諧波電壓 的英文怎麼說

中文拼音 [xiébōdiànyā]
諧波電壓 英文
harmonic voltage
  • 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...
  • 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。
  • 電壓 : voltage; electric tension; electric voltage
  1. An adaptive harmonic current calculation arithmetic for apf using pll - produced reference voltage

    產生參考電壓的自適應諧波電流檢測方法
  2. 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。
  3. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題，通過分析單相接地故障后機端和中性點零序電壓的變化特點，提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案，並實現定子繞組的100 %保護。
  4. Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures

    電力部門通常在實際中，需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量，需要對電力網路各點的諧波電壓、電流實際水平進行測試，然後對測試數據進行人工分析統計，並以此採取相應措施降低或減少諧波對電網的危害。
  5. The harmonic voltage at zero power test of longquan hvdc converter station is calculated

    摘要計算了龍泉政平hvdc工程龍泉站系統試驗期間零功率試驗時的諧波電壓。
  6. In accord with the state standard about harmonic. the harmonic permission value of tangqian line is calculated. some measurement data are shown and analyzed, and some main conclusion is drawed that the 7th harmonic voltages of tangqian line is near to the permission value, total harmonic voltage distortion ratio has oversteped the permission value. the 3th harmonic, the 5th harmonic, the 7th harmonic and the 9th harmonic current from tangqian line all overstep the permission, the largest 5th harmonic current ratio in tangsc reaches 44 %, the 7th harmonic and the 9th harmonic current in tang7c and tangsc is large maybe because the harmonic current is magnified. this paper studies the model of each element in tang yin substation

    根據有關公用電網諧波的國家標準，計算出湯牽線注入湯陰變電站的諧波電流允許值，從實測數據可以得出一些重要結論：湯牽線7次諧波電壓含有率的最大值接近國標中的限值，湯牽線的諧波電壓總畸變率的最大值已超標；湯牽線注入電網的3 、 5 、 7 、 9次諧波電流都超標；湯6c電容器的5次諧波電流含有率較高，最高達到44 ；湯7c和湯8c電容摘要器的7次和9次諧波電流含有率偏高，原因可能是發生了諧波電流放大現象。
  7. 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。
  8. To put into operation a large amount of non - linear load, make in harmony wave of rural power grids serious becoming in pollution, pass to rural local electric wire netting main in harmony analysis of wave source, put forward in order to restrain from insert rural power grids in harmony wave source voltage total in harmony wave distortion rate and the containing rate change last device number pulsating for increase of goal, increase the pulse of the current change device and install light specified value electricity active wave filter mix with passive wave filter near the harmonics source to control the wave in harmony

    摘要大量非線性負荷的投運，使農村電網的諧波污染日趨嚴重，通過對農村地方電網主要諧波源的分析，最終提出了以限制接入農村電網的諧波源的電壓總諧波畸變率和各次諧波電壓含有率為目標的增加換流裝置脈動數，以及在諧波源附近裝設小額定值的電力有源濾波器配以無源濾波器的混合型電力濾波方式，以進行諧波治理。
  9. The converters of the hvdc system yield harmonic voltages and currents because of its non - linearity. when the harmonic currents inject the ac and dc systems connected to the converters, they will do harm to the systems

    高壓直流輸電系統中的換流站由於自身的非線性，換流站將產生諧波電壓和電流注入它連接的交流系統和直流系統。
  10. The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability

    背景諧波電壓不僅與電網中諧波源強弱、網壓變化有關，而且與電網容量、結構有關。
  11. At present, our country power quality national standard was chiefly stipulated five quotas : frequency, harmonic and voltage deviation, three - phase unbalance and the voltage fluctuation and flicker

    目前我國電能質量國家標準主要規定了五個指標：頻率、諧波、電壓偏差、三相不平衡及電壓波動與閃變。
  12. On harmonic voltage generated by different voltage in power network

    淺談電網中各電壓等級下的諧波電壓問題
  13. According to the model, the harmonic voltages at the frequency of 1 oohz at the side of stator are analyzed

    在此基礎上，本文對發電機定子側的二次諧波電壓進行了分析。
  14. An dvr voltage detecting method is brought forward, which is improved from harmonic voltage instantaneous detecting method based on general instantaneous reactive power theory

    本文對基於瞬時無功功率理論的諧波電壓瞬時檢測方法進行了改進，提出了適應dvr的電壓檢測方法。
  15. As an important characteristic parameter in harmonic research, the background harmonic voltage results from high - voltage system harmonic penetration and other harmonic sources in the same level supply system

    摘要背景諧波電壓是諧波研究中的一個重要特徵參數，其一方面來自上級電網諧波電壓的滲透，另一方面來自本級電網其他諧波源的影響。
  16. In this paper, a method to measure background harmonic voltages is proposed on the basis of users harmonic current characteristics, and magnification of background harmonic voltages in small power supply networks is analyzed preliminarily

    本文提出一種根據用戶諧波特徵進行背景諧波電壓測量的方法，並對一些小電網背景諧波電壓放大現象進行初步分析。
  17. In order to get suitable algorithms which are accuracy, feasible, practical and convenient to be realized by virtual instrument, this paper firstly analyzes measuring algorithms of major power quality parameters, such as voltage, current, frequency, harmonics, flicker, unbalance factor etc. then two algorithms, the one for basic power quality parameters measurement based on spectrum correction and the other one for flicker measurement based on fft, are presented

    基於虛擬儀器技術的電能質量測試儀應用靈活，升級方便， 「軟體就是儀器」的特色使測試儀各種通用功能和預期功能的方便實現成為可能。文章對電能質量的一些主要指標:電壓、電流、頻率、諧波、電壓波動和閃變、三相電壓不平衡度等的測量演算法進行了分析，尋求適合虛擬儀器實現的，切實可行、計算精確、實用性強的計算方法。
  18. In this paper, research status of moa resistive leakage current on - line monitoring is introduced, different monitoring methods are analyzed and influencing factors of monitoring are presented, such as influence of power system ' s harmonic voltages, inter - phase interference, sampling methods on resistive leakage current of moa. in addition, some of these problems are studied deeply

    本文介紹了目前moa阻性電流在線監測的研究現狀；詳細分析了各種阻性電流在線監測方法的優缺點；提出影響moa阻性電流監測的因素和問題，如諧波電壓對阻性電流監測的影響，相間干擾對阻性電流監測的影響，全電流的取樣方法對阻性監測的影響，並且針對其中的一些問題作了詳細的研究。
  19. For the need of remote data communication and device control, network communications of rtu is also researched in this paper

    為了適應遠程數據採集和運行控制的需要，還對諧波電壓監測設備的網路應用進行了研究。
  20. Current research shows that interharmonics voltage should be restrained to a low enough level

    研究表明，間諧波電壓必須限制到足夠低的水平。
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