電源關斷 的英文怎麼說
中文拼音 [diànyuánguānduàn]
電源關斷
英文
power charge off- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
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If bath king has been used for a long time, there will be feculence on the switch panel. when clear it, cut off power at first to make sure power off. and then use dishcloth with a little neutral detergent to rub it till the feculence is removed
用戶長期使用浴霸,開關面板沾有污漬,在清理這些污漬時,應先切斷電源(零線和相線) ,並在確認沒電的情況下,用沾有少量中性清潔劑的抹布擦試,待污漬擦去后,再用清潔干布擦乾。With the advance of semiconductor manufacturing, circuits with increasingly higher speed are being integrated at an increasingly higher density, which makes analysis and verification of power grid integrity more important. power grid integrity includes four issues, namely, ir drop analysis, ground bounce analysis, ldi / dt from the pin inductance and em analysis
隨著超大規模集成電路集成度和工作頻率的不斷提高,電源網格完整性分析變得越來越重要,一般有四個關鍵問題: ir電壓降分析、接地點電勢上升( groundbounce )分析、來自引腳電感的ldi / dt分析和電子遷移率em分析。Uninterruptible power supplies ( ups ) play an important role in interfacing critical loads such as computers, communication system, medical / life system
不間斷電源在一些關鍵性的負載如:計算機、通信系統、醫院等中扮演重要的角色。This fact enables the supply to be turned off as required by a switch.
這就使我們在需要斷電時就能用開關切斷電源。Cut off power supply when examine and repair
實施配線、檢修作業時,必須關斷電源。One : l should not be frequently shut off ; controlled the lamps and lanterns to kill bright by k while supplying power normal. can ' t adopt and cut off battle line. line zero power, while presenting the accident, the emergent lamps and lanterns can ' t work normally
一: l不宜頻繁關斷;正常供電時由k控制燈具亮滅,不得採取切斷火線、零線電源,否則出現事故時,應急燈具不能正常工作。First close the high - pressure pump, cut off the power supply of main device, and stop the operation of ro device
首先關閉高壓泵,切斷主機電源,關閉ro設備的運行。If power shut suddent or turn off during the machine is runing, when restart it pls shut off the presure switch and put out all compress air in the store jar, afterward turn on the pressure switch to run the machina
本機器在運行中,如遇電源突然中斷或關斷,再次使用時應將壓力開關關閉,並將儲氣罐內壓縮空氣排盡,然後再打開壓力開關運行機器。 」Two serious accidents occurred in recent months, both involving short - circuiting of live parts on low voltage electrical installations. in each case, the registered electrical workers ( rews ) did switch off the mains and essential supplies at the consumer s switchboard in order to carry out periodic maintenance inspection. however, they did not isolate the electricity supply from the power company
在這兩宗個案中,注冊電業工程人員在進行定期檢查時,並未聯絡電力公司切斷來電電源,而祗是將用戶開關掣板的總掣及后備電源關掉,所以這些電掣的來電方向,仍然是帶電。By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。First of all, the main - switches of the zvs chopper have zero - voltage turn - on and turn - off totally, so it has little switching losses. for this, the efficiency of the chopper can be improved
首先,零電壓軟開關斬波器的主功率器件完全實現了零電壓開通和關斷,所以它的熱損耗很小,減小了系統的熱損耗,提高了系統的電源變換效率。A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply
本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。They ensure the uninterrupted supply of high - quality power to such critical applications as telecom and media centers, timing systems and drug testing processes
這些設備確保為電信和媒體中心、計時系統和違禁藥品檢測程序等關鍵環節提供高質量的不間斷電源供應。The emergence of fast power semiconductor switching devices such as mosfets has made it possible to implement high - frequency inverters for induction heating
Mosfet等新型快速自關斷器件的出現,為高頻感應加熱電源的實現提供了元件基礎。When power on, the fuse burnout
接通電源開關熔絲即斷High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic
不斷用新技術手段實現數字開關電源的高精度是一個永恆的話題。經過了解國內外開關電源的發展現狀和發展趨勢,結合實際課題的要求,提出了使用高精度、高速度、高集成度的微控制器組成開關電源的控制系統。討論了將嵌入式系統與電力電子結合,在微控制器硬體基礎上通過軟體pwm波雙調制演算法輸出高精度pwm波,實現開關電源輸出電壓的萬分之一精度的方法。As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source
如果有供電系統不穩定、波動大,電源的諧波含量過高,紋波系數過大,乃至電源設備損壞、輸出異常等情況出現,將會嚴重影響視頻信號的圖像效果,大大降低防盜系統的穩定性和可靠性,我們採用快速傅利葉變換原理,即fft變換,通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換,從而得出信號中各次諧波的含量及信號畸變系數,並將其與正常工況下的參數進行對比,從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況;組成監控系統的設備長期處于工作狀態,往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高,從而影響設備的正常運行,降低設備的使用壽命。Many practical factors, such as effects of line fuses protection, disconnected switches, scheduled maintenance, spare electrical source, spare transformers in distribution system, are considered in the assessment arithmetic. in the assessment, it is more practical that low - voltage power system is equivalent to an element on the lateral section of mid - voltage system. especially, the minimal cut - sets are divided into direct cuts and indirect cuts, which makes the effects of elements in cuts on system more legible and exact
演算法考慮了分支線熔斷器保護、隔離開關、計劃檢修、備用電源、有無備用變壓器的影響,將低壓系統等效為中壓系統分支饋線上的一個等效元件進行評估,使得該方法更符合實際,特別是,將最小割集分為直接割集和間接割集,使割集元件的影響更加清晰準確,並以c + +語言編制了計算軟體。Means are provided to disconnect all conductors from the service - entrance conductors and to indicate whether it is in the open or closed position
提供切斷連接電源開關導體的各種手段並標明其開啟或關閉位置There are many kinds of power switches on the home hold electronic appliances and most of them don ’ t have remote control interfaces, but all of them are connected to the electrical outlets, if the outlets are controlled on and off in the distance, we can control the power supplies of the home hold electronic appliances, in order to eliminate the electronic appliance fire hidden troubles
家用電器的電源開關方式多種多樣,而且大多數家用電器都不具備遠程控制介面,但是所有的電器設備都是連接在電源插座上,如果能夠遠程控制電源插座的通斷,就可以達到控制家用電器電源通斷的目的,及時消除火災隱患。分享友人