無電流的 的英文怎麼說
中文拼音 [wúdiànliúde]
無電流的
英文
currentless- 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...
- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
-
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。Can technology traits are analyzed, and can technology is applied on the power factor dynamic compensation system. on the basis of analyzing thoroughly the theories and techniques, software module of power factor dynamic compensation system are classed and their time - period is analyzed. the techniques of real time sampling idle current and generating compensation current are simulated with software
在分析電網的頻率特性和功率因素動態補償系統的性能特點基礎上,對功率因素動態補償系統的軟體功能模塊進行了層次劃分和時序特點分析;對無功電流實時檢測、無功補償電流的產生等技術實現了軟體的模擬。In general, there is a measurable difference in potential between the two electrodes whether the cell is passing a current or not.
通常,無論電池有無電流流過,兩電極之間均具有可測量的電勢差。Current control by a pw modulated switching rectifier instead of a current sensor
無電流傳感器的電流控制調寬式開關整流器In general, there is no distinction between "static electricity" and "current electricity".
一般說來,「靜電」和「電流的電」是無差別的。In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current
本文首先比較了幾種變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機轉速變化,而在電機轉子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。It not only solves the problem of optimized control of the reactive current exchanging among branches, in other words, realizes the auto - tracking to the reactance factor, but also greatly improved the reliability of the system. to design the high voltage line wireless signal acquisition device with self - feed source, we applied electromagnet induction principle and digital communication technique
系統在優化控制技術中採用了電容器補償控制的兩段控制模型,不僅解決了分支線路之問穿越無功電流的最優控制問題,實現了功率因數的自動跟蹤,而且使整個系統的可靠性大大提高。By studying traditional instantaneous power theory in single - phase circuit, we developed a real - time detecting method in this paper based on digital technology, which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits
本文通過對于單相電路瞬時功率理論的分析研究,提出了一種基於數字技術的單相和三相電路諧波和無功電流的實時檢測方法。Now the affect and the measure of hypo _ harmonics is in the research. the influence of negative sequence is almost eliminated along with the enlargement of the system ' s capacity and the alternate connection of traction substations. the fixed parallel compensate equipment applied in traction substations consist of a constant capacitor and a constant inductance, so its output is constant
負序電流的問題已經因系統容量的增大、牽引變電所採用輪換接線方式而基本解決,電力部門實行的「反轉正計」 ,使採用對無功功率固定補償方式由於牽引負荷變化頻繁而出現補償容量不足或過補償現象,難以達到滿意效果。From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed
從輸電損耗最小的角度出發,提出了任意相無中性線或有中性線系統的瞬時無功功率理論,在新的理論下,每個量都有清晰的物理意義,且能分解出零序電流的有功分量和無功分量,並給出了通用的零序電流補償方法,揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別,從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power
本文深入分析了半導體激光電源的工作原理,根據準連續工作方式下的特殊要求,論證了電源的主要環節的可行性方案,設計了相應的硬體電路與軟體程序, (實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced
由於箝位電容的加入,相對于其他類型的反激式變換器電路,該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管,實現了開關管的有源箝位,抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率,減小了輸入及輸出濾波器體積。It is composed of magnetic pulse sensor and control components, and is a built - in part inside distributor. it detects engine cranking position signal and cylinder signal via sensor, followed by treatment by control unit, thus controlling the on off of the current of control ignition coil to achieve the purpose of ignition. it has a function of auto closing regulation
該型產品是為微車無觸點點火系統而研發的,它由磁脈沖傳感器和控制組件構成,內置於分電器內,通過傳感器檢測發動機曲軸位置信號汽缸信號,然後經控制組件處理,控制點火線圈中電流的通斷,從而達到點火目的,具有閉合角自動調整等功能。It is composed of magnetic pulse sensor and control components, and is a built - in part inside distributor. it detects engine cranking position signal and cylinder signal via sensor, followed by treatment by control unit, thus controlling the onoff of the current of control ignition coil to achieve the purpose of ignition. it has a function of auto closing regulation
該型產品是為微車無觸點點火系統而研發的,它由磁脈沖傳感器和控制組件構成,內置於分電器內,通過傳感器檢測發動機曲軸位置信號、汽缸信號,然後經控制組件處理,控制點火線圈中電流的通斷,從而達到點火目的,具有閉合角自動調整等功能。This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system
本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法,從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器,並聯合兩種傳感器形成了電壓、電流的同步測量系統,實現了諧波分析、鑒相及有功、無功功率的計算,可對電能質量進行監控。After 50 nmol / l hntx - iv treatment for 5 min, the peptide didn " t effect the active and inactive time course of sodium currents and the steady - state activation of sodium channels, but it caused a 10. 1 mv hyperpolarizing shift in the voltage midpoint of steady - state sodium channel inactivation on drg neurons
細胞5分鐘后, ttx一s鈉電流的激活與失活相以及通道穩態激活特徵均無明顯改變,但ttx一s鈉通道能引起鈉通道的半穩態失活電壓有約10 . lmv的超極化漂移。 100二。Similar to hntx - iv, 100 nmol / l hntx - v did n ' t effect the active and inactive kinetics of currents and did n ' t have the effect on the active threshold of sodium channels and the voltage of peak inward currents. however, 100 nmol / l hntx - v caused a 7. 7 mv hyperpolarizing shift in the voltage midpoint of steady - state sodium channel inactivation
1 / liintx一v也不影響ttx一s鈉電流的激活相和失活相,對鈉通道的激活閩值和最大激活電壓也無明顯改變,但能引起鈉通道的半穩態失活電壓有7So the vsr can operate in any power factor. internal model control ( imc ) design concept has been introduced to the unbalanced control system of vsr. with imc design concept, the unbalanced control system not only achieve zero steady state error of sinusoidal ac current, but also obtains strong robustness of the control system
由於在abc和靜止坐標系中,採用比例和比例積分調節器無法實現對時變正弦波信號的無差跟蹤控制,而在dq坐標系中需要用正、反兩套旋轉坐標系構成四個電流內環才能實現對正、負序dq電流的無差跟蹤。For this reason, we redefined the instantaneous reactive power so as to make it easier for detecting harmonic current and fundamental reactive current
為此,重新定義了系統瞬時無功功率,使其更易於諧波和無功電流的實時檢測。The detecting method of dvr is different from harmonic and reactive current detecting methods. it need detect not only total harmonic distortion but also the difference between fundamental wave component and reference value
Dvr的檢測方法與諧波、無功電流的檢測不同,不但需要檢測出除基波分量之外的總畸變分量,還要檢測出基波分量與基波基準值之差。分享友人