voltage recovery 中文意思是什麼
voltage recovery
解釋
電壓恢復-
The functions of this automation system focus on five aspects : data acquisition 、 supervision and control 、 fault isolate and recovery 、 gis 、 data statistic and report. the design project takes the rcs - 9000 series 、 sd ? 9520 and sd - 9630, which is a new installation that can detect the operation state of the low - voltage current breaker, and send the state to the control room. the other new installation is sd - 9860, which is the monitor of the cable fault
設計方案中，在採用南瑞rcs - 9000系列、雙電公司sd - 9520裝置的同時，採用了新開發的sd - 9630塑殼開關運行狀態採集裝置，檢測塑殼開關的運行狀態，並將運行狀態傳回到集控中心（中間站） ；採用了新開發的sd - 9860電纜故障指示器，完成電纜故障的識別；集控中心的設計實現了整個小區配電自動化系統的集中通訊、實時監控、統計與管理功能；高、低壓開關實現了自動控制、狀態檢測和無功補償等。 -
A series of multi - pulse experiments are performed at breakdown voltage up to 400kv, peak current up to 30ka with an interval of 5ms, which shows spark gap switch could be obtained good insulation recovery in several milliseconds under the condition of water dielectric pulse power modulator with low load
在擊穿電壓400kv ，峰值電流30ka ，脈寬40ns的工作參數下，採用吹氣的辦法（氣流速度30m / s ） ，使氣體火花開關多脈沖運行間隔達到5ms ，實驗結果與理論估計相符。 -
In order to eliminate the voltage oscillation caused by the reverse recovery of the rectifier diodes, a resonant inductance and two clamping diodes can be introduced to the primary side
為了消除輸出整流管的電壓尖峰，可以在原邊加入一個諧振電感和兩個箝位二極體。 -
Application guide for transient recovery voltage for ac high - voltage circuit breakers
交流高壓斷路器瞬時恢復電壓的應用指南 -
Because the concentration of zirconium in uranium has large ranges, from 1. 50xlo ' 6 - 3. 8g / gu, not only how to decrease the remainder of uranium to eliminate its determinate effect but also how to acquire higher recovery of zirconium is considered, so the method of silica gel, the method of tbp levextrel resin chromatography, the method of tta chromatography and the method of tta extraction are compared. then tta extraction is chosen to acquire the ideal separation purpose. compared with icp - ms and icp - aes, xrf has characters of high repeatability, stability, low cost, high concentration elements analysis, the ability to determinate solid sample and having comprehensive practicability, but xrf has lower sensitivity, so how to increase the concentration of the sample to acquire better precision is a difficult problem, the optimum of operating condition : the integral time of spectral lines is 60s, the integral time of background lines is 20s, the voltage of xrf is 50kv, the electric current is 50ma
由於鈾中鋯的含量范圍很廣，從1 . 50 10 ~ （ - 6 ） 3 . 8g / gu ，在分離和測量時，既要考慮盡量地減少鈾的殘留量以消除鈾對鋯測量產生的影響，又要獲得鋯的理想的回收率，因此本文在分離方法的選擇上比較了硅膠吸附分離法， cl - tbp萃取色層法， tta萃取色層法和tta萃取分離法的優缺點，認為tta萃取分離法可以達到理想的分離效果。 -
The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level
本論文作者通過模擬測試，驗證了課題研究的理論設想，並設計製作了具有低陽極發射效率結構的高壓功率frd ，利用局域鉑摻雜和電子輻照相結合的壽命控制方式，實現器件反向恢復時間的極大減小，並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想，且具有極佳的漏電溫度特性，達到器件綜合性能的優良折衷，達到國際先進水平。 -
Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out
在理論分析的基礎上，考慮實驗室現有設備的情況依據標準jb5871的規定，選用合適的試驗設備，對試驗線路的參數進行計算，在實驗室建立了252kv及以下電壓等級斷路器開合線路充電電流直接試驗線路，利用該線路進行了數臺產品的試驗，分析了試驗結果，並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷路器》 （報批稿）關于開合線路充電電流試驗的有關規定。 -
Under a unified model of carrier transport over trap state established potential barrier at drain side, device degradation behavior such as asymmetric on - current recovery and threshold voltage degradation can be understood
我們通過載流子在漏極附加陷阱態勢壘的輸運模型，解釋了器件在應力后出現的閾值電壓的退化現象和非對稱性開態電流恢復現象。 -
Influence of dc system control modes on voltage and power recovery after large disturbance in hybrid ac dc systems
直流系統控制方式對大擾動后交直流混合系統電壓和功率恢復的影響 -
The paper establishes a mathematic model that describes the relationship between the arc voltage, the recovery voltage and the arc shield voltage. lt makes a detailed theoretic analysis of the plasma changing laws between contacts and the arc shield gap arc in the arcing process and after - arcing recovery process. the model has achieved the same results as the experiment results
建立了描述真空滅弧室的電弧電壓、恢復電壓與屏蔽罩電壓之間關系的數學模型，從理論上詳細分系了燃弧過程和弧后恢復過程中，真空滅弧室觸頭間隙和觸頭與屏蔽罩間隙電弧等離子體的變化規律，取得了與試驗結果一致的結論。 -
This paper designs a device of testing the arc shield voltage in the vacuum interrupter, and makes a study of the arcing and after - arcing recovery characteristics of the arc shield by measuring the arc current, the arc voltage, the recovery voltage and the arc shield voltage
本文設計了真空滅弧室屏蔽罩電壓測量裝置，並對真空滅弧室在燃弧和弧后介質強度恢復過程兩個階段的電弧電流、電弧電壓、恢復電壓和屏蔽罩電壓進行了全面、系統的波形測試，研究了真空滅弧室蒸汽屏蔽罩在燃弧和弧后介質強度恢復過程的特性。 -
In this dissertation, firstly, characteristics of no - load overhead line and processes of switching no - load overhead line by circuit - breakers are analyzed, then, transient recovery voltage across circuit - breaker are calculated emphatically and the factors of affecting transient recovery voltage are analyzed
這就要求斷路器具有良好的開合空載架空線路的能力。實驗室進行開合線路充電電流試驗是考核斷路器開合空載架空線路性能的重要手段，通過試驗可以優化斷路器的設計、提高斷路器開合空載架空線路性能。 -
By analyzing the charging & discharging characteristics of accumulators, and by improving the hardware and control algorithm of the former chargers, this dissertation designes a high - power charger. the charger can not only charge accumulators with constant voltage and limited current, but also charge them intelligently. meanwhile, it is characteristic of over - voltage, over - current and overheat protection, self - recovery and automatic current - averaged in parallel
本論文通過對蓄電池的充、放電特性的分析以及對以往充電機硬體和控制演算法兩個方面的改善，設計了一種不僅能對蓄電池進行恆壓限流充電，還可以進行智能充電，同時具有過壓、過流、過熱保護、自恢復功能和並聯自動均流的大功率充電機。 -
High - voltage electric burns is refractory with high rate of amputation ( 46 % ) in early stage and unfavorable functional recovery in later stage
高壓電燒傷的治療較困難，後期功能恢復差，目前治療無突破性進展。 -
A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method
該協調恢復策略的三個特點是：在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路；在交流故障被切除后的一個短暫時間內，逆變側採用定交流電壓控制：對不同的直流輸電子系統採取一種漸進的恢復策略。 -
A current - doubler - rectifier ( cdr ) zvs pwm h - fb tl converter is proposed in this paper, the proposed converter can achieve zvs for all the switches in a wide load range with the use of the energy stored in the output filter inductance, in the meanwhile, the voltage oscillation and voltage spike across the rectifier diodes resulted by the reverse recovery are eliminated
為了消除輸出整流二極體反向恢復造成的的電壓尖峰和振蕩，同時使所有開關管在很寬的負載范圍內實現zvs ，本文提出了倍流整流方式的zvspwmh - fbtl變換器。 -
Saturable inductance is introduced to eliminate the voltage swing and overshooting on the output rectifier diodes, then discusses its parameter design in detail ; find out the mechanism of the body diode ' s reverse recovery effect of the chopping switches, give out several relevant solutions and verified by experiments
為了消除輸出整流二極體上的電壓尖峰和振蕩，同時為了使滯后橋臂的開關管能夠在寬負載范圍內實現軟開關，給輸出整流二極體串入了飽和電感，給出飽和電感的設計方法。 -
A theoretical basis has been provided for improving the dielectric recovery characteristics of high voltage circuit breaker. optimization of the nozzle based on the computation of inverse problem of electric field / gas flow field
本文在對不同噴口結構斷路器短路開斷下介質恢復特性計算的基礎上，首次進行了基於電場/氣流場的高壓s氏斷路器噴口結構優化設計。 -
For the pin diode, its major transient behaviors are forward voltage recovery and reverse current recovery. this dissertation describes these performances by lumped - charge approach, and then developed an improved lumped - charge model for pin diode and a corresponding parameter extraction approach, which can reduce parameter measurement and enhance parameter accuracy
Pin二極體中主要的瞬態現象是正向電壓恢復和反向電流恢復，本文採用集總電荷的方法描述了它的動、靜態特性，提出了改進的集總電荷的pin二極體高頻模型，同時提出了改進的曲線擬合模型參數抽取方法，減少了所需的參數測量實驗並提高了參數抽取的精度。 -
Supplement to guide for synthetic fault testing of ac high - voltage circuit breakers rated on a symmetrical current basis - 8. 3. 2 : recovery voltage for terminal faults - asymmetrical short - circuit current
額定在均衡電流基礎上的交流高壓斷路器模擬故障試驗指南補充. 8 . 3 . 2 :終端故障恢復電壓.不平衡短路電流
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