諧波補償 的英文怎麼說
中文拼音 [xiébōbǔcháng]
諧波補償
英文
harmonic compensation- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 補 : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
- 償 : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
- 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
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Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique
其次,針對acem系統特有的「電源諧波」特性,深入分析了濾波器方案,得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構,並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified
據此,對該站進行了串聯諧振分析和並聯諧振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高,引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容器5次諧波電流含量偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。Research on remote parallel compensation to harmonics of electric power grid
電網諧波異地並聯補償的研究Research on harmonic compensation using synchronous machines
同步電機實現諧波補償的研究Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc
熟悉項目中的高、中、低壓配電系統和功率因素補償研究及諧波分析, ups和直流電氣系統,功率計量,相關計算(包括短路計算和保護裝置協調分析,照明保護計算,發電機功率計算等) 。By regulating the compensation current injecting into the compensation winding of the reactor, the reactor inductance at different harmonic frequencies can be independently and continuously adjusted
有源電抗器由一對耦合繞組和一個補償電流發生器組成,通過控制有源電抗器補償繞組中的諧波磁通補償電流,可以獨立且連續地調節電抗器在不同諧波頻率下的電感量。Analysis and tests show that by using slope compensation, the open - loop instability, sub - harmonic oscillation, non - ideal closed - loop response and noise etc. when duly cycle above 50 %, can be reduced or eliminated
理論分析與試驗表明,通過引入斜坡補償可以抑制或消除占空比超過5 %時的開環不穩定性、次諧波振蕩傾向、不理想的閉環響應、噪聲等。Dynamic reactive power compensation and harmonic control
無功補償及諧波治理方法淺談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。On the basis of theoretical analysis and numerical calculations using matlab language combined with a real instance, it is indicated that the improper electrical parameter coordination caused by the abundance of power cable lines result in fundamental frequency current resonance, in addition, the countermeasures based on svc to solve the problem are put forward
文中結合某變電站異常運行狀態實例,在理論分析和matlab語言數值計算的基礎上,指出由於電纜的大量使用導致了該系統參數配合不當,從而誘發了基波電流諧振,並提出裝設靜態補償器以防範該類諧振。Active power filter ( apf ) is a new power electronic device used to restraining harmonics and compensating reactive power
有源電力濾波器是一種用於抑制諧波、補償無功的新型電力電子裝置。Active power filter ( apf ) is a new power electronics device used to restraining harmonics and compensating reactive power
有源電力濾波器是一種用於抑制諧波、補償無功的新型電力電子裝置。The validity and superiority of all these are proved by use the parallel converter of novel upfc to implement reactive current compensation, zero sequence and negative sequence currents compensation, harmonic currents compensation and the mixed compensation of them. this thesis also studies that use novel upfc to implement two phases operating in high - voltage transmission lines by theory analyze and simulation testify
提出了基於多電平變換器的廣義大功率有害電流補償的概念,提出了適合於它的多環定時滯環控制方案,通過用新型upfc的並聯變換器實現無功補償、零序和負序補償、諧波補償及它們的綜合補償來驗證了其有效性和優越性。Design and application of harmonic compensation of power network in mine
礦井電網諧波補償設計與應用The compensation effects of the series active power filter adopting the two different control strategies, on the voltage type load are investigated by final experiments
最後,通過實驗研究了串聯型有源電力濾波器採用這兩種不同控制策略時對電壓型負載的諧波補償效果。In order to prove the correctness of the approach, some necessary reasoning and a simulate research based on the approach are done in this paper. the effect to compensating harmonic caused by each parameter ' s change is expounded
為了說明方法的正確性,本文除了對其進行了必要的論證還進行了模擬研究,並闡述了各個參數變化對諧波補償效果的影響。At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively
結果表明,對單位容量的諧波源,採用與可變參數lc濾波器混合使用的並聯型有源電力濾波器系統,能夠有效地減少有源濾波器的容量,有效地檢測出高次諧波分量,並進行諧波補償,使系統的電流波形基本保持正弦。Equipment of power quality dynamic compensation control realization can be either digital or analogical. the advantage of digital compensation control ( dcc ) is that it can compensate harmonics to a precision level and is independent of the surrounding environment. but dcc need high - speed real - time chips to deal with digital signal processing, so it has high price
電能質量動態補償裝置的控制是影響電能質量動態補償裝置的性能的重要因數,電能質量動態補償裝置的諧波補償主要有數字補償控制和模擬補償控制兩種,數字補償的優點是可以對電網諧波的補償達到很精確的程度,不容易受到外界運行環境的影響,但是要求運行速度很高的實時數字信號處理器,因此造價較高,模擬補償控制對硬體要求比較嚴格。A new model about measuring harmonics on - line is proposed in this paper. after band pass filtering, sampling storage and the monitoring on - line with artificial neural network ( ann ), we can obtain the harmonics signal, which is used to compensate harmonics. using the basic principle of analog parallel harmonics measurement and a special multi - layer feedforward neural network, a corresponding harmonics measurement on - line is built
在本文中提出了一種新型電網諧波監測系統模型,通過帶通濾波器,采樣存儲器以及神經網路組成的監測系統可以實時監測電網諧波,當電網中的3次、 5次、 7次諧波超過容許值時,給出控制信號啟動以記錄儀記錄諧波,並可以控制諧波補償,最終達到監督電網,抑制諧波、減小諧波的目的。Combined active power filter and reactive power filter make up hybrid active power filter which not only reduce the cost but also have good harmonics compensation effect, so hybrid active power filter reaches a practical purpose. the paper introduces the concept of harmonics 、 its harm to power grid and limitation of harmonics voltage and current harmonics, and it also demonstrates the necessity of eliminate harmonics, and briefly introduces several methods to eliminate harmonics and research of both here and abroad
將有源電力濾波器與無源電力濾波器相結合,構成混合有源濾波器,取兩者之長,補兩者之短,既可以降低諧波補償系統的成本,也可以有良好的諧波補償效果,從而達到混合有源濾波器實用的目的。分享友人