饋電變壓器 的英文怎麼說
中文拼音 [kuìdiànbiànyāqì]
饋電變壓器
英文
feeding transformer-
As the main automation contractor, emerson will leverage its significant engineering expertise to design, install and commission the digital automation system and also perform various specialized services on the units ' electrical subsystems, such as the generator, transformers, feeder ducts and switchgear
作為主自動化承包商,艾默生將派出其最具經驗的工程專家來設計,安裝和調試數字自動化系統,以及為機組的電氣子系統,例如發電機,變壓器,饋電管道和開關設備等,提供多種專業服務。Like the transformer coupled circuit, the choke feed in the parafeed circuit allows the output to swing above and below the power supply voltage
和變壓器耦合電路一樣,旁饋電路中地扼流圈也能容許輸出在高於和低於高壓的情況下波動。On account of the disadvantages of the feedback reactive power compensator, a device of its simplified scheme is studied in this paper, in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer
由於這種反饋式補償方案存在一些問題,本文分析了它的簡化形式,即通過調節降壓變壓器低壓側的母線電壓來調節濾波器的無功出力的補償方案。Transformer feeders shall have a capacity not less than the rating of the transformer
變壓器饋電線的載流量不應低於變壓器的額定電流。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。Five different structures are described : standard transformer coupling, parafeed, resistively loaded stage capacitively coupled to the output transformer, tube ( valve ) based constant current source load capacitively coupled to the output transformer, and solid state ( mos fet ) constant current source load capacitively coupled to the output transformer
我們將討論五種不同的方式:標準變壓器耦合;旁饋耦合;電阻性負載電容性耦合至輸出變壓器;膽恆流源負載電容性耦合至輸出變壓器;以及晶體管恆流源負載電容性耦合至輸出變壓器。Two single - stage pfc converters with the negative feedback of engergy - storage capacotor voltage by transformer windings are analyzed. the two converters have similar performances, and they can be translated each other, which verified the translation rule. the analysis and simulation show that with the negative feedback of energy - storage capacitor voltage by transformer winding have good performances
通過對兩種採用變壓器繞組實現負反饋的單級pfc變換器研究,結果顯示出它們的相近性,驗證了兩端模式和三端模式的轉換規則,同時也說明採用變壓器繞組實現負反饋的方式對抑制電容電壓有很好的效果,並對其進行了優化設計。A simplified analysis method of distribution networks is presented. the voltages and the power on / through both end of the feeder are used to describe the load and its distribution within the feeder line. only field test datas from feeder circuit breakers in substations, switches along the feeder lines and on the loop points are needed to obtain a sactisified analysis result
提出一種通過饋線兩端的電壓和流過饋線兩端的開關的功率反映饋線上的負荷及其分佈情況的配電網的簡化分析方法,這種方法只需對變電站的出線開關、饋線的分段開關和聯絡開關進行量測,而不必量測饋線上的配電變壓器,就能得到滿意的分析結果。The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential
Dms網路分析的基本軟體有:網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有:負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具,通過它可以了解和掌握當前的運行狀態,從而挖掘安全和經濟方面的巨大潛力。It analyses the working principle of the novel reactive power compensator, the relationship of currents in stable states, algorithm of filtering capacity and transient process
本文分析了這種反饋式無功補償方案的工作原理,穩態下各電流之間的關系,變壓器變比的確定方法,濾波能力和暫態過程。Two kinds of common used snubber circuits are studied through simulation and experiment. it is pointed out that the rcd snubber has less power loss. increasing the turn ratio of transformer is helpful for the energy, which is stored in the primary side of transformer, to be transferred to the secondary side
通過實驗和模擬,對比研究了電路中周波變換器的兩種常用的緩沖電路,指出採用rcd緩沖電路損耗更小;提高變壓器匝比有利於減小鐵芯儲能的回饋,提高逆變器變換效率,但它同時也增加了副邊功率管的電壓應力,必須綜合兩方面確定合理的匝比。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。The platform is widely applied in precision engineering, ultraprecision machining and et al, which consists of a mechanical elastomer, two piezoelectric actuators, two driving circuits based on charge - feedback, two linear variable differential transformers, and a numerical control device based on c8051f021
該平臺主要由機械彈性體、壓電作動器、壓電作動器驅動電路及電荷反饋迴路、差動變壓器測微儀和c8051f021單片機控制裝置等構成。Advantages of this configuration : like parafeed, there is no dc in the transformer, so a smaller unit can be used
該結構的優點:和旁饋電路一樣,變壓器不需要通直流,所以可以做得比較小。Disadvantages : like the resistor load example, much higher voltage is required. an extra tube is needed. lower efficiency than the parafeed or transformer example
缺點:和電阻負載一樣,高壓要求很高。需要增加膽管。比旁饋和變壓器負載效率更低。Based on the design theory of power amplifier, a wide - band power amplifier was designed successfully by the push - pull transistor, the feedforward technical of linearization, the matching circuits of transmission line transformers and microstrip, and ads simulation software
根據寬帶功率放大器的設計原理,採用推挽結構晶體管,前饋線性化技術,傳輸線變壓器和微帶混和匹配電路,利用ads進行模擬設計,成功的設計出一款寬帶功率放大器。Firstly, design the software phase - closed loops ; secondly, realize the double closed loops control of the instantaneous value and the virtual value. furthermore, the dynamic flux imbalance of the output transformer caused by ordinary pi arithmetic is analyzed in detail. a new solution for flux balance by sampling the instantaneous primary current of the output transformer and introducing the on - line calculated bias current component into the voltage regulation arithmetic is presented
系統軟體實現了ups的各個功能模塊,首先設計了軟體鎖相環;然後實現了輸出電壓瞬時值和有效值雙閉環反饋控制;並且在深入分析基本數字pi演算法所引起的輸出變壓器動態偏磁問題的基礎上,提出了一種改進演算法,實時消除了變壓器的偏磁。The transformer test unit is mostly used to supervise the transformer ' s parameters in residential areas and it can feed them back to the upper stations
變壓器檢測終端主要用於監測居民小區供電變壓器的工作參數,並將這些參數反饋給上級主站。Isolating signal and feedback transformers for use in electronic equipment
電子設備中隔離和反饋信號用變壓器Fault location is an importrant function in distribuiton automation. in the thesis, the transferred information from feeder terminal unit is computed with load ’ s trapezoid fuzzy figure. the fault location is affirmed by the result of computation using the trapezoid fuzzy math theory. the atp and matlab softwares are used to simulate the 10kv lines in urmuqi distribution network. and the results shows the reliability and accuration of the method in the thesis
線路故障定位是配電自動化的一項重要功能,文中提出利用線路始端電壓、電流和線路ftu (饋線終端單元, feederterminalunit )的上傳信息,結合配電變壓器負荷的梯形模糊數模型,運用模糊數學理論通過電流計算來進行故障定位的新方法。分享友人