calculating circuit 中文意思是什麼

calculating circuit 解釋
計算電路
  • calculating : adj. 1. 計算(用)的;有打算的,不落空的。2. 精打細算的,慎重的,為自己打算的。
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。
  2. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案:在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里,重點研究了一種軟開關buck變換器,通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態;對于逆變器部分,在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的工作原理,提出了最佳死區的計算方法。
  3. Moreover a example makes know, it can calculate lesser even harmonics exactly. especially it is more obvious to improve the pricision for calculating their phases. the paper designs a data gather circuit aimed at the require of power system harmonic measure

    文中給出了計算實例,實例表明該演算法具有很高的計算精度,即使對于幅值較小的偶次諧波也能準確地求出其各項參數,尤其是對于提高相位計算的精度更為明顯。
  4. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  5. An appropriate circuit of magnetism field has been designed to realize the weight desired. the size of every component has also been given out through analyzing and calculating. in addition, how to assemble the flux is discussed

    對永磁起重吸盤中各部件的材料選用問題進行了分析,在實現設定起重量要求的基礎上,設計了合理的磁路,對吸盤各部分的尺寸進行了計算分析。
  6. This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire

    在分析輸電線路繞擊耐雷性能時,對線路的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了風速的影響因素,編寫了具有工程實用價值的計算線路繞擊耐雷水平的程序,此方法可以充分考慮線路結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回線路雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導線逆相序排列可以大大降低雙回同時跳閘率。
  7. Electrical installations of ships and mobile and fixed offshore units - procedures for calculating short - circuit currents in three - phase a. c

    船舶和移動式及固定式近海裝置的電氣設施.三相交流短路電流計算程序
  8. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  9. In practical application, due to the parameter accuracy of two point temperature correction is limited by readout circuit noise 、 dynamic range 、 analogue to digital converter word length and calculating noise, the performance of focal plane array detector is not the performance it should be

    目前實用性較好的兩點溫度定標法的校準系數精度受讀出噪聲、信號動態范圍、模數轉換字長和運算噪聲的限制,很難使焦平面探測器的空間殘留噪聲達到應有的精度。
  10. Abstract : a method to estimate error of measureing electrical power for nonsinusoidal ac with intelligent instrument is presented in this paper. it is useful to ac circuit controlled by scr. using this method and calculating by computer, the errors of power and voltage and current can be estimated accurately

    文摘:介紹了估算智能瓦特表測量非正弦交流電功率誤差的方法,它適用於各類晶閘管控制的非正弦交流電路.採用這一方法並用計算機計算,可較準確的算出電功率、電壓和電流的誤差
  11. Bridge calculating circuit

    橋式計算電路
  12. Finally, after calculating iron loss and copper loss with the magnetic field analysis, use it as a heat source, and conduct a non - stationary analysis independently with the three dimensional thermal analysis which concentrates on the effect of the heat transfer coefficient on the temperature rise. in this paper, a bipolar switched reluctance machine system model is also established with an h bridge converter as its power circuit topology

    另外,本文還建立了雙極型sr電機系統模型,採用了h橋式功率主電路,詳細分析了其工作原理,並在磁場、損耗等方面與採用不對稱半橋變換器的傳統單極型sr電機系統進行了對比。
  13. In the calculating process. the function of liquid proportion control was discussed. especially to the synchronic control system and the dynamic character of synchronic error and the motor circuit. lt also discussed the relationship between the hydraulic system parameter and the transmission system. in the transmission unit. the mechanical function of main parts has been optimized and calculated. good results gotten. the stress and deformation of the frame joints and poles were calculated using structure mechanics method. the character of the screw pole were analyzed

    同時,為提高設備整體的性能,對機械傳動單元中重要部件臺面框架與絲杠的機械性能進行了優化與計算,重點運用結構力學的分析方法對臺面框架各節點與桿件的受力與變形做了精確的計算,並對絲杠的耐磨性、剛度、穩定性進行了可靠性分析,保證了設備的總體精度,提高了設備的可靠性,得到了比較理想的結果。
  14. Finally this dissertation expatiating on hardware and software designs of the dissipation factor calculating module. the hardware design including the collection of supervising signals, the choice of the disposing cmos chip and their electro circuit schematics

    最後對介損監測計算模塊的軟硬體模塊進行了設計。硬體設計包括監測信號的採集、參數計算處理模塊dsp晶元選型和硬體電路設計。
  15. 6. the theoretics of flip - flop anomalous property is perfected, and the oscillatory state of flip - flop is analyzed and the oscillatory frequency calculating equator is provided ; the self - adapting data synchronizer practical circuit with 0 error rate is designed, which can be used to resolve the problem of data synchronizing. the data synchronizer in common use is realized

    6 、對觸發器的不確定性理論作了改進,討論了觸發器的非穩態過程,給出了一些計算觸發器振蕩頻率的公式,設計了自適應數據同步器實現電路,理論誤碼率為0 ,為解決數據同步問題提供了新思路,實現了常用數據同步器。
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