無源檢波器 的英文怎麼說
中文拼音 [wúyuánjiǎnbōqì]
無源檢波器
英文
passive seismometer- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 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...
- 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
- 無源 : [無線電] passive無源電路 passive circuit; passive electric circuit; 無源天線 passive antenna; ref...
-
At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。Method to realize demodulation in wireless saw sensor system
無源聲表面波傳感器系統中檢波方案的實現Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 5 : examinations and measurements - wavelength dependence of attenuation
纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 5部分:檢查和測量.波長衰減函數Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependence of attenuation and return loss
纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.波長衰減函數和回波損耗Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages, need not calculate the harmonics and reactive current components, as well as the use of any multipliers
單周控制三相四線制有源電力濾波器不需要檢測三相負載電流和三相電源電壓,不需要檢測諧波和無功電流,也不需要使用任何乘法器。Apf can achieve dynamic compensation for harmonics and reactive current, and the compensation performance is not affected by the impedance of power grid, it has advantages as follows, fast response, high controllability and adaptability, etc. brief illuminations of advantages and disadvantages are performed to various harmful current detecting methods and control techniques
它可實現對諧波和無功的動態補償,其補償特性不受系統阻抗的影響,具有響應快、可控性高、自適應性強等優點。本文對有源電力濾波器的各種諧波電流檢測法及控制方法進行了簡要的優缺點說明。Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper
有源電力濾波器可實現對諧波和無功的動態補償,其補償特性不受系統阻抗的影響,具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。With the development of electric - electronic technology, microelectronic technique and modern control theory, and with studying harmonic suppression and reactive power compensation using it, the active power filter has improved greatly. the methods and the circuit of detecting current have already improved greatly
隨著電力電子技術、微電子技術和現代控制理論的發展,及其在諧波抑制和無功功率補償研究中的應用,有源電力濾波器得到了飛速的發展,同時其電流檢測方法以及檢測電路也取得了長足的進步。In chapter four, the project techniques of harmonic filter and reactive power compensation for guixi smelter were firstly discussed ; based on the harmonic condition of guixi smelter, the key techniques of a new hybrid active power filter with high capacity for harmonic filter and reactive power compensation were proposed ; then the designs of main configuration, output filter, harmonic detection and analysis subsystem, and the controller based on dsp have been discussed. application results of the hybrid active power filter have confirmed the feasibility of the integrated compensation system
第四章討論了貴冶電網諧波治理和無功補償的工程實現技術,介紹了貴冶電網諧波的現狀,分析了貴冶電網諧波超過國標的情況,提出了一種新型大功率混合型有源電力濾波器的應用方案,討論了系統主電路設計,輸出濾波器的設計,諧波檢測和分析子系統的設計,基於dsp數字晶元的控制器設計等關鍵技術,並給出了混合型有源電力濾波器投運后,改善電網諧波的情況,表明了論文中所給出的設計方案和工程實現技術獲得良好的工程應用效果。According to the characters of the power harmonic, a kind of self - adaptive harmonic detection method based on in - phase correlation filtering is presented, which is clear and concise in thinking. by this method the low - pass filter can be designed easily, and by using the multiresolution and self - adaptive technique the difficulties of harmonic detection with low variable fundamental frequency and no voltage reference are worked out, which contributes much to the implementation of harmonic suppression
該方法思路清晰、簡潔,並能方便有源濾波器( apf )中低通濾波器設計,同時採用多解析度和自適應濾波方法,解決了基波頻率低且變化、無明顯電壓基準可尋的復雜供電系統諧波檢測的難題,為諧波抑制的實施奠定了基礎。分享友人