電源沖擊 的英文怎麼說
中文拼音 [diànyuánchōngjī]
電源沖擊
英文
power surge-
However, the h - bridge maglev chopper has serious switching losses, so as to have snubber circuit ; there is high emi with the chopper
然而, h -橋斬波器開關損耗大,需要添加緩沖網路,電磁干擾十分嚴重;對供電電源有反向電流沖擊,容易造成供電電源和濾波電容的損壞。Study on striking effects of thunder surge to dc power
雷電浪涌對直流電源沖擊效應的實驗研究Electrical equipment for aircraft. voltage surge protection for one power source
飛機電氣設備.單電源沖擊性過壓保護裝置Electrical equipment for aircraft. voltage surge protection for several power sources
飛機電氣設備.多路電源沖擊性過壓保護裝置Besides, by adopting various kinds of green building techniques, purchases, and environmental management, all the indicators of energy ( electricity ), traffic, routine service ( water ), consumption goods, etc in ecological footprint of campus can decrease the impact coming from resource and energy of universities
其次校園生態足跡中的能源(電力) 、交通、日常服務(水) 、消費品等次指標,都可以透過各種綠建築技術、采購與環境管理方式降低校園中資源、能源對環境的沖擊。Standard practice for oil spill source identification by gas chromatography and positive ion electron impact low resolution mass spectrometry
用氣相色譜法和正離子電子沖擊低解析度質譜法識別溢油源的標準實施規程Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。On one hand, compared with those powerful state - owned bankers, they are subjecting to disadvantages in the aspect of asset scale, outlets location, and the degree of e - commerce but also the source of capital, allocation of asset and even assurance of credit. on the other hand, they have to deal with the changes of the " rules of game " after china ' s accession into wto as well as the severe challenges and impingements advanced by foreign banks
一方面,與國內國有大商業銀行相比,它們無論在資產規模、網點設置、電子網路化水平方面,還是在資金來源、資產配置以及信用保證等方面都處于不利的地位,致使市場不斷被蠶食;另一方面,它們還面臨著加入wto后帶來的游戲規則的變化,外資銀行參與競爭所帶來的猛烈沖擊和嚴峻挑戰。The microstructure observation in the microfissures suggests the liquation microcrack results from grain boundary liquation by constitutional liquation of mc carbides and formation of continuous and or semi - continuous low melting liquid films, however, the occurrence of the solid state microcracks can be attributed to the effect of ultrafast transit thermal shock introduced by high energy electron beam
液化裂紋起源於mc碳化物的組份液化而形成的晶界連續或半連續的低熔點共晶液化膜,固相裂紋形成的則是高能電子束流的快速瞬態熱沖擊效應的直接結果。Study on transsient response due to fast reclosing of the electrical sources of the motor
電機電源切換沖擊擾動機理分析及防護The conclusions of the thesis include : 1 ) the electricity market is a oligopoly market, and the technical characteristic of the production and demand of electricity and the oligopoly competition based on its are the origin of market power ; 2 ) the uniform - price spot market of electricity can be easily impacted by the game behavior, i. e., the exercise of their market power, of the electricity generation companies
本文的結論包括: ( 1 )電力市場是寡頭壟斷市場,電力生產和需求的技術特徵以及在此基礎上的寡頭競爭,是電力市場的市場力存在的根源。 ( 2 )價格統一出清的電力現貨市場容易受發電企業博弈行為,即實施市場力作用的沖擊。Finally, a compact uwb pulse source composed of pzt95 / 5 ferroelectric ceramic, a 50 coaxial transmission line charged by a pulse transformer, a peaking - chopping switch, a coaxial matched load and a pulse diagnostic system was built and tested, which can produce pulse voltage on a matched 50 load with peaking voltage of 100kv, rising time of 870ps, falling time of 670ps, and fwhm of 1. 410ns
在上述工作的基礎上,我們研製了一臺以pzt95 5鐵電陶瓷沖擊去極化為能源的新型緊湊型脈沖發生器。該發生器由pzt9515爆電能源、空心脈沖變壓器、單同軸脈沖形成線、 pc開關、同軸匹配負載和脈沖診斷系統組成,能產生100kv 、上升前沿870ps 、后沿670ps 、脈寬1 4us的超寬帶脈沖。Consumers successively plunged a large number of silicon controlled commuted devices ( such as steel rolling 、 electrized locomotive 、 aluminium electrolysed devices etc ) and smelting devices to improve their produced efficiency or to save energy. on the one hand it is good for consumers, on the other hand it will arouse the fluctuation of voltage and frequency and it will result in the collision of the active and reactance capacity. meanwhile these nonlinear loads bring much harmonic into the electric network which deteriorate the quality of power supply and hazard the online device enormously
用電部門為了提高生產效益、節約能源,在大電網中相繼出現了大量的可控硅整流裝置(如軋鋼、電氣化機車、鋁加工電解設備等)以及冶煉設備,這些設備的投入使用對節能有一定好處,但給電網造成有、無功沖擊,引起電壓和頻率的波動,同時,這些非線性負荷向電網注入大量諧波,大大惡化了供電系統的電能質量,給用電設備帶來了極大的危害。The pulse power supply is novelty in main circuit, superiority in anti - jamming and counterattack voltage
本重復頻率脈沖電源的結構新穎、功率大、抗干擾和反擊電壓的性能優越。A method is presented to find these stretchy members and calculate their length in folded state. the result of the geometric analysis of the model made in my lab is presented. the impact response produced by the tension springs in the diagonal members is very serious and a stowing mechanism is designed for the control of the impact
由於可展天線結構展開動力來源於對角桿中拉伸彈簧,所以結構在展開過程中沖擊力比較大,為了控制其展開速度,同時為了完成天線的收攏過程,需要電機來進行控制,本文提供了一種電機控制機構的設計方案。The sources of contradiction between hydro - power and navigation in the two modes are the imperfect legal system, the push of power system reform, the ideas punch brought up by enterprise ' s property ownership reform, the pressure of public utilities system refor m and public financial pressure in our country
這兩種體制中電航矛盾產生的根源在於國家法規不健全、電力體制改革的推動、企業產權制度改革帶來的觀念沖擊、事業單位體制改革的壓力和財政壓力。But the noise made when the door is closed is far beyond national correlative standards, and make serious noise pollution. the article put emphases on the mechanize of the electric control door through experiments on the spot and emulation of computer, then advance that the root of noise is that the design has defects. the safe close of the door is depended on the impulsion of door normal impacts
本文密切關注了這種與大眾生活相關的研究課題,通過實測實驗和計算機系統模擬,重點研究了電控門工作的機理,提出了電控門噪音產生的根源是設計存在重大缺陷?電控門的安全閉合必須依靠門體正撞產生的沖擊力,並且沒有相關降噪措施,必然在使用造成巨大噪音的結果。First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears
主要針對中、大容量供水系統中,由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點,難以利用有效的解析式數學模型進行閉環控制,以及多臺水泵並聯運行時,水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題,提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。It has given the solutions how to troubleshoot the problem of amlcd at low - temperature environment, including thermal power theoretical calculation of ito heater - film, the technology of built - in ito soft heater - film in lcd, and heat control circuits at low temperature, etc. this paper presents a way to solve the problems, namely, lcd response slowly, and even not work in low temperature environment. in addition, this paper also researches into the features of vibration, shock and emc, and gives the means of how to solve them by reinforcing rigidity, shielding and filter etc
本文在深入研究液晶顯示器溫度、振動、沖擊、電磁兼容、潮濕等環境特性的基礎上,解決了液晶屏在惡劣環境下工作的具體問題,提出了有源液晶顯示器的低溫解決措施,包括ito加熱膜加熱功率的理論計算、液晶屏內置ito柔性加熱膜工藝、低溫加熱控制電路等,較好地解決了模塊化液晶顯示器在低溫環境下出現的響應速度慢,甚至不能使用的問題。分享友人