compensating voltage 中文意思是什麼
-
Being added an anti - phase compensating winding, this device, which is placed between high voltage line and first insulator, makes the synthesized magnetic field in magnetic core reach a dynamic balance, and thus solves the problems from remanence and assures the measurement accuracy
其漏電流傳感器增加一個反相的補償線圈，使得電流傳感器磁芯內的合成磁場達到動態平衡，解決了由於剩磁而帶來的問題，保證了測量精度。 -
This paper introduces a power controlling system for electrosurgical generator based on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates
介紹了基於可控硅整流電路的高頻電刀控制系統，並針對該類型電刀的輸出功率隨電網電壓波動而發生漂移的問題，採用了一種功率補償的方法，實現輸出功率在不同的電網電壓的波動下保持恆定。 -
This paper introduces a power controlling system for electrosurgical generator baaed on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates
摘要介紹了基於可控硅整流電路的高頻電刀控制系統，並針對該類型電刀的輸出功率隨電網電壓波動而發生漂移的問題，採用了一種功率補償的方法，實現輸出功率在不同的電網電壓的波動下保持恆定。 -
Dvr based on the line voltage compensating ( lvc ) is proposed in the present paper, which is suitable to the medium voltage distributing network
論文提出了適合中壓配電網使用的線電壓補償型動態電壓恢復器（ dvr ） 。 -
For the algorithm of reactive power optimization, presented in this paper, in order to found the linear programming model equations, the objective function is minimum total power losses, the controlled variables include the compensating capacity of reactive power, generator bus voltages and transformer tap positions, the state variables include reactive power of the generators, and the voltage amplitudes in the ends of transformers
本文研究的電力系統無功優化演算法是以整個網路的損耗最小為目標函數，以無功補償設備出力、發電機端電壓和可調變壓器變比為控制變量，以發電機的無功出力和變壓器端電壓幅值為狀態變量建立了線性規劃模型方程。 -
On the condinary, much reactive capacity loaded would be bad, and net ' s voltage would be higher and its security would be influenced. with the needs of reducing line loss, to study the method of compensating reactive capacity has been an important task in power department
同理，如果就地投入補償過大，多餘的無功就要通過輸配電線路向其他設備或區域輸送，也會造成無功和有功損耗，使得用戶的電壓偏高，影響到電力網的安全經濟運行。 -
Abstract : the underground load characters in yinshan mine were analyzed. based on the technical features of various kinds of reactive compensation devices, it was proposed that low voltage capacitance dynamic compensation mode shall be adopted for compensating reactive power and lowering voltage fluctuation
文摘:對銀山鉛鋅礦井下負荷性質進行了分析，根據各種無功補償裝置的技術特點，提出採用低壓電容動態補償方式對該礦井下無功進行補償和降低電壓波動。 -
Temperature compensating method for fiber optic voltage sensor
光纖電壓傳感器的溫度補償方法 -
According to zero sequence voltage distribution from system zero sequence impedance to shunt reactor zero sequence in zero sequence circuit, the zero sequence voltage at the terminal of shunt reactor and the zero sequence compensating voltage at neutral are compared in the scheme
即根據零序網路中零序電壓在系統零序阻抗和電抗器零序阻抗上的分佈情況，通過直接比較電抗器首端零序電壓與補償到電抗器末端中性點的零序補償電壓的幅值大小，來判別電抗器匝間故障。 -
A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong
提出了一種零壓啟動的他激轉自激方法；通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的恆值控制；設計了適用於並聯諧振型逆變器的igbt驅動與保護電路，解決了驅動信號的時間補償以及重疊角的可調問題；提出了一種新穎、實用的逆變器過壓保護方法，有效地解決了並聯型諧振逆變器過壓保護這一難題。 -
Low voltage reactive power automatic compensating controller
低壓無功功率自動補償控制器 -
The practicality calculation of compensating capacity for extra - high voltage and long - distance transmission line
超高壓遠距離輸電線無功補償容量的實用計算 -
The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch
因此提高了學習性能，具有較好的預測精度。然後，建立變電站電壓無功控制的數學模型，考慮電壓的調壓要求和無功功率平衡，計及變壓器變比和並聯補償電容的上下限約束，變壓器分接頭和電容器允許的日調節次數的限制，以電壓偏差的平方和最小為目標函數。 -
Based on the tsc reactive compensation equipment, a new low - voltage intelligent controller is designed, which can slove switched - capacitor without instantaneous rush current by means of zero - crossing triggering of scr components, and can realize auto - tracking reactive power, compensating and auto - switching scb. msp430f149 mcu is used as its core controller. it is shown that the algorithm in hand has the vantage of decreasing power loss and lowers of voltage and increasing the distribution system efficiency, for example power factor
該控制器以msp430f149為控制核心，暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現了無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態可靠運行的難題。 -
Abstract : a bandgap voltage reference is presented with a piecewise - linear compensating circuit in order to reduce the temperature coefficient. the basic principle is to divide the whole operating temperature range into some sub - ranges. at different temperature sub - ranges the bandgap reference can be compensated by different linear functions. since the temperature sub - range is much narrower than the whole range, the compensation error can be reduced significantly. theoretically, the precision can be improved unlimitedly if the sub - ranges are narrow enough. in the given example, with only three temperature sub - ranges, the temperature coefficient of a conventional bandgap reference drops from 1. 5 10 - 5 / to 2 10 - 6 / over the - 40 to 120 temperature range
文摘:提出了一種採用分段線性補償的方法來實現高精度帶隙基準，其基本原理是將整個溫度區間分為若干個子區間，在不同子區間上採用不同線性補償函數達到最佳補償.由於溫度區間縮小，補償誤差也隨之減小，從而在整個工作溫度間上的補償誤差也縮小.理論上，只要溫度子區間取得足夠小，就可以達到任意精度.示例中將- 40 120的溫度區間僅分為三個子區間，平均溫度系數就從1 . 5 10 - 5 /減小到2 10 - 6 / -
The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome
針對系統的性能指標，做了如下改進：對直流側電壓的檢測，在線調整逆變器導通脈寬、輸出電壓和頻率，可以適應不同大小的恆負載；並用非零電壓矢量作用時間進行補償的方法，減小電機的低速脈動；加入了諧波抑制技術等。 -
Abstract : the basic operational principle of the series active power filter, when compensating the voltage type load, is analyzed through its system configuration
文摘:通過所給出的串聯型有源電力濾波器系統結構，分析了其補償電壓型負載的工作原理。
分享友人