作建議,提高機組運行的安全性與經濟性。Abstract : mathematical model of governing system ' s dynamic characteristicfor condensing turbine 、 reheat turbine 、 extraction turbine and power frequency turbine are introduced in this paper
文摘:介紹了研究凝汽式汽輪機調節系統、中間再熱式汽輪機調節系統、調整抽汽式汽輪機調節系統及功頻電液調節系統的動態特性的數學模型。This article discusses the design and exploitation of software system of thermal performance test of steam turbine by computer processing system based on the graph configuration of the asme ptc6 thermal system, and the compile of software of steam turbine thermal system is completed
本文基於asmeptc6標準,討論了熱力系統圖形組態的汽輪機熱力試驗計算系統軟體的設計和開發,並編寫完成了汽輪機熱力性能計算軟體。Turbine is of reactionary single shaft three cylinders with double exhausts subcritical pa - rameter and intermediate reheat, which is the product of abb switzerland. the generator is of static excitation and hydrogen inner cooling type of hydro - gen cooling core with water cooling stator
汽輪發電機組為瑞士abb公司產品,亞臨界中間再熱三缸雙排汽單軸冷凝反動式汽輪機發電機採用靜態勵磁水氫氫冷卻方式。After retrofitting the digital electro - hydraulic ( deh ) control system of the steam turbine unit no. 1 in dezhou power plant, the valve stem leakage has occurred on the highpressure main steam valve, and the causes leading to the said leakage being analysed
摘要對德州電廠1號汽輪機組在經過deh控制系統改造后高壓主汽門桿發生蒸汽泄漏的原因進行了分析,認為蒸汽泄漏是熱態時閥門開度不足所致。This essay has touched upon the following work : 1. has built up theoretic models including static mathematic models of air compressor, combustion chamber, gas turbine, waste heat recovery boiler and steam turbine which are deduced according to the feature and theory of the equipment of the object of study. upon establishment of each model based on the actual conditions, a method of multiple imitation and combination is applied to parts which have already got characteristic curves to have achieved quite accurate curves whilst the method of neural net is applied to the parts which have no characteristic curves for establishment of models
本文進行了以下的主要工作:建立理論模型,根據對象的實際設備的特點和理論關系推導壓氣機、燃燒室、燃氣輪機、余熱鍋爐、汽輪機的靜態數學模型;根據本研究的實際情況,在建立各部件模型時,對已有特性曲線的部件,採用多項式擬合的方法,得到較為準確的特性,而對部分沒有曲線的特性,則採用神經網路的方法建立模型。分享友人