無載電流 的英文怎麼說

中文拼音 [wúzǎidiànliú]
無載電流 英文
no load current
  • 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...
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. In order to eliminate the influence of the output filter capacitor current on the grid current, a novel control strategy for the grid - connected inverter in grid - tied and off - grid modes is proposed. the control strategy can also realize seamless transfer between grid - tied and off - gird modes. the grid - connected inverter can supply power to the critical load when the grid is off

    本文針對傳統並網控制策略進網電流受輸出濾波電容電流影響的問題，提出了一種新的並網控制策略，該控制策略能基本消除輸出濾波電容對進網電流的影響，實現獨立與並網兩模式之間的無縫切換，對關鍵負載起不間斷供電的作用。
  2. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  3. Ananasis on the short - eircuit current of the infinitely great electric power system

    無限大容量電力系統負載短路電流簡析
  4. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  5. Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor

    本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流，總結出了如下規則：隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下，綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施；在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施，再輔助以選擇合適的主變有載調壓分接頭來調節，達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小，從而也提高了電網安全運行水平及供電質量。
  6. The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network

    無源支路在補償無功功率的同時還可以濾除因非線性負載產生的特徵諧波電流，為了抑制無源支路跟電網等效電感產生的諧振現象以及改善無源濾波器的濾波性能，系統中採用諧振注入式有源濾波拓撲。
  7. Electronic soft starter is a kind of novel motor control device which can implement the soft - start, soft - stop and energy - saving of the asynchronous motor. compare in the traditional motor starter, it has outstanding advantages such as stepless regulation of the motor start, avoid the inrush of the torque and the current, and reliable protections, convenient operation and starting repetitively. so the paper aim at electronic soft starter, asynchronous soft starter of electrical machinery electron as research object, study it ' s high - performance soft starting technology - torque control soft - start, develop its realization circuit

    異步電動機電子軟起動器是一種集電機軟起動、軟停機、輕載節能和多種保護功能於一體的新穎電機控制裝置，相比于傳統的起動器，它突出的優點體現在能夠連續無級的調節電機起動、沖擊轉矩和沖擊電流小、控制簡便、起動重復性好以及體積小等方面，本文以異步電機電子軟起動器為研究對象，研究高性能的電機軟起動技術- - -轉矩起動方式，並研製其實現電路。
  8. When running in closed - loop system, the motor will be affect inevitably by load disturbance ? and disturbance due to variety of motor parameter, then the dynamic performance of closed - loop is affected

    無刷直流電機閉環運行時，不可避免地要受到外部負載擾動和由於電機本身參數變化而產生的干擾。因此，電機閉環控制系統的動態性能就會受到影響。
  9. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  10. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關，它是一種完全由固態繼電器作為分接開關執行機構，由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構，由單片機根據變壓器二次側電壓的高低，決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快，改變分接頭時不需過渡電阻，沖擊電流小，可頻繁操作；無電弧產生，可以直接放在變壓器油箱中；結構簡單，造價低，便於在配電變壓器中推廣使用。
  11. The thin pulses of radio carrier wave cause currents to flow through the nervous system - the result is a remote transmission ; no wires or contact is needed

    這個細微的脈沖載波導致電流流到神經系統-結果是一個遠程的傳播，無線或聯系是需要的。
  12. 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。
  13. The researcher could use the ansys software to design and analyze the motors who did n ' t know the ansys software very well by the special purpose software packets. the influence of a centralization winding brushless dc motor structural design parameter and magnetic field were analyzed, and a way to achieve the fix position angular force was brought out

    利用上述軟體研討無刷直流電機的定位轉矩的求取方法；分析集中式繞組的無刷直流電機各結構設計參數對磁場的影響，嘗試求取、分析空載漏磁系數，討論如何削弱定位轉矩。
  14. Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and

    該系列產品為三相交流50hz的戶外高壓電器設備，額定電壓等級有33kv 40 . 5kv 72 . 5kv和126kv ，供高壓線路在無負載情況下進行開合，以及對被檢修高壓母線斷路器等電氣設備與帶電的高壓線路進行電氣隔離之用，也可用於開合小的電容或電感電流，並可按用戶要求加裝接地開關。
  15. Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and part rusting

    該系列產品為三相交流50hz的戶外高壓電器設備，額定電壓等級有33kv 40 . 5kv 72 . 5kv和126kv ，供高壓線路在無負載情況下進行開合，以及對被檢修高壓母線斷路器等電氣設備與帶電的高壓線路進行電氣隔離之用，也可用於開合小的電容或電感電流，並可按用戶要求加裝接地開關。
  16. After the analysis of power produce character of the typical three - phases unbalance load, the corresponding circuit is adopted. this main circuit is composed of the power filter series and tcr control circuit. secondly the theory of band - pass filter is analyzed in detail, and then a method of implementing butterworth band - pass filter is put forward

    簡要分析了無功補償的基本原理和工作特點，通過對典型的三相不平衡負載工作特點的分析，主電路採用電力濾波器與晶閘管控制電抗器相接合的結構；對用於無功檢測的帶通濾波器進行了分析，設計了用於負載電壓、電流信號濾波的帶通濾波器，並採用運算放大器加以實現。
  17. This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation ; the influence of snubber circuit, dead time effects, and modulation frequency to igbt pwm inverterbridge is taken into account, too

    本文對雙極性調制的無刷直流電動機模擬，分析了轉速和調制頻率對轉矩影響；並綜合考慮緩沖電路、控制死區及載波頻率對pwm逆變電路中igbt開關損耗的影響。
  18. Moisture proof and no contact output, load current 1a max

    具防潮功能並且採用無接點方式，限時控制負載電流最大1a
  19. Different type active power filters can compensate dynamic harmonic of dynamic load electrical current and the volt

    不同類型的有源電網濾波器能對變化的負載電流進行動態諧波和無功補償以及電壓補償。
  20. A deadbeat control algorithm based on resistive load as well as its realization scheme and experiment results are given. to overcome its shortcomings, a disturbance prediction based deadbeat control algorithm is presented

    在介紹阻性負載無差拍控制原理、具體實現方法和實驗結果的基礎上，引入了負載電流預測的方法。
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