limiting circuit 中文意思是什麼

limiting circuit 解釋
限幅電路
  • limiting : adj. 限制（性）的，有限制力的，起限定作用的〈不涉及性質的各種定語如： several, four 等〉。
  • 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. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  2. 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。
  3. High - voltage fuses. part 3 : determination of short - circuit power factor for testing current - limiting fuses and expulsion and similar fuses

    高壓熔斷器.第3部分:試驗限流熔斷器和排氣式及類似型式熔斷器的短路功率因數的測定
  4. Analysis on cut - off current overvoltage of the vaucum circuit breaker and its limiting measures

    真空斷路器操作過電壓及其限制措施
  5. After that, the author discusses a novel solid states limiting technology and provides a single - phase solid states bridge current limiter and a main circuit topology of three - phase fault current limiter. it can be found that the new type of three - phase solid states bridge current limiter can handle the fault conditions more flexibly. it can not only remove the fault circuit, but also control the value of stable fault current to cooperate with the existing line three - segment relay

    繼而，介紹了一種新型固態限流技術，給出了單相、三相限流器的主電路拓撲，分析了其基本工作原理和控制方式，指出以全控橋結構為基礎的變壓器耦合橋式限流器能夠更加靈活地處理電力系統的各種短路故障，及時地限制短路電流，並與現有的線路三段保護相配合，還可根據需要實現及時切除故障電路，在故障恢復時軟重合閘。
  6. Gzx inductive resistance current limiter is applied to ac power system with rated voltages of 6kv 10kv 35kv 50hz and series connected with shunt capacitor for limiting the surge current of shunt capacitor bank and eliminating the affection of capacitor discharging current during short circuit

    電感電阻型限流器用於交流50hz ，標稱電壓為6kv 10kv 35kv電力系統中，與電容器相申聯，以達到限制並聯電容器組的合閘涌流，及消除電力系統短路時電容器放電電流的助增影響。
  7. Vacuum circuit breaker, drop - out fuse, current limiting fuse, hv fuse, lightning arrester, load switch, power cable distribution box, ring - type net switch station, intelligent power distribution automation system, box transformer substation, hv switchgear cabinet set, lv switchgear cabinet set, isolating switch, hv synthetic rubber insulator, etc. high technology is the source of sunrise development " continuous improvement, keep learning to succeed " is our concept. the group has established a long - tem cooperation with uk birmingham university. electric power research institute of china

    主要生產126kv以下輸變電設備，主要有真空斷路器跌落式熔斷器限流熔斷器高壓熔絲避雷器負荷開關電纜分接箱環網開關站智能配電自動化系統箱式變電站高壓成套開關櫃低壓成套開關櫃隔離開關高壓合成膠絕緣子等14大系列800多種規格。
  8. Abstract : the system composed of intelligent control modules for three - phase induction motors is introduced in this paper. this module can conduct starting, reverse braking, and reverse conrtol with current limiting resistance. besides, it can also detect low voltage, overload, and open circuit of 1 or 2 phases, and do protection according to the detection. it especially fits to the controlling of motors which often do starting, braking and reversing

    文摘:介紹了一種智能三相電機控制模塊組成的系統，能在串電阻（電抗）起動、反接制動和換向控制的基礎上進行欠壓檢測、過載檢測、斷相檢測及電機故障保護.尤其適用於起動、制動和換向控制頻繁的電機控制場合
  9. Application guide for low - voltage ac nonintegrally fused power circuit breakers using separately mounted current - limiting fuses

    低電壓交流非整體熔斷電源斷路器
  10. Based on the high - low voltage electric driving unit, a new electric driving unit is built, which not only has the advantages of the high - low voltage electric driving unit but also has the advantage of obtaining high limiting current and low maintaining current easily. using self - excitation chopper circuit, the electric driving unit is good efficient, and the heat creating from the solenoid is small

    在高低壓驅動電路的基礎上又設計出一種高低壓自激斬波恆流驅動電路，該驅動電路除了具有高低壓驅動電路的功能外，還具有高壓限流和低壓維持電流獲取方便、能量利用更為合理、閥發熱更少等特點。
  11. A new bridge type high temperature superconducting fault current limiter ( sfcl ) with a limiting impedance of superconductor serried in the limiting circuit is proposed, which could limit the peak value and the stable value of the fault current

    摘要提出一種改進的橋式高溫超導限流器拓撲結構，將不同高溫超導體製成的限流電阻與限流電感同時申入橋式限流迴路。
  12. Amplitude limiting circuit

    限幅電路
  13. When the signal source of an op - amp contains an energizing voltage which is much higher than the op - amp supply it is common to use a diode and a current limiting resistor to protect the op - amp in the event of a sensor short - circuit

    為了防止信號源竄入高壓損壞放大器，常見的做法是在放大器輸入端到放大器電源間串接一個二極體，並且在放大器輸入端串接一個限流電阻。
  14. The design of the circuit ? key parameters including pulse width in the level shifter part and delay time of the filter circuit, and the necessity to add a limiting current resistor at source the ldmos were emphatic analyzed. author finished the design of each sub - circuit

    對電路關鍵參數高低壓電平位移脈沖寬度、高端濾波電路濾波寬度的設計及在ldmos源端加入限流電阻的必要性進行了重點分析，完成了各單元電路的設計。
  15. This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted. 2 mhz digital circuit mainly composed of dds ( direct digital synthesis ) chip, which carries out the shift of the phase and the limit of the amplitude, has been designed and debugged successfully. it is used to substitute for the conventional phased shift circuit and amplitude limiting circuit which work at the radio frequency, so the all - digital transmit channel of phased shift array radar is achieved

    本論文研究的重點是：針對傳統相控陣雷達系統收發（ t r ）組件中的移相和限幅功能均在射頻段完成，大膽利用直接數字合成（ dds ）晶元組成頻率在2mhz左右的數字電路代替傳統相控陣雷達在射頻段進行移相和限幅的電路，從而組成全數字發射通道，使對相位和幅度的控制和調試更方便快捷，並設計具體的電路驗證此方案的可行性。
  16. Then the operation principle of the device is introduced to the readers and the definition of the limiting rate of the fault current and the compensation degree of the series reactance is done. in this section, the author designs the snubber circuit and the gate drive circuit of the gto

    首先，在總結前人研究成果的基礎上，提出了pwm - fcl的拓撲結構，並對其工作原理進行了闡述，給出了限流度以及補償度的定義，並針對gto的特性，設計了其緩沖保護電路和門極驅動電路。
  17. And then, we analyze the nonlinear properties of limiting amplifier. due to the typical nonlinear properties of limiting amplifier, we studied the method of academic analysis for microwave nonlinear circuit and the nonlinear circuit model of transistor in detail

    由於微波限幅放大器的工作是典型的非線性特性，我們研究了非線性電路的分析方法和微波晶體管的非線性模型，詳細得介紹了諧波平衡法這種重要的非線性電路分析方法。
  18. Aiming at the functional shortcomings existed currently in widespread use of intelligence drinking water machine with ic card, which cannot identify the expiration of water quality and cannot adjust water price according to the speed of drinking water supplying, etc., this paper puts forward the improved plan which establishes the monitoring devices for fluid volume and speed of water supplying and adds the modules for the unit price adjustment of water supply and the device for limiting water supply, and also adds the usb interface electric circuit, satisfying the communication and function expansion

    摘要針對目前普遍使用的帶有ic卡的智能收費飲水機存在的無法判別水質過期和不能根據飲用水機供水速度而自動調節供水單價等功能缺陷，提出了改進方案，設置了供水流量和速度檢測裝置，增加了供水單價調節模塊和限制供水機構，也增加了usb介面電路，滿足通信和擴展功能。
  19. Overvoltage limiting for vacuum circuit breaker when breaking off non - loaded transformer

    真空斷路器斷開空載變壓器的過電壓限制
  20. Analysis of effect of 1 000 kv uhv grid on the short circuit current of the central china grid and research on limiting measures of short circuit current

    特高壓網架對華中電網短路電流水平的影響分析及限流措施
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