等容蓄壓器 的英文怎麼說
中文拼音 [děngróngxùyāqì]
等容蓄壓器
英文
constant displacement accumulator-
The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。1 the company has excellent production condition and public facilities such as self - provide power plant supplying high voltage wire of 35 kv, two sets 16000 kva transformers in power station, one deep well with water discharge of tons per hour, water pool with water pcapacity of 150 tons, one water tower with 100tons, two boilers with four tons, three compressed air machines to make sure the requirement of production. the company located at no. 62haozhuang st. taiyuan city and is 0. 7 kilometer away from dongshan expressway and also 2. 5 kilometer away from the railway station. the company was also equipped with communication facilities for example international telephone and fax
該公司具有良好的生產條件及公用設施：有自備電廠供給35kv高壓進線，變電站16000kva變壓器兩臺深井一眼，每小時出水50噸蓄水池150噸水塔1個，容量100噸4噸鍋爐兩臺，空壓機三臺，保證生產需求。公司位於太原市郝莊正街62號，距東山過境公路0 . 7公里，離車站貨場2 . 5公里，交通十分便利。有國際電話及傳真機等通訊設施。The stand - alone pv power station needs many accumulators as power storage equipment. they are in series with each other usually, for some reason, they have no same life - span. the result is one of them will be bad firstly. when one of them be bad and not be insteaded in time, the result is others will soon be bad too, even more a fire will take place. so we need check the voltage, current and temperature of every accumulator in time, we must give an alarm when one of the accumulators will be bad
如果不及時維護和更換，會造成其他蓄電池的損壞加快，在更嚴重的情況下，會造成停電、火災等事故，所以應及時地檢測每一塊蓄電池的工作狀況，對溫度、充電電壓、電流異常或容量截止蓄電池及時報警。目前國內離網太陽能電站中，由充放電控制器完成對串聯后的蓄電池組的電壓、電流和環境溫度的檢測和報警。分享友人