circuit energy 中文意思是什麼
circuit energy
解釋
電路能量-
It is this release of energy that maintains the arc often seen when a switch is opened in an inductive circuit.
在電感電路中，打開電鍵時，就有這種能量釋放，引起經常所見的電弧。 -
Study on the principles of driving circuit and energy recovery in 42 ac - pdp
的驅動原理及能量恢復研究 -
This paper introduces the fundamental and characteristic of the fuel cell, analyzes the necessity and detail scheme of adding assistant energy sources to the fuel cell power generation system. considering for the special demand of the fuel cell power generation system, this paper gives out a push pull forward converter ( ppfc ) with passive and lossless dual cdd snubber circuit
本文首先闡述了燃料電池的基本原理和性能特點，分析了在燃料電池發電系統中引入輔助能源系統的必要性及具體的配置方案，然後針對燃料電池發電系統對dc / dc變換器設計的特殊要求，提出了一種加雙cdd無源無損緩沖電路的推挽正激變換器（ pushpullforwardconverter ， ppfc ） 。 -
Study of energy feedback snubber circuit in high power ipm three - level converter
大功率三電平變流器中的能量回饋型吸收電路 -
In theory, this may be in part because non - exercise activity thermogenesis ( neat ) is generally a much greater component of total energy expenditure than exercise, or because any type of brief, yet frequent muscular contraction throughout the day may be necessary to short - circuit unhealthy molecular signals causing metabolic diseases
從理論上來說，這樣的結果部分是由於非運動型活動的產熱作用比鍛煉占據了更多比例的能量消耗，或者是由於長時間短暫、頻繁的肌肉收縮造成短途的不健康的分子通路，後者是代謝綜合征中的必經途徑。 -
And experiment was based on the simulation, the results show that charge circuit and uplifted circuit both was adopted the same circuit, which can realize energy bi - directional flow, also have low switch ullage and high dynamic response
在此基礎上進行了實驗研究，模擬和實驗結果表明，該裝置升壓和降壓只採用同一個主電路，即可實現能量的雙向流動，且具有低開關損耗和較高的動態響應。 -
Nibco ' s new circuit balancing valves control and maintain a comfortable indoor climate while saving energy and reducing costs. these control valves ensure trouble - free operation and ease of maintenance
在節約能源和降低成本的同時，美國尼伯科的流量平衡閥控制調節和維持一個舒適的室內環境。這些控制閥保證無故障運行，並且維護保養簡便易行。 -
The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch
在大功率恆流充電技術上，成功的應用了交流調壓式恆流技術，可以在8s內讓電容器儲存25kj的能量;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關，使用雙觸發電路，研製出了低抖動、快前沿的高壓脈沖發生器（點火機） ;採用單片機和pld ，研製出了精度為10ns的延時同步機。 -
This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled
本文分析了異步電動機輕載時降壓節能運行的原理，對幾種提高效率的方案進行了比較，確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法，應用matlab軟體對系統進行模擬，在基於tms320f240dsp的通用型變頻器上編制了實用化的程序，形成了完整的樣機，對其進行了測試，並給出了試驗結果。 -
When the circuit is opened the magnetic field collapses and this energy is returned to the circuit.
電路斷開后，磁場就消滅了，這種能量就回到電路中。 -
Proceed from energy - conserving angle, utilize infrared device and intensity of illumination count and auxiliary circuit make up " classroom light systematic intellectual control " device far
摘要從節能的角度出發，利用遠紅外裝置和照度計（光電管）及輔助電路組成「教室照明系統的智能控制」裝置。 -
Being master control part, user controller stores, manages, display and query user information ; as slave control part, sub - user controller calculates and temporarily stores power sent from measuring module ; measuring module measures electric energy by using power meter ' s special circuit which simplifies circuit design and connects or breaks up power supply circuit by relay ; in order to transmitting data fast and exactly, rs - 485 communication standard is adopts between user controller and sub - user controller
主控部分用戶控制模塊可存儲、管理、顯示和查詢用戶電能信息；從控部分子用戶控制模塊計算並暫存電能測量模塊輸出功率數據；電能計量模塊採用電度表專用厚膜電路hdb6進行電能計量，簡化了電路設計，同時還利用繼電器控制連接或斷開用戶的供電迴路；在主從部分間採用rs - 485通信標準實現數據快速、準確的傳輸。 -
In this paper, the basic character of the quasi - static circuit is showed by analyzing the energy conversion in a representative rc circuit
摘要通過對一個典型的rc電路能量轉化問題的分析，展示似穩電路的基本特徵。 -
The energy conversion in circuit rc
電路中的能量轉換 -
The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。 -
This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power
該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。 -
There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。 -
A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器，電路的主要優點是：前級移相全橋的移相角控制在_ d _ i和_ （ overlap ） - _ d條件下，超前橋臂零電壓開通，滯后橋臂零電流關斷，並使周波變流器所有開關在零電壓期間重疊換相，使整機開關最大程度地實現了軟開關，並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。 -
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。 -
Electronic soft starter is a kind of novel motor control device which can implement the soft - start, soft - stop and energy - saving of the asynchronous motor. compare in the traditional motor starter, it has outstanding advantages such as stepless regulation of the motor start, avoid the inrush of the torque and the current, and reliable protections, convenient operation and starting repetitively. so the paper aim at electronic soft starter, asynchronous soft starter of electrical machinery electron as research object, study it ' s high - performance soft starting technology - torque control soft - start, develop its realization circuit
異步電動機電子軟起動器是一種集電機軟起動、軟停機、輕載節能和多種保護功能於一體的新穎電機控制裝置，相比于傳統的起動器，它突出的優點體現在能夠連續無級的調節電機起動、沖擊轉矩和沖擊電流小、控制簡便、起動重復性好以及體積小等方面，本文以異步電機電子軟起動器為研究對象，研究高性能的電機軟起動技術- - -轉矩起動方式，並研製其實現電路。
分享友人