voltage constant 中文意思是什麼
voltage constant
解釋
電壓常數-
A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range
整體電路以恆定電流驅動4隻白光led ，利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器，在整個鋰電池供電電壓范圍內保持最高的效率，並使四個白光led獲得均勻的亮度。 -
Constant voltage and constant current operation
固定電壓與固定電流操作功能 -
Constant voltage and constant current modes
定電壓源與定電流源方式操作 -
There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套，包括：消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。 -
Lines within the field along which the voltage is constant are called equipotential.
在電場中電壓根等的那些曲線稱為等位線。 -
The technology of high power constant current charging, high voltage heavy current discharging switch, high speed and high voltage pulse generator, precision synchronization delay, auto control and so on are concretely introduced in this paper
具體研究了大功率恆流充電技術、高壓大電流放電開關、高速高壓脈沖發生器、高精度延時同步技術及系統自動控制技術。 -
It enables the rotor with constant speed for maintaining steady output voltage.
它使轉子能以恆定速度轉動，保持輸出電壓穩定。 -
The fault that the series resistor has high value can be avoided by using the constant current amplifier, and the fault that the dividing resistor reduces the working voltage of the speaker can be avoided by using the constant voltage amplifier
使用恆流功放，可以避免傳統方法中串聯電阻取值過大的缺點；使用恆壓功放，可以消除分壓電阻降低揚聲器工作電壓的不足。 -
Avr, constant voltage control or automatic voltage regulator
定電?制御 -
Test methods for cable accessories. part 2 : test of load - cycling at constant voltage
電纜附件試驗方法.第2部分:恆壓負荷循環試驗 -
Study on high voltage and constant current charging power supply based on soft switching
基於軟開關的高壓恆流充電電源的研究 -
The li - ion or li - polymer battery ic use cc / cv charging mode which includes the 3 charging stages : the trickle charging, large constant current charging and constant voltage charging
本文設計的鋰電池充電器晶元採用了恆流恆壓的充電方法，並在此基礎上將充電過程分為三個階段:預充電、恆流充電和恆壓充電。 -
After which, the battery will be charged by large constant current to allow the fast charging. finally, the constant voltage charging is adopted to guarantee the battery was charged to its full capacity. under the condition that the temperature has raised to a certain threshold at the constant current charging stage, the over temperature circuit is performing and it provides a compensation current which switches the system to constant temperature charging mode with the intention of protecting the ic
即在充電初期採用較小的電流對電池進行預處理，對出現過放電的電池進行修復和保護;然後採用較大的恆定電流對電池充電，實現快速充電的目的;最後採用恆定壓充電，確保電池充滿;在恆流充電階段，當晶元溫度上升到一定程度時，晶元過熱保護電路開始工作，該電路以提供充電補償電流的形式使充電進入恆溫充電模式，對晶元進行保護。 -
In the experimental system apd transferred laser pulse to weak electrical current. after two - level amplification we got a voltage pulse that had a enough amplitude to be applied, the timing point was discriminated by the constant - fraction timing discriminator circuit. timing circuits transferred the pulse flight time to digital signal accurately
實驗系統採用apd作為光電傳感器，將激光脈沖信號轉變為微弱電流脈沖，經過兩級放大后，信號變為幅度較大的電壓脈沖，經過時點鑒別電路分別確定計時起點和終點后，由計時電路來精確測量兩個時間點之間的時間間隔。 -
The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly
摘要為了準確評價伺服電動機的動態性能指標，從電機的電壓、轉矩平衡方程式出發，在理論上對永磁直流伺服電動機的時間常數進行了分析探討，並對工程實際中常用的幾種測試方法進行分析和比較，指出其差別和適用范圍以及可能造成的測試誤差。 -
In such devices, it is desirable to have a high dielectric tunability in a certain electric field range, where tunability is defined as the variation of dielectric constant with respect to the applied voltage
自上世紀50年代以來，用電控的方式進行波束掃描的方法得到了迅速發展，從而使相控陣天線及其基本元件移相器的研究獲得了廣泛的重視。 -
Constrained to technologies, the lead - acid battery mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current, etc. the charging current of these methods cannot match efficiently the acceptance curve of the lead - acid battery proposed by j. a. mas. as a result, some of these methods have a low time efficiency and incompleteness charging. and some of them lead to overcharge and gas - generation, which will result in low - efficiency, time - consuming and prone - to - damage of the charging operation
鉛酸蓄電池由於受到技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規充電模式，這些方法的充電電流未能有效的遵從馬斯所提出的可接受充電電流曲線，因而有的充電方法時間效率低、充電不完全;有的則存在著過充電和析氣等現象，並導致充電過程的低效，耗時和易損。 -
The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation
二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。 -
This thesis comes from the technological innovation project 2002 in xi ' an. the research is focused on the adaptive hybrid excitation synchronous generator system with constant output voltage. in order to keep the output voltage constant, the adaptive control is introduced in the digital voltage regulator of the generator system
本課題來源於2002年西安市重大技術創新工程計劃?自適應復合勵磁恆壓同步發電機系統的研究，通過採用數字電壓調節器對復合勵磁同步發電機的自適應控制，實現發電機的恆壓發電輸出。 -
Constant voltage constant frequency - cvcf
恆壓恆頻
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