commutation system 中文意思是什麼
commutation system
解釋
交換系統- commutation : n. 1. 換算，交換，變換。2. 減刑；抵償；抵償金；劃撥。3. 【電學】整流，換向。4. 〈美國〉使用長期票（在兩地間）經常來往。
- system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
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Commutation failure factors analysis in hvdc transmission system
直流輸電系統中逆變器換相失敗的因素分析 -
The fourth part is concerned with the application of the commutation system
第四部分，減刑制度的適用。 -
The third part is about the theoretical basis of the commutation system
第三部分，減刑制度的理論基礎。 -
The eighth part puts forward the author ' s contemplation on the commutation system
第八部分，關于減刑制度的幾點思考。 -
The second part is concerned with the historical evolvement of the commutation system in china
第二部分，我國減刑制度的歷史演變。 -
The paper in this part elucidates the rules and conditions for the application of the commutation system
該部分對我國刑法關于減刑制度的適用原則、適用條件進行了闡述。 -
The first part, as a general analysis of the commutation system, clears the definition and characteristics of commutation
第一部分，減刑制度概述。該部分界定了減刑的概念，分析了減刑的性質和特點。 -
Founded in the revolutionary base area period, the commutation system of prc is perfected by the enactment of the criminal law in 1979 and succeeding amendments
新中國的減刑制度創立於革命根據地時期， 79年刑法的制定和其後的修訂使減刑制度更加完善。 -
The preface briefly introduces the present condition of the research on commutation system, and the meaning and researching approaches of the selected topic, thus the readers can get a clue to the content of the paper
引言部分對選題的意義、學界關于減刑制度研究的現狀、論文的基本內容和本選題的研究方法作了簡要說明。 -
By analyzing the general theory on commutation system and concentrating on the perfection of it, this paper tries to put forward some idea for enhancing the efficiency of the judicial operation to achieve the goal of penalty
本文試圖通過對減刑制度一般理論的分析，進一步研究完善減刑制度的方法，以期增強司法實踐中的可操作性，更好地實現刑罰目的。 -
Utilizing the characteristics of quick response, easy for automatization and easy to realize frequent commutation of the hydraulic system, this mechanism can be employed in composing the compound movement in horizontal and vertical direction, which could realize accurate simulation of the motion law for motorcycles and automobiles under the effect of random load in high frequency
利用液壓系統反應快、便於自動化、易於實現頻繁換向的特點，該機構可用來合成水平、垂直方向的復合運動，實現對摩托車、汽車等在高頻隨機載荷作用下運動規律的精確模擬。 -
I. e. strong coupling critical admittance and weak coupling critical admittance that affect the occurring conditions and types of commutation failures in multi - infeed hvdc system, are defined in this paper. factors which has great influence on the above two parameters, such as ac system strength
針對一個典型的多饋入直流輸電系統，首次定義了影響多饋入直流輸電系統中換相失敗及其發生類型的兩個重要參數，即強耦合臨界導納和弱耦合臨界導納。 -
It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage
並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。 -
The system uses the microchip pic16f877 made by microchip co. ltd as a control chip. it fulfills the capture of " zero crossing " point and the multifarious protective functions. it realize the approximately exact commutation of the motor and unmanned supervision of the system
本系統是以microchip公司生產的pic16f877為核心晶元，軟硬體結合完成對反電勢過零點的捕捉和系統的各種保護，實現了電機較為準確的換向和無人監控安全運行。 -
4. based on the analysis of the principle and structure of the intelligent roadway control system, the control of corresponding hardware device is implemented by the use of rs - 485 interface and serial commutation technology
在分析自動道閘集成的車道控制模塊原理和結構的基礎上，採用rs - 485介面和串列通訊技術實現了對相關硬體設備的控制。 -
The chip jk3ce that is one of micro - controllers in motorola 68hc08 family is used as control unit in this system. the zero crossing point of the back emf can be obtained by comparing the terminal voltage with the virtual neutral point, then using the software of the system can figure out the commutation period. the electronic commutation replaces the mechanical commutation in this way
本系統採用的控制晶元為motorola系列單片機中的jk3ce ，反電勢過零點可以通過比較電機端電壓和虛擬中點電壓來得到，將過零點信號送往單片機捕捉埠後由系統軟體來確定換相時刻，這樣就可以由電子換向裝置替代機械換相裝置，有利於提高系統運行的可靠性，並降低了系統維護的費用。 -
Conventional dc electric propulsion system always takes up dominant station in submarine propulsion. due to dc motor inherent limitation that machine commutation and brush results in stand - alone capability ' s limit low reliability, big noises, people manage to explore more quiet, high efficient and reliability, big stand - alone capability propulsion motor
傳統的直流電力推進系統一直在潛艇推進中占據主導地位，但由於直流電機本身固有的缺陷即有機械換向器和電刷從而導致單機容量有限和可靠性不高、噪音大，迫使人們探索更加安靜並且高效可靠、單機容量大的推進電機。 -
The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor
該系統的功率電路採用電壓型的交-直-交變壓變頻結構，由整流電路、濾波電路及智能功率模塊ipm （ pm15rsh120 ）逆變電路構成;控制電路以dsp晶元tms320lf2407為核心，加上pwm信號發生電路、定子電流檢測電路、直流母線電壓檢測電路、智能功率模塊驅動電路、速度檢測電路、系統保護電路等，構成了功能齊全的異步電機全數字化矢量控制系統。 -
This paper will study the self - controlled varying frequency system with current supply, including control strategy, parameter optimization and commutation process
本文就是對船用永磁電機的電流源型自控頻率調速系統進行模擬研究，主要包括控制策略、參數優化、換向過程的研究。 -
By comparing the trial department, applicability, bound and classification of the commutation system in china and western countries, the paper tries to draw some helpful experiences and perfect the commutation system in china
第七部分，中外減刑制度之比較。該部分對中外減刑制度從審理機關、適用的實質條件、限度、種類等方面作了簡要比較，以期從中借鑒有益經驗，完善我國減刑制度。
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