low-voltage circuit 中文意思是什麼

low-voltage circuit 解釋
低壓線路
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  • circuit : n 1 （某一范圍的）周邊一圈；巡迴，周遊；巡迴路線[區域]；迂路。2 巡迴審判（區）；巡迴律師會。3 【...
  1. Recommended practice for applying low - voltage circuit breakers used in industrial and commercial power systems blue book

    用於工業和商業動力系統的低壓斷路器的應用推薦實施規程
  2. Low - voltage dc power circuit breakers used in enclosures

    外殼用低壓直流電力斷路器
  3. Low - voltage ac power circuit breakers used in enclosures

    封裝的低壓交流電源斷路器
  4. Low - voltage vaccum a. c. circuit breaker for coal mine

    礦用低壓交流真空斷路器
  5. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。
  6. To comply with the low - power - consumption application, low - voltage design is taken into account by using some special circuit structures. besides there are many nonideal effects in pll which degrade the loop performance badly, some efficient solutions have been put forward to suppress the undesired ones

    此外論文還討論了若干制約環路性能的非理想效應，並在借鑒國外相關理論成果的基礎上，成功設計了克服這類效應的一些改進電路。
  7. Trip devices for ac and general purpose dc low - voltage power circuit breakers

    交流和通用直流低壓電力斷路器的斷開裝置
  8. The three - phase distribution flow method on combining the back / forward sweep algorithm and circuit calculation is studied. as a result, the transform model from the apparent power of low voltage side to the current of high voltage side is built

    研究了電路計算與配電網潮流計算的前推回代法相結合的（基於電路分析的）三相潮流計算方法，在該演算法的基礎上建立了配變低壓側的功率到高壓側的電流的轉換模型。
  9. Low voltage 24v thermostat soldering pen protects the faulty circuit board

    低壓恆溫24v烙鐵有效保護維修線路板。
  10. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  11. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流，兩者產生的偏置磁場在控制線圈產生感應信號，檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號，該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號，再由pid控制器轉換為轉子位移的控制信號，最後控制信號輸入功放電路產生控制電流，實現閉環控制。
  12. Lateral high - voltage power device ldmos has advantages of high - voltage, large gain, wide dynamic range, low distortion and compatibility with low - voltage circuit process

    橫向高壓功率器件ldmos有耐高壓、增益大、動態范圍寬、失真低和易於和低壓電路工藝兼容等特點。
  13. It ought to be compatible with low - voltage circuit process and satisfy requirement of high - voltage and large current this paper deeply discusses threshold voltage, on - resistance and current characteristic of ldmos, and builds the approximately accurate model of these electrical parameters

    本文討論的ldmos結構是pdp選址驅動晶元設計的一個關鍵問題，該結構實現了與低壓電路工藝的兼容，並滿足耐壓高、電流大的實際需要。
  14. 4 ). analysed the relationship of sensor ’ s voltage and ldmos ’ voltage, which will benefit from the intergration of high voltage device and low voltage circuit. 5 )

    4 ）分析一種帶sensor端ldmos的檢測端電壓與功率管電壓的關系，以期更好的設計高低壓集成的智能功率ic 。
  15. Low - voltage switchgear and controlgear low - voltage circuit breakers

    低壓開關設備和控制設備低壓斷路器
  16. Calculation and selection of low - voltage circuit breaker breaking capacity

    低壓斷路器分斷能力的計算和選擇
  17. The factors that affect the frequency response of a capacitive divider were studied carefully. a coaxial voltage capacitive divider with an umbrella probe and a low - voltage circuit was presented. experiments shown that the frequency response of our probe is better than others of such dividers

    本文分析了影響電容分壓器響應的因素，探討了傘式探針的性能，設計了以傘式探針為基本結構的同軸電容分壓器，提出了測量不同信號的兩種i 。
  18. With the development of the electric industry and the rapid increasing of the wastage of the power, the effect of the low - voltage circuit breaker on the power supply and the circuit protection is more and more important. it was required that the circuit breaker has enough short circuit breaking capacity and some intelligent functions

    隨著我國電力工業的發展和用電量的猛增，低壓斷路器在配電和保護線路中起著日益重要的作用，要求它具備很大的短路電流分斷能力，實現選擇性保護和供電安全，同時具有一定的智能化功能。
  19. However, to the design of analog circuit, it is a challenge when its supply voltage is low o now the typical supply voltage of analog circuit is about 2. 5 - 3 v, but the trend suggests it will be 1. 5 v, even much lower. under this condition, great effort of research members domestic and abroad is devoted to the design of low - voltage circuit structure with standard cmos processes in the analog ic, one of the typical circuits is operational amplifier, and many analog circuits can use it.

    然而，電源電壓的下降對模擬電路的設計是一個挑戰。如今模擬電路的典型電源電壓大約是2 . 5 3伏，但是發展的趨勢表明電源電壓將是1 . 5伏，甚至更低。在這種情況下，國內外研究人員的很多精力花在設計適用於標準cmos工藝的低壓電路結構。
  20. Recommended practice for applying low - voltage circuit breakers used in industrial and commercial power systems

    工業和商業電力系統用低壓斷路器的推薦規程
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