過超電壓 的英文怎麼說
中文拼音 [guòchāodiànyā]
過超電壓
英文
overvoltage-
Do not use ammeter in circuits with more than 32v present
不得在電壓不要超過32v的電路上測試電流。For single - range voltmeters, calibration will be made at cardinal points ( maximum 5 points )
單量程電壓表將就其基點進行校正（最多不超過五點） 。For single - range voltmeters, calibration will be made at cardinal points ( normally not exceeding 5 points )
單量程電壓表將按主要基點進行校正（一般最多不超過五點） 。Effect of acsr on suppressing power frequency overvoltage of ehv transmission system
對限制超高壓輸電系統工頻過電壓的影響Effect of svc on restricting the temporary overvoltage of ehv transmission system
良導體地線限制超高壓輸電系統工頻過電壓的作用The ultrahigh - voltage direct current ( uhvdc ) link comprises two substations and a power transmission system using breakthrough technology to transmit electricity at ultrahigh voltage ( 800 kilovolts ), which will minimize the amount of power lost in transmission
該超高壓直流輸電（ uhvdc ）線包括兩個變電站以及一個採用了突破性超高壓（ 800千伏）電力傳輸技術的電力傳輸系統，這將減少傳輸過程中的電力損失。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。Electric cables - single core unsheathed heat resisting cables forvoltages up to and including 450 750 v, for internal wiring
電纜.內部布線用電壓不超過450 750v含450 750v的單芯非鎧裝耐熱電纜1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %
從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。Dc voltage signal : 0 - 500v direct input ; if the voltage exceed 500v it can adopt voltage dropping device to transform into voltage signal whose full range is 100v to input
直流電壓信號： 0500v直接輸入，超過500v可採用降壓裝置轉換成滿量程為100v的電壓信號輸入Flat contact surfaces for earthing screws ; rated voltage not exceeds 52 kv
接地連接螺栓的扁平接觸表面.額定電壓不超過52kvZero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程，功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析，並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - requirements and tests concerning pressurized corrugated tanks
最高電壓不超過36kv的設備用50hz 50 2500kva三相油浸式配電變壓器.關于加壓波紋罐的要求和試驗方法Cables for signs and luminous - discharge - tube installations operating from a no - load rated output voltage exceeding 1 kv but not exceeding 10 kv
空載運行電壓1k以上但不超過10k的發光管裝置和發光管設備用電纜A mixture of three amino acids ( arg, gly, glu ) labeled with fluorescein isothiocyanate ( fitc ) was separated in pdms microfluidic chip, the separation voltage is 200v / cm, the separation time is less than 120 seconds ; according to ccd fluorescence images, two distinct physical processes - stacking and destacking during sample injection were studied qualitatively ; rhodamine b, a kind of temperature - dependent fluorescence dye, was used as probe to develop a temperature - fluorescence intensity equation, then temperature - color map in microchannels was constructed, and temperature trait in microchannels on the pdms microfluidic chip was analysed. according to the results, we conclude that the electric field applied to the pdms microfluidic chip should not exceed 400v / cm
利用pdms微流控晶元對fitc標記的精氨酸、甘氨酸、谷氨酸混合物進行了電泳分離，分離電壓為200v cm ，分離時間不到120秒；通過拍到的熒光顯微圖像對電泳注樣過程中復雜的樣品分子積聚與解聚現象作定性的分析；以熒光染料rhodamineb為溫度熒光探針，建立了pdms微流控晶元上的溫度-熒光強度的關系公式，並利用matlab圖像處理工具箱構建出微流體溝道內的溫度色圖，對pdms微流控晶元的微流道溫度特性進行了分析，根據實驗結果，我們認為對于pdms微流控晶元來說，在進行需要外加電場作用的試驗時，外加電場不應超過400v cm 。Asynchronized synchronous generator is a new type of generator whose performances are significantly better than those of conventional generator. its appearance shows a new way to resolve the problem of continuous over - voltage on extra - high voltage electric network and the stability of power system with long transmission lines
異步化同步發電機是一種運行特性明顯優于普通同步發電機的新型電機，它的出現為解決超高壓電網持續工頻過電壓和長距離輸電系統的穩定性問題提供了新的途徑。Three - phase oil - immersed distribution transformers 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv. part 4 : determination of the power rating of a transformer loaded with non - sinusoidal currents
最高電壓不超過36 kv的設備用50 hz 50至2500 kva三相油浸配電變壓器.第4部分:加載非正弦電流的變壓器功率額定值的測定Calibration of a multi - range high - voltage voltmeter with not more than 4 ranges
校正一臺不超過四個量程的多量程高壓電壓表。Calibration of a multi - range ac high voltage voltmeter with not more than 2 ranges
校正一個不超過兩個量程的多量程交流高壓電壓表分享友人