蓄能容量 的英文怎麼說
中文拼音 [xùnéngróngliáng]
蓄能容量
英文
energy storage capacity-
This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。Hydraulic fluid power - gas loaded accumulators - specification for seamless steel accumulator bodies above 0. 5 l water capacity
液壓流體動力.氣體加載蓄能器.第1部分:水容量0 . 5l以上無縫鋼蓄能器體規范Hydraulic fluid power - gas - loaded accumulators with separator - ranges of pressures and volumes and characteristic quantities
液壓傳動隔離式充氣蓄能器壓力和容積范圍及特徵量Static benefits are generated from peaking and valley - filling, which are further divided into capacity benefits and coal saving benefits. dynamic benefits come from its fast starting and flexible operation, including frequency regulation, synchronous condenser operation, fast coverage of steep load gradient and synchronous spinning reserve. as for the calculation of static benefits of pumped storage plant, the alternative coefficient method is normally adopted at present
目前在抽水蓄能電站的靜態效益計算中,一般採用替代系數法,即用抽水蓄能電站的裝機容量乘以容量替代系數( 1 . 05 1 . 1 )計算抽水蓄能電站的替代容量;用抽水蓄能電站的發電量乘以電量替代系數( 1 . 05 )計算替代電站的發電量,再根據循環效率的大小計算抽水蓄能電站的燃料消耗。And a intelligent battery management system with full functions has been designed, which improved the management of charge and the estimation of residual capacity. the paper changed the current value of constant current charge - state, which current seems not constant during the working time, based on the three mice laws about battery charge. this change would increase the speed of charge, without harm to the battery
同時本論文還設計了一套功能齊備的蓄電池智能管理系統,針對蓄電池管理中的充電管理和剩餘時間預測進行了改進,提出:在恆流充電時,根據麥斯三大定律,改變恆流充電時的恆流值,使恆流充電「不恆流」 ,而是根據放電的不同情況進行充電,充分提高充電速度,同時又不損傷電池活性物質;不再進行剩餘容量預測,而是進行剩餘時間預測,提供更加切實可行的信息,並且提出了一種簡單易行的剩餘時間預測的方法,給出了預測實驗的結果。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。The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system
實際上,抽水蓄能電站的容量效益與電網的負荷水平、負荷曲線形狀和常規水電的比重有關,而節煤效益除與負荷水平、負荷曲線形狀有關外,還與電網的電源結構、火電機組的動力特性有關。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。Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended
文摘:用蓄電池做后備電源的系統(或設備) ,常因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變化的規律,利用電壓比較器和電壓基準源設計製作了電池放電保護電路,當電池放電量接近容量的50 %時,啟動預警信號;當電池放電量達到容量的80 %時,電路自動切斷負載,防止電池過度放電,延長電池壽命,保證系統(或設備)在供電恢復正常后能正常運行The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit
新型機具有4個技術特點: ( 1 )由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用,在平衡抽油機大部分載荷時,不需另外增加配重,可減小抽油機體積、質量和佔地面積; ( 2 )抽油機下沖程時,與活塞柱塞式液壓缸相連接的蓄能器吸收能量,上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量,大幅度降低抽油機裝機功率; ( 3 )利用變頻容積調速節能效率高,閉式油路節省液壓油,同時大大減小液壓泵站的體積; ( 4 )在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速,其工作的穩定性和安全性更好。Quantity of generating electricity should be also calculated while the river inflow, quantity of water transfer and its duration curve are taken into account. as a company, it is necessary to take a series of measures to increase its benefits while water transfer leads to the decrease of hydro power inevitablly. the efficient methods can be taken into account as follows : i ) to improve the forecast accuracy, to decrease surplus water, and to increase seasonal electricity energy, ii ) to raise the peaking ability of dan jiang kou power station to obtain peaking benefits, iii ) to choose a suitable site to construct a pumped storage plant for peaking benefits
在進行以上四方面內容深入探討的基礎上,論文針對丹江口水利樞紐運行任務、運行方式的重大變化,提出漢江集團應採取以下因應措施以適應企業產業結構的調整,這些措施包括:準確計算發電效益減少值;合理地核算水源的供水成本;以上述兩項計算成果為基礎,核算企業結構調整后總效益變化量;提高預報水平,減少棄水量,爭取增發季節性電能;研究新的調度方式,提高電站調峰能力,提高電站的容量效益;在適當的地點修建抽水蓄能電站,提高電站的調峰能力。Specification for the performance of automatic tank contents gauges
自動蓄水箱容量測量計的性能規范The research achievements and innovations in this paper are as follows : having analyzed the electronic mechanism of the mh / ni batteries during charge and discharge, compared the advantages of mh / ni batteries with other kinds of batteries, the result is mh / ni batteries is the promising power battery for hev due to its advantages such as high power lever and long life
主要研究成果如下:詳細分析了鎳氫蓄電池的基本工作原理和充放電特性以及影響蓄電池soc ( stateofcharge )剩餘容量的主要因素,從多個方面對目前各種動力蓄電池的性能指標及優缺點進行了比較,由比較結果可看出,鎳氫蓄電池是較為理想的電動汽車動力源。As an advanced power generation and adjusting speed technology of a. c motor, a. c excited machines ( acem ) can be applied in power generation using a variable - speed constant - frequency scheme to produce electricity, in a pumped - storage hydraulic power plants, and in high rate variable speed drive fields
交流勵磁技術是一種先進的交流電機發電及調速技術,可用於變速恆頻發電、抽水蓄能電站和大容量調速場合,能實現電機有功功率、無功功率的獨立調節和功率因數控制。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。Fifthly, make a study on the pricing of the spinning reserve capacity under the known spinning reserve demand level
第五,在前述研究基礎上進行確定性備用水平下抽水蓄能電站旋轉備用容量電價研究。First, discuss the economic meaning of the pumped storage economic operation while considering it ' s spinning reserve function, based on this, a pricing model was made, and used the probabilistic production simulation technique as a tool for the analysis of the cost
首先進一步探討抽水蓄能電站在考慮旋轉備用功能時經濟運行的內涵,在此基礎上建立了相應定價模型;其次以時序隨機生產模擬技術為工具進行了成本分析和定價研究。第六,進行兼顧可靠性與經濟性抽水蓄能電站旋轉備用容量定價策略研究。The available capacity and the temperature relations ( accumulator cell in - 30 ~ 55 scope can normal work
六、有效容量與溫度的關系(蓄電池在- 30 ~ 55范圍內均能正常工作。 )10. an energy management system based on a msp430f147 in stand - alone photovoltaic system is designed. it achieves array ' s mppt control, the storage batteries " capacity prediction, charging and discharging control
設計出基於一片msp430f147單片機為核心集陣列mppt控制、蓄電池容量預測及充、放電控制器於一體的獨立光伏系統能量管理系統。Integrated the characteristic of storage battery in the stand - alone photovoltaic system, the paper produces a valid method for the charging and discharging management : 1 ) the storage batteries are grouped in order to achieve the average - charging > the average - discharging and the quick - charging. 2 ) when the energy of photovoltaic array is full, capacity maintenance to the " illness " storage battery is taken. 3 ) under the current system condition, the time ( hours ) that the batteries continue to work is displayed
結合獨立光伏系統中蓄電池工作特點,提出了對蓄電池組的充、放電管理的有效方法:採用分小組方法實現蓄電池小組進行均充、均放和快速充電;在光伏發電充足時對落後蓄電池進行容量恢復維護;給出在當前環境與負載條件下,蓄電池組所能持續工作的時間;同時適當時候採用維護充電,以延長電池壽命。分享友人