direct current output 中文意思是什麼
direct current output
解釋
直流輸出功率-
A study on automatic testing system of output characteristic for small - sized direct current dynamo
小型直流發電機輸出特性自動測試系統 -
The author of the dissertation pay a lot efforts to focus on designing the dual - loop control circuit based on optimized psm, include : 1 ). researched the relationship of input and output voltage and output valtage ripple, when psm operate in continuous current mode and discontinuous current mode respectively. what we have done will direct psm apply to converter
本文在psm調制理論的基礎上，設計基於優化psm調制模式的雙環控制電路，主要包括以下幾個方面內容: 1 ）對psm調制模式分別在連續和斷續工作模式下的輸入輸出電壓關系以及輸出電壓紋波進行研究，以期指導psm調制模式在變換器中的應用。 -
By using the measure and research of the emulating two - port network parameters of using direct - current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating software pspice8. 0, the measure and research have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient, and also brought about the analysis of alternating current and direct - current for two - port network of any one complex and measure and research of y 、 n 、 z 、 t 、 h and so on parameters, and this opens up one new path for many traditional experimient of not easy to fulfil and for the complex circuit
摘要利用電路模擬軟體pspice8 . 0中直流分析及正弦穩態電路的數值輸出功能模擬二埠網路參數的測量與研究，解決了傳統實驗中只能測量簡單、單一的純電阻網路問題，實現了對任一復雜二埠網路交、直流的分析及y 、 z 、 t 、 h等參數的測量與研究，為更多的不易完成的傳統實驗以及復雜電路的分析研究開辟了一條新路。 -
According to the following design theory : the dsp calculates in real time and produces three phases spwm waves to control the on or off of the 6 igbts in ipm respectively. ipm then inverts the commutated single phase direct current ( insulated gate bipolar transistor ) into three phases alternating current. when modulated signals of spwm are changed, the on - off time of switches also changes, so as to the voltage and frequency of output signals
本文提出了一種基於dsp （數字信號處理器tms320f240 ）的通用的三相間接變頻電源系統，利用分段同步調製法和混合查表法，實時計算不同頻率下的采樣周期、電壓幅值、輸出脈寬，產生雙極性spwm波形，經驅動放大後用于ipm （ intelligentpowermodule ）中的絕緣柵雙極型晶體管柵級驅動，以控制電源的輸出電壓和頻率，實現變頻電源的智能數字控制。 -
Output direct - current
輸出直流電壓 -
Abstract : this paper introduces the working pinciples of the electro - economizer, in which either alternating or direct current voltage can be input with the adaption to the operating coils of contactor, steady direct current is output, and voltage auto - converting is absorbed and kept withno contacting point
文摘:論述了與交流接觸器操作線圈適配的交直流輸入（操作）電壓通用，恆直流輸出，吸合與保持電壓無觸點自動轉換節電器的工作原理。
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