饋電電路 的英文怎麼說
中文拼音 [kuìdiàndiànlù]
饋電電路
英文
current-feed circuit-
A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋控制技術,后級採用三態dpm電流滯環控制技術。The analysis of feedback type by means of microchange equivalent circuit
利用微變等效電路分析反饋類型A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up
建立了配電網的簡化模型,即將饋線開關當作圖的頂點、將饋線當作弧,採用等長鄰接表的數據結構來描述配電網,大大減少了佔用空間和提高了查詢速度,並建立了基於等長鄰接表的配電網路拓撲演算法。Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning
與原有的兩次采樣a / d轉換器相比,用數字電路實現數字反饋可不用技術復雜、價格昂貴的高準確度d / a轉換器,具有集成度高、準確度高、適用性強、價格低等優點,可廣泛應用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。Cathode - return circuit
陰極反饋電路The circuit receives feedback signal of encoder, disposes it by pid and in the form of digit sends control signal which is transformed by d / a into analogue signal to servo amplifier, so further to control motors
電路板接收碼盤反饋信號,通過內嵌的pid演算法,以數字形式給出控制量,經過d a轉化為模擬控制信號給伺服放大器,進而控制電機運行。Study of energy feedback snubber circuit in high power ipm three - level converter
大功率三電平變流器中的能量回饋型吸收電路We have designed the scanning and control system, which includes a pre - amplifier, a pid feedback and scanning - control circuit, high - voltage amplifiers and so on. the function of controlling scan and feedback has been realized
設計完成包含有前置放大電路、 pid反饋和掃描控制電路、高壓放大電路等掃描控制電路在內的掃描控制系統,完成各部分電路性能的測試及功能調試,實現反饋和掃描控制。The voltage of bridge capacitor will become unbalanced, when inverter ' s input side is a single source. this phenomenon is inherent with the control of voltage feedback. a balance winding can overcome this shortcoming and widen the application of this circuit
採用單電源供電的半橋電路,如僅採用電壓反饋控制方案無法克服橋臂電容電壓的不平衡,通過加入平衡繞組可以克服這一缺陷,擴大電路的應用場合。Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed
其後,在具體的子adc設計中,對比各比較器類型的優缺點,並基於預放大鎖存快速比較理論,提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制,在回饋噪聲對輸入參考電平的影響和功耗之間折衷,確定優化的參考電阻串阻值;根據不同級精度的編碼要求,設計出時鐘控制編碼電路。Feed network design of shaped beam slotted array by finite element method
有限元方法設計賦形波束縫隙面陣饋電網路Feed network is an important part of short - wave multimode multi - feed antenna system. the design of feed network is a pivotal technique in the process of projecting antenna system. above all, this paper expounds the basic notion and procedure of analyzing and designing feed network applying the substructure analyzing theoretics of interconnect - net. basing on these jobs, some radical methods of analyzing and measuring the substructure of feed network are presented. using these methods, substructure is analyzed and measured. finally, a measured database of substructure of feed network is established
本文首先闡述了應用網際網路絡子結構級聯理論分析、設計饋電網路的基本思路和步驟,在此基礎上,給出了饋電網路子結構分析和測量的基本方法,並且應用這些方法完成了饋電網路子結構的分析和測量,最後給出了饋電網路子結構的測量數據庫。Feeder circuit breaker see distribution circuit breaker
饋電線路開關見「配電線路開關」 。The high power active feed network is more and more used in the satellite - borne phased - array radar
摘要大功率有源饋電網路收發系統越來越多地運用於相控陣雷達衛星中。Furthermore, it is very important that improve the autoimmunization of substation without watch - keeper. in the design of substation, we predigest main wiring with a minitype base and adopt simple wire - connection : dule t type is used in 66kv side, segmented single bus - bar with hospital bus - bar is used in l0kv for major load
在該無人值班變電所的設計中,以小型化模式為基礎,簡化主接線: 66kv側採用雙t接線方式,正常時雙線雙變壓器分列運行; 10kv側由於饋電線路較多,負荷較為重要,因此採用單母線分段帶旁路接線方式。The unites which is designed according to the transformer substation and distribution automation have protection, measurement, controlling and communication function communicated with ftu and realize measurement, protection and feeder automation integrated functions. the equipment can communicate with scada and finish measurement and controlling function
本系統的配電終端是按同時面向變電站(開閉所)間隔與配網自動化饋線設計的一體化現場終端,具有保護、測量與控制以及對饋電線路ftu的通信管理功能,實現了測控、保護、饋線自動化三合一的思想。The antenna can provide high isolation and low return loss in a compact space with simple fabrication, no needing complex feed network
整個兩埠天線結構在滿足回波損耗小和高隔離度的同時,還具有緊湊、不需要復雜饋電網路、製作簡單的特點。An applicable example of one kind of satellite - borne t / r system composed of high power active feed network is presented, and the key technologies in the satellite environment such as amplitued - phase consistency, anti - multipaction, anti - space - esd is also disscused
介紹了一種星載大功率有源饋電網路收發系統的實例,並探討了星載環境的幅相一致性、抗微放電以及抗空間靜電放電等關鍵設計技術。Shaped pattern synthesis originated with schelkunoff in 1943. however, the current magnitude variations could not be effectively controlled by most conventional approaches until michael. j. buckley in 1993 employed the implicitly constrained current elements in the optimization process
傳統的賦形波束綜合演算法沒有對電流幅度加以有效的控制,綜合得到的電流幅度變化較大,給饋電網路的設計和實現造成很大困難。分享友人