power supply source 中文意思是什麼

power supply source 解釋
電源
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • supply : vt ( plied) 供給;供應;配給;補充,填補,彌補(不足、損失等)。 Cows supply us (with) milk ...
  • source : n 1 源頭,水源,源泉。2 根源,本源;來源。3 原因;出處;原始資料。4 提供消息的人。5 血統。vt 〈美...
  1. As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters

    這款晶元是一款數模混合晶元,包括模擬信號處理(含模數介面模塊)和數字信號處理兩大模塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效數字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。
  2. Crowbar circuit protection of high voltage power supply of plasma filled hpm source

    充等離子體微波源高壓電源的撬棒保護
  3. Study on the superposing methods of multi harmonic wave source based on the matlaib power supply system

    的供電系統多諧波源疊加方法的研究
  4. The agilent 6611c system dc power supply is an ideal power source for demanding production test applications

    Agilent 6611c系統直流電源供應器為嚴苛的生產測試應用,提供了一個理想的電源。
  5. Transmitting noise is main interfereing source of switch power supply which is coupled through lines of power supply, singal, interlinkage and grouding

    摘要傳導型噪聲是開關電源的主要騷擾源,它可以通過電源線、信號線、互連線、接地導體等進行耦舍。
  6. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時,基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電壓和交流電流中出現非特徵諧波分量,使直流電壓和交流電流波形發生嚴重畸變;三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  7. However, the military application of uwb pulsers is limited by the fact that they have to depend on the ground dc power supply as their primary energy source

    目前,各種超寬帶脈沖發生器都離不開地面的直流充電系統,因而使得它在軍事領域的應用受到限制,尤其是制約它作為進攻性武器的使用。
  8. Msl power source produced by us, is able to control two high voltage transformer in a order, and can stop power supply when meet trouble at starting or meet abnormal extinguishment. thus, microwave leakage can be controled

    我們做的微波硫燈電源能夠控制兩臺高壓變壓器先後啟動,能夠在微波硫燈啟動異常和突然熄滅的時候自動斷電,從而有效地控制了微波泄漏。
  9. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構,一次逆變提供快速的響應速率並給二次逆變提供能量,二次逆變提供良好的變極性性能,使輸出能量最優化,並用其低頻電流特性減小電弧線能量,控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上,利用電流的高頻特性壓縮電弧,改善焊縫金屬結晶過程。
  10. The dj - a gynecological examination bed is uses the electrically operated lead screw to make the surface of bed fluctuation the power supply, when use so long as inserts the power source, controls the surface of bed with the foot the fluctuation, the seat back cushion and the cushion adjustment is uses was mad the spring makes the poweruses the electrically operated lead screw is the power supply, surface of bed fluctuation, the seat back cushion and ( manually controlled ) sits the board the angle adjustment the switch to control by the foot control, easy to operateif must cause to inspect the bed to move the position, blooms a base four feet turn of slightly tight pine, transfers to needs the position afternoon tight foot turn then the foot pad is the add - on component, may conveniently install according to the surgery need or dismount

    型婦科檢查床是採用電動絲桿作床面升降的動力源,使用時只要插上電源,用腳控制床面的升降,靠背和坐墊的調節是採用氣彈簧作動力.採用電動絲桿為動力源,床面的升降,靠背和坐板的角度調節均由腳控(手控)開關控制,使用方便.如果要使檢查床移動位置,將底部四個腳輪的稍緊松開,移到所需位置后稍緊腳輪即可.腳墊是附加裝置,根據手術的需要可方便地裝上或卸下。
  11. An optional second power analyzer is available, which can be used independently from the source, or for dual - node measurements such as power supply input output efficiency tests

    還可使用可選的第2臺功率分析儀作為獨立源或用於雙結點測量,例如電源輸入或輸出效率測試。
  12. It " s very necessary to design and utilize the drive circuit of high frequency power mosfet, power regulation circuit and frequency - tracing circuit as three very important parts in control system of induction heating power supply. all those provide some experience for the designing and debugging of electrical source, reducing the cost and advancing efficiency

    本課題就是基於這種需要,研究高頻( 1mhz 3mhz )情況下採用功率mosfet為主開關器件的串聯逆變電源的頻率跟蹤控制電路,因此高頻情況下功率mosfet的驅動電路、頻率跟蹤電路以及功率調節電路等成為主要的研究對象,這些為以後電源裝置的設計調試、減少器件成本及提高工作效率提供良好的前期準備。
  13. The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis

    本文首先闡述了開關電源的工作原理,詳細介紹了本電路的整體工作原理,最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理,並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬,給出了合理的電路數據,各子模塊電路的電特性參數均達到或優于設計所需指標。
  14. This paper analyzes and compares between the external power source supply methods adopted in chinese subway system from six aspects, including the reliability and quality of power supply system, the working management and the project investment etc. then the author comes to the conclusion that the concentrated method is better than the separate method in terms of external power source supply

    摘要針對我國目前地鐵供電系統所採用的外部電源供電方式,從供電質量、供電可靠性、運營管理以及工程投資等六個方面進行了分析和比較,並得出集中供電方式優于分散供電方式的結論。
  15. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括:工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路(恆流源電路、時基信號處理電路、被測信號處理電路)設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括:主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號,並對三種不同測試狀態(靜態、動態、暫態)下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  16. When examination, the power supply basic performance carries on the test in the power source output line plug place, the output ripple and the noise test must in the test point parallel 47u / 16v tantalum electric capacity and 0. 1 u f high frequency electric capacity

    檢驗時,電源基本性能均在電源輸出線插頭處進行測試,輸出紋波及噪聲測試需在測試點並聯47 / 16v鉭電容及0 . 1 f高頻電容。
  17. 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。
  18. Tg series small size generating sets are combined with advanced single bearing brushless generator and famous engine, it ? s direct - coupled between generator and engine, the generating sets have the characteristics of wonderful configuration, small measurement, light weight, easy operation and maintenance, it ? s reliable power supply for family as reservation source

    甘油三酯系列小型發電機組,結合先進的單軸承無刷發電機和著名引擎,它的直接耦合關系發電機和發動機,發電機組,有特色的精彩配置,測量小,重量輕,易於操作和維修,它的可靠供電家庭作為保留來源
  19. The hardware system includes power supply circuit, clock reset circuit, jtag model building circuit, decoding circuit, memory interface circuit, man - machine interface circuit and numeric control constant - current source interface circuit

    硬體系統主要包括電源電路、時鐘復位電路、 jtag模擬介面電路,譯碼電路、存儲器介面電路、人機介面電路、 adc轉換電路和數控恆流源介面等。
  20. At present, the key technology of edm power supply is how to design a power supply with simple circuit, finish maching, high heat availability, high efficiency and wasting less energy, so a current source lcc resonant converter is selected for the edm power supply in this paper, the prototype of current source and load adaptability are used to get the performance of simple circuit, finish maching, high efficiency and wasting less energy. at first, the status quo of edm power supply is introduced in this paper, the design of an edm power supply is comfirmed after the characteristics of current edm power sypply has been summarized. secondly, the principles of the lcc resonant converter are analyzed in detail

    本文首先介紹了edm電源的研究現狀,在總結當前edm電源特點的基礎上,確定了採用電流型lcc串並聯諧振變換器作為主電路拓撲的設計方案,其次,對拓撲進行了詳細的原理分析,由於電流型lcc串並聯諧振變換器眾多參數是相互影響的,在對edm電源系統進行分析與模擬基礎上,對參數設計進行了優化設計,再次,對拓撲及edm電源進行了建模與模擬分析,確保了該edm電源設計的可行性,最後研製了輸出峰值電流為20a的電流型edm電源樣機,並通過對原理樣機的實驗,驗證了參數優化設計的正確性及電流型lcc串並聯諧振變換器的edm電源的優越性。
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