諧波電壓失真 的英文怎麼說

中文拼音 [xiédiànshīzhēn]
諧波電壓失真 英文
harmonic voltage distortion
  • : 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...
  • : 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...
  • : 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...
  • : 壓構詞成分。
  • : Ⅰ形容詞(真實) true; genuine; real Ⅱ副詞1 (的確; 實在) really; truly; indeed 2 (清楚確實) cl...
  • 電壓 : voltage; electric tension; electric voltage
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相、三相流的有效值、功率因數、三相不平衡、短期閃變、以及20次內的相位、總量等的測量。論文重點介紹了以下幾部分: ( 1 )路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  2. In addition, the c1ose - - 1oop cofltro1 part is devised, u1timate1y getting the pure sine wave with high rate of voltage use and 1ow distortion of harmonic wave

    此外,還設計了閉環控制環節,最終得到具有高的利用率和低的純凈的正弦
  3. A simulation shows that this method is of high precision and can eliminate the effect of power voltage distortion

    模擬實驗表明,小變換檢測可以有效地排除的影響,具有較高的檢測精度。
  4. The system had auto startup and stop function by software. the dsp based motor control system had lower current harmonic, more efficient use of supply voltage than spwm, less switch loss. on the other hand, this system make a lower noise for the pwm modulation. frequency is up to 20khz

    本系統實現了機的軟啟動、軟關斷功能,流的較少,利用率比常規的正弦脈沖寬度調制( spwm )有了較大的提高,器件的開關損耗也得到了明顯的減少。
  5. This paper proposes a two - armed push - pull inverter, including its topologies, power distributions in every switching devices and modulation schemes. the major parameters such as thd and df of this vsi are analyzed. comparison study shows that the quality of two - armed push - pull vsi is better than those of square - wave vsi. and the switching loss is lower than that of pwm scheme at same time, especially used in wide frequency range. detailed calculating formulae and experimental results are presented

    該文介紹了一種雙臂推挽式逆變器,包括其路拓撲、每個開關器件的功率分佈和調制策略.分析了這種源逆變器的主要參數,如總度( thd )和指數( df ) .比較研究表明,這種逆變器的質量明顯優于方逆變器,同時開關損耗明顯低於pwm調制方式,特別適用於寬頻范圍.介紹了計算公式和實驗結果
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