匹配電壓器 的英文怎麼說
中文拼音 [pīpèidiànyāqì]
匹配電壓器
英文
matching transformer- 匹 : Ⅰ動詞(比得上; 相當; 相配) be equal to; be a match for Ⅱ形容詞(單獨) lone Ⅲ量詞1. (用於馬、騾等) 2. (用於整卷的綢或布)
- 配 : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 壓 : 壓構詞成分。
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 匹配 : 1. [書面語] (婚姻配合) mate; marry 2. [電學] matching
- 電壓 : voltage; electric tension; electric voltage
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Variable voltage and variable frequency ( vvvf ) inverter control technology applied by ford passenger lift extends the utilization from the elevators drive system to the door machine system, plus its matching none link lever synchronous belt type door machine structure, it results in the more smooth sensitive and secure door open and shut. the passengers feel the doubled warmth in entering into and exiting the elevators
福德乘客電梯所應用的變壓變頻( vvvf )逆變器控制技術,從電梯驅動系統延伸運用到了門機系統中,加上與之相匹配的無連桿同步帶式門機結構,使電梯門的開啟和關閉更加平穩、靈敏和安全,令進出電梯的乘客倍感親切。Drop passives : matching transformers 75 ohm to 300 ohm
無源電壓降:匹配變壓器75ohm到300ohm( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized
( 8 )進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究,當控制系統調節空燃比在一定范圍按照一定頻率進行波動時,可以提高催化轉化器的轉化效率;通過控制氧傳感器的比較電壓,可以控制催化轉化器的工作窗口,實現排放污染物中, hc 、 co 、 nox轉化的最優匹配。At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened
目前,牽引變壓器通常採用差動保護作為主保護,但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障,如故障電流與變壓器處于勵磁涌流、過勵磁, ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分,可能造成保護誤動或拒動,從而危及整個鐵道電氣化系統的安全運行。The pwm control of duty cycles acts as an electric transformer which regulates the amplitudes of equivalent input voltage and equivalent output voltage, so that both positive and negative amplitudes of equivalent input voltage are equal to those of equivalent output voltage
對器件占空比的pwm調節,相當于在電路中加入一個電子變壓器,使得輸入方波電源和輸出方波電源的正負電壓幅值分別匹配。The negative sequence current of impedance - matching balance transformer
阻抗匹配平衡變壓器的負序電流Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account
阻抗匹配平衡牽引變壓器(本文中簡稱平衡變壓器)是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器,它不同於已有的任何一種變壓器,短路電流的分析計算和短路試驗必須予以重新研究。It can automatically match rotational speed generator, electromagnetic rotational speed sensor and electromagnetic turbine flowmeter. moreover it can adapted measured signal that is 1v ~ 300v voltage and 1hz ~ 2500hz frequency
能自動匹配測速發電機、電磁式測速傳感器和電磁渦輪流量計,適應電壓峰峰值從1伏以下至300多伏、頻率從1hz以下至2500hz以上的被測信號。As a result, this paper gives a corresponding harmonic prevent me asure. finally, according to the asymmetrical characteristics of electrical traction loads, this paper studies the negative sequence currents under different loads and makes a piece of advice for reducing the negative sequence currents produced
最後,還根據電力牽引負荷三相不對稱的特點,分析了阻抗匹配平衡變壓器在不同負荷條件下的負序電流,對如何減小電力牽引負荷的負序電流提出了一點建議。The high - intensity - discharge ( hid ) lamps are widely used in lighting system for the high luminous efficacy, long life and good color rendering. high - pressure - sodium ( hps ) lamps have the best combination of the above properties and are considered as ideal light sources. therefore the design of the electronic ballast for the lamps is an important part of the green lighting project
高強度氣體放電( hid )燈以其光效好、壽命長、顯色性好而在照明領域得到廣泛應用,高壓鈉燈( hps )即為一種具有上述優點的理想光源,而設計與之相匹配的電子鎮流器是實施綠色照明工程的重要組成。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation
鑒于湯陰變電站的諧波主要來自電力牽引負荷,本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況,得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器,分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波,推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據,歸納了電力牽引負荷注入湯陰變電站的諧波的特點。A vlsi very large scale integration architecture is also proposed to implement the improved motion estimation algorithm. experimental results show that this algorithm - hardware co - design gives better tradeoff of gate - count and throughput than the existing ones and is a proper solution for the variable block size motion estimation in avs
考慮到avs主要面向圖像尺寸較大的高清數字電視壓縮,這種高復雜度的運算已經超過了現有通用處理器的運算能力,因此有必要設計專門的快速演算法和與這種演算法相匹配的硬體加速器。Based on designing the models of cutter and dc motor, this paper introduces how to match the characteristic between cutter and dc motor, then analyzes the principle of speed regulator, relay control system and thyristor bridge in the cutter driver system and designs a simplified model. in the end, a small simulation program is provided to demonstrate how to work in cutter driver system model. 4
在設計絞刀和直流電動機的模擬模型的基礎上,提出了絞刀與直流電動機特性的匹配方法,然後分析了調速系統、可控硅整流系統和繼電器控制系統的工作原理,設計了簡化的模擬模型,最後提供了模擬程序的實例; 4 、液壓系統。Design of wide - band longitudinal mode piezoelectric transducers with impedance matching layers
具有阻抗匹配層的寬帶縱向振動壓電換能器設計The fourth part analyzed the intermediate dc voltage and its control principle and the technical parameter of the main parts in the ac transmission system. several key technical problems such as parallel working of the ac motors, the wheel diameter difference under the bogie - control mode, the ac motor - inverter matching principle are studied in detail. the principles to determine the electrical parameters are also discussed
論文第4章重點研究了變流器的中間直流電壓的確定及其控制規律,確定了交流電傳動系統主要部件的技術參數;研究了架控方式工作下電動機並聯工作、輪徑差、電機?變流器匹配原則等關鍵的技術問題;詳細分析了交流傳動系統在牽引工況和電阻制動工況下各參數的工作過程和控制原則。The transient simulation model of impedance - matched balancing transformers is established. the effect of transient model and equivalent circuit in calculation of steady short circuit current are compared
摘要建立了阻抗匹配平衡變壓器的暫態模擬模型,比較了暫態模型和等值電路在計算穩態短路電流中的效果。An inverter prototype is given in this chapter. load matching transformer and resonant capacitor are also discussed in chapter three
給出了逆變器布局的結果、高頻匹配變壓器設計結果和高頻無功補償電容選型和實際參數。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。Voltage matching transformer
電壓匹配互感器分享友人