...业设计)_论文 关键词:电压比例法 89C51 AD637 电阻电感电容测量 1602液晶模块 [gap=1484]Key words: the voltage ratio method; 89C51; ad637; resistor inductance capacitance measurement; 1602 LCD module ..
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The principle, main design point and no load voltage ratio calculation method of resin insulation dry-type grounding transformer are introduced.
介绍了树脂绝缘干式接地变压器的工作原理、设计要点及空载电压比的计算方法。
By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.
通过采用时变调制比的方法,可以消除不对称输入电压的影响,从而获得对称正弦输出电压或输入电流。
Based on the analysis of the process of regenerative braking, this paper put forward a new method to restrain the pumping voltage by changing PWM ratio.
文中通过对再生制动过程的分析,提出了通过控制占空比的办法来抑制泵升电压。
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