control capacitance 中文意思是什麼

control capacitance 解釋
控制電容
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • capacitance : n. 【電學】電容;電容器。
  1. According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred

    依據可控硅控制消弧線圈接地系統的快速可控性,一改傳統的電網正常運行時調節消弧線圈接近於全補償的預調諧方法,提出正常運行時採用脫諧方法抑制串聯諧振過電壓;故障時立即調節消弧線圈電感量達到與對地電容諧振,以利熄弧的新型調節原理和方法。
  2. Non negligible cable capacitance in ac control circuit

    交流控制迴路中不容忽視的電纜電容
  3. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  4. Firstly, the whole scheme of the transducer is designed, the transducer includes capacitance / voltage converting, ripple - control capacitor switching, magnify - multiple switching, a / d converting, singlechip, photoelectric isolation and rs - 485 serial communication, etc. the measurement of microcapacitor is the key technology of transducer

    首先對變送器部分進行了整體的方案設計,變送器由電容/電壓轉換、紋波控制電容切換、放大倍數切換、 a / d轉換、單片機、光電隔離和rs485串口通訊等幾部分組成。
  5. Monitor - capacitance control

    電容量控制
  6. Some important parts for these two vsc - hvdc control systems are designed in detail, especially the structures and parameters of the vsc controllers, as well as the principles for selecting the equivalent inductance of the convertor transformer and the capacitance of the capacitor on the dc side of the vsc. digital simulation using netomac is done to verify the validity of those proposed control strategies. ( 2 ) the operation performance of the vsc - hvdc under some characteristic faulted conditions without any protection measures are studied, and the over - current and over - voltage of the vsc - hvdc during those faults is revealed

    ( 2 )對vsc - hvdc在沒有保護控制的情況下其交流側、直流側和vsc內部等部位發生常見較嚴重故障時的運行特性進行了模擬研究,總結出這些較嚴重故障可能對vsc - hvdc造成的危害,並針對這些危害提出了幾種切實有效的保護策略,模擬結果證實了應用這些保護策略可確保vsc - hvdc中的一些重要部件能夠在大多數類型的故障時免遭過電壓或過電流的損害。
  7. An algorithm to resolve the coupling effect problem is proposed during the cross point assignment ( cpa ) stage. in the algorithm, the priority queue concept and the rip - up and reroute strategy are combined to control crosstalk noise caused by interconnect coupling capacitance. first, the nets are arranged into different priority queues according to their weighted sum of their length and criticality. then, the cpa problem for one queue of nets is translated into a linear assignment problem. after the assignment of one queue of nets, a post - cpa checking routine is performed to check and rip up the net pairs which violate the crosstalk noise constraint and then push them into the next queue to be reassigned. the algorithm is tested by a set of bench mark examples, and the experimental results are promising

    提出了一種在過點分配階段解決噪聲耦合效應問題的演算法.該演算法採用優先隊列同拆線重布策略相結合的方法,控制由互連線耦合電容引起的串擾噪聲.演算法中,首先按照線長和約束限制,將線網劃分到若干個優先隊列中.然後,將每個優先隊列的過點分配問題轉換為線性分配問題.在完成一個線網隊列的分配后,通過過點分配后處理過程檢查串擾約束滿足情況,對違反約束的線網對進行拆除,放入后續線網隊列進行重新分配.實驗數據表明,該演算法能夠取得好的效果
  8. Abstract : an algorithm to resolve the coupling effect problem is proposed during the cross point assignment ( cpa ) stage. in the algorithm, the priority queue concept and the rip - up and reroute strategy are combined to control crosstalk noise caused by interconnect coupling capacitance. first, the nets are arranged into different priority queues according to their weighted sum of their length and criticality. then, the cpa problem for one queue of nets is translated into a linear assignment problem. after the assignment of one queue of nets, a post - cpa checking routine is performed to check and rip up the net pairs which violate the crosstalk noise constraint and then push them into the next queue to be reassigned. the algorithm is tested by a set of bench mark examples, and the experimental results are promising

    文摘:提出了一種在過點分配階段解決噪聲耦合效應問題的演算法.該演算法採用優先隊列同拆線重布策略相結合的方法,控制由互連線耦合電容引起的串擾噪聲.演算法中,首先按照線長和約束限制,將線網劃分到若干個優先隊列中.然後,將每個優先隊列的過點分配問題轉換為線性分配問題.在完成一個線網隊列的分配后,通過過點分配后處理過程檢查串擾約束滿足情況,對違反約束的線網對進行拆除,放入后續線網隊列進行重新分配.實驗數據表明,該演算法能夠取得好的效果
  9. By means of resistance and capacitance coupled negative feedback method to control the plasma discharge development process and prevent the transition from glow discharge to spark discharge in a pin - to - plate static air plasma generator, a stable alternative current atmospheric glow discharge is produced successfully

    在靜態大氣壓空氣針板等離子體發生器中,採用阻容耦合負反饋方法控制等離子體放電發展過程,成功地抑制了輝光放電向火花放電的過渡,產生了穩定的交流輝光放電。
  10. Compared with other connection process, it has many advantages, such as simple technics, reliable connection strength, low cost and adapting to connect various kinds of materials etc. by means of increasing the capacitance and decreasing the voltage, we control the discharging energy and apply the low - voltage electromagnetic riveting ( lver ) process to rivets made of some widely used materials

    同其他連接形式相比,其工藝過程簡單、連接強度穩定可靠、成本低並能適應于各種材料之間的連接。本文通過增加系統電容量和降低電壓的手段來控制放電能量,將低電壓電磁成形方法用於常用材料鉚釘的鉚接。
  11. Since the analysis of the inverter and its control system is very complex, the frequency analysis, time domain analysis and control system is made in capacitance operated conditions limited to pressure of time and paper length. the research content can be summed up as follows : ( 1 ) a new equivalent circuit of dbd circuit ( dielectric barrier discharge ) that consider the consume of transformer, the on - off switching loses and so on is presented based on the ozonier powered by sine current source. as compared with the former equivalent, the new equivalent circuit can be depicted the actual ozone circuit accurately

    本文主要針對容性狀態下的臭氧發生器電源進行相關研究,研究內容包括以下幾部分: ( 1 )在正弦電流源供電的dbd型發生器的基波等效電路基礎上,提出了一種考慮電路雜散損耗(變壓器勵磁損耗、開關管開關和導通損耗以及其他元件的熱損耗)的改進型基波等效電路,並採用該等效電路得出了適用的臭氧發生器電源設計方法,實驗驗證了該基波等效電路具有工程設計精度高的優點。
  12. We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy

    並對系統主電路的元器件參數進行了詳細的計算;設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的逆變控制電路;採用了模糊邏輯與鎖相環相結合的控制技術,提高了電源的啟動成功率;採用電流、電壓雙閉環反饋方案,採用槽路電容電壓和槽路電流作為反饋信號,從而保證了電源功率的輸出精度。
  13. Computer control unit produces the trigger pulses for the fast switching thyristors. fast switching thyristors are connected in parallels in order to meet the capacitance requirement of the circuit. trigger pulses produced by computer are amplified and isolated by three pulse transformers

    設計三級脈沖變壓器來隔離和放大計算機產生的觸發脈沖,得到強觸發信號滿足了多個快速晶閘管並聯觸發的功率要求以及系統的抗反擊電壓的要求。
  14. ( 3 ) in order to be suitable for the secrecy of control system, convenient for debugging the control system and make the control system be applied to capacitance, inductance and phase - shifting controlled ozonier, the control system of the ozonier power is based on cpld / fpga chip is presented. ( 4 ) the paper analyzes the shortage of routine inductor designing methods which are used to design intermediate frequency, high voltage resonance reactor, puts forth an iterative method to prevent the problem

    ( 3 )為解決大功率諧振電抗器的設計困難一直是大功率諧振電源的難點,本文在電抗器常用的ap設計法的基礎上,提出了一種迭代設計方法,這種方法同時考慮氣隙長度范圍和氣隙磁通邊緣效應因數,根據所需電感值來求解滿足要求的鐵芯規格和線圈匝數,不必對電感器的匝數進行修正。
  15. Cls21 - i metallized polypropylene capacitors have low dissipation factor, stable capacitance, puny thermoguotiety. they can steadily work on logic control circuits & integral circuits and phase etc of instruments

    型金屬化聚碳酸酯電容器損耗小,電容量穩定,溫度系數小,能穩定地工作在精密儀器、儀表的邏輯控制電路,積分電路等場合。
  16. Cls21 - ii metallized polypropylene capacitors have low dissipation factor, stable capacitance, puny thermoguotiety. they can steadily work on logic control circuits & integral circuits and phase etc of instruments

    Ii型金屬化聚碳酸酯電容器損耗小,電容量穩定,溫度系數小,能穩定地工作在精密儀器、儀表的邏輯控制電路,積分電路等場合。
  17. The study of control strategy and performance include the performance of starting, acceleration and deceleration. study of commutation process includes the study of voltage and current of each phase and the converter capacitance

    在控制策略的研究中,分別對起動、加速、減速等進行了研究,並比較了不同的控制參數帶來的不同的結果。
  18. Based on the sufficient analysis of ppf control rule, the research into the algorithm combination between fuzzy control and ppf control is made to develop the intellectual ppf control system and design automatic tracking system to the edge of strip steel by the step motor, the signal collecting circuit with the capacitance sensor, servo magnifying circuit, and interface circuit are designed also

    本文在充分分析ppf的控制規律的基礎上,研究了模糊控制與ppf控制演算法結合,組成智能ppf控制系統,設計了步進電動機帶鋼邊緣自動跟蹤系統,電容傳感器信號採集電路,伺服放大電路及介面電路。
  19. In this paper, the control system of rectifying strip steel deviation based on ppf control algorithm is designed, and a way of detecting the deviation signal of strip steel is introduced, which adopted redundancy control that involves capacitance sensor and highfrequency photoelectricity sensor, and improved reliability of the system. the system includes : siemens s7 200 programmabled logic controller, em235 analog signal module expanded, td200 for manipulating and displaying

    本文設計了基於ppf控制演算法的帶鋼糾偏控制系統,並提出採用電容傳感器與高頻光電傳感器冗餘檢測帶鋼偏移信號的方法,增加了系統的可靠性。系統採用siemenss7 - 200plc控制,擴展了em235模擬模塊, td200用於操作及顯示。
  20. 2. the control signals couple through the capacitance of the switches to the output, the dynamic error caused by the parasitic gate ? drain feedthrough capacitance is significantly lowered by the use of a reduced voltage swing at the input of the switches

    2 .差分開關的控制信號會通過晶體管的寄生電容耦合到輸出,從而影響dac的動態性能,設計中通過降低控制信號電壓的方法來解決這個問題。
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