消諧器 的英文怎麼說
中文拼音 [xiāoxiéqì]
消諧器
英文
ds-ksx196h-1-
Iron - magnetic resonance of electromagnetic - type potential transformer of 10 kv power system for yamzho yumco pumped storage station
系統電壓互感器引起的鐵磁諧振及消諧方法On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads
本文在充分調研的基礎上，認為目前採用的傳統的無功功率補償裝置存在響應速度慢、觸發時刻不合適、補償電容器上有殘壓、不能實行三相平衡補償、對電網產生污染、不能消除負荷本身產生的高次諧波等弊病。A lcc multi - resonant ( mr ) network is added to the traditional three - level converters to realize zvs. the unique arrangement of a multi - resonant network results in absorption of all major parasitic components hi the resonant circuit, such as transistor output capacitance, diode junction capacitance and transformer leakage inductance, which can eliminate parasitic oscillation in the converter
它的優點在於諧振電容吸收了開關管和續流二極體的結電容，諧振電感吸收了變壓器的漏感，使得開關管和續流二極體都能在軟開關的條件下完成導通和關斷過程，消除了電路中的寄生振蕩。Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented
模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。India based manufacturer of electronic instruments for control, weighing, and energy monitoring for textiles mills and machinery manufacturers
-生產避雷器在線監測器消諧器電容電流測試儀真空度測試儀等電力儀器儀表。Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure
通過理論計算和模擬分析，比較了並聯型apf的幾種控制策略的優點和缺點，從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法，並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制；比較了並聯型apf主電路的兩種常見形式，從中選擇了三相電壓型變流器的主電路形式；算出適合該apf的直流側電容和出線電感的參數；設計出能有效消除apf產生的高次諧波的高通濾波器。Two generating methods of compensation current are also proposed for the purpose of eliminating detuning or limiting harmonic voltage contents, in which the compensation current is the weighted superposition of filter harmonic currents or voltages and the regulating factor
針對消除失諧或限制諧波電壓含量的不同控制目標，提出了諧波磁通補償電流的兩種生成方法，補償電流分別是濾波器電流或母線電壓中各次諧波分量與調節系數的加權合成。Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。Because of the importance of the phase modulator in the detection procedure in resonator fiber gyro, this thesis analyses the band side frequency caused by the phase modulation, proposing the methods how to eliminate the band side frequency effect and how to make use of the band side frequency
由於線性相位調制器在諧振式光纖陀螺的檢測過程中起到重要的作用，本文分析了由於相位調制器調制問題引入的邊帶頻率效應，提出了消除邊帶頻率和如何利用邊帶頻率的方法。The adaptive signal processing technology is a rising science embranchment, which composed with many subjects and fields. in this paper, application of the adaptive filter to elimination of the leaked triangular wave and the adaptive signal processing of the fmcw millimeter - wave radar system is studied thoroughly. the use of an adaptive filter offers an attractive solution to the problem as it usually provides a significant improvement in performance over the use of the conventional methods
在系統的自適應信號處理研究中，系統實現採用稱為自調諧濾波器的自適應對消器，結果表明，在自適應過程結束后，利用該方案可以得到和原始攜帶信息的理想干弦波十分近似的正弦波輸出，其誤差是一個具有很小振幅的隨機過程，具有很好的濾波效果。At last, the experiment result proved the effectiveness of the spectrum rebuilding technology. the experiment result show that the wavelength detection accuracy is improved by an order of magnitude using the spectrum rebuilding technology compared with that obtained from direct peak search. some other schemes to enhance the accuracy are illustrated
最後列舉了其它幾種提高測量精度的方案，包括關鍵器件可調諧濾波器的位置變化提高信噪比，調整探測器pinfet的輸出電壓的零點以提高a / d採集卡的利用率，以及採用系統參考消除系統誤差造成的波長漂移。As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics
對于整流電路，由於採用變壓器移相多重化整流，在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消（ m為串聯單元個數） ；對于逆變電路，由於採用移相pwm控制方式，等效開關頻率提高m倍，因此輸出電壓接近正弦波，諧波含量較小。The volume of the output filter can be reduced greatly used in cascade inverter with carrier - phase - shifted spwm technology which has a high equivalent switching frequency and a good output sine wave. it is the base of the high power density of asi
載波移相正弦脈寬調制技術有獨特的消諧波優勢，其等效開關頻率高，輸出波形正弦度好，可以大幅減小濾波器體積，為實現系統的高功率密度奠定基礎。In the car electronics field, kenwood, which has emphasized a consumer business, launched many innovative and sophisticated products such as the world first tuners for satellite digital sound broadcast and terrestrial digital broadcast for consumer use
以消費電子為重點業務的建伍公司在汽車電子領域推出了很多創新的先進產品，如世界第一個消費電子產品用衛星數字音頻廣播和地面數字廣播調諧器。The paper explains the method of the petersen coil parameter selection and expatiates the working principle of micro - computer controller. new methods of on - line measuring of the capacitive current and the control of the series resistance are put forward ? which lead to the integration of the automatic resonance and the faulted line selection in a compensating network
文中說明了消弧線圈參數的選擇方法，闡述了微機控制器的工作原理，提出了在線測量補償電網對地電容電流以及控制串聯電阻的新方法，實現了補償電網自動調諧與單相接地選線的一體化。The fast development of power system has made it more and more imperative to measure transient parameters, such as over voltage test, trial engagement test of switches, reactors and transformers, harmonics elimination test of arc elimination coils and trial operation of high voltage transmission lines
隨著電力系統的飛速發展，對于暫態參數的測量需求越來越迫切，例如：過電壓試驗；開關、電抗器、變壓器投切試驗、消弧線圈消諧試驗、高壓線路的試投等。Studies the shield and anti - jamming techniques and designs the shield shell. designs the transmit microcircuit adapts to the far distance transmission. using the passive high - precision current transformer founds a method to measure dielectric loss based on fft which can eliminate effects of harmonic and current frequency excursion and conducts an experiment
利用所研製的高精度無源單匝穿心式小電流互感器，建立了一種基於fft的介質損耗測量方法，它可以有效地消除諧波和工頻信號波形不工整的影響，並進行了實驗驗證。In order to solve the problem of voltage regulating, the control strategy of select harmonics elimination pulse width modulation ( shepwm ) was introduced. at the same time it was combined with optimum spwm, the range of voltage regulating was expended and the dc utilizable efficiency was improved
為解決變換器調壓問題，對基於選擇諧波消除的shepwm控制方案進行了研究，並將此種控制與開關點預置最優spwm相結合，進一步擴展系統調壓范圍，提高直流電壓利用率。The active power filter, which can compensate simultaneously the harmonics and reactive power of non - linear loads, is good method to eliminate the harmonic pollution in power system
採用有源濾波器就地吸收諧波源所產生的諧波電流，是消除或限制電力系統諧波污染的一種有效的措施。The experimental results show that the proposed filter enables simultaneously to suppress multiple dominant harmonics and effectively eliminate the detuning
實驗系統在不同運行方式下的測試結果表明，這種濾波器能夠同時抑制多次主要諧波分量並有效地消除失諧。分享友人