Can be 0 ~ 500v voltage range ac and DC voltage measurements with high accuracy.
可以对0 ~ 500v电压范围内的交、直流电压进行较高精度的测量。
Thus, dc voltage fluctuations are maintained within the small range of the voltage margin.
直流电压变化会维持在一个很小的范围内。
Both theoretical analysis and experimental results show that the AC DC converter has high efficiency over a wide range of input voltage.
理论分析和实验结果表明，该转换器可以在较宽的输入电压范围内获得较高的转换效率。
Power inductor is pared with conventional switched-capacitor DC-to-DC converters, the new type is directly controlled by wide regulating range of input voltage and the load.
与一般开关电容变换器相比，它还具有直接反馈控制、电压和电流调整范围宽、对器件参数要求不高、集成后成品率高的优点。
It adjusts some technical parameters, such as the output DC voltage adjustable range, efficiency and power factor, wide band noise voltage, static regulation value.
调整了直流输出电压可调节范围、效率与功率因数、宽频杂音电压、稳压精度等指标。
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。
The output of the DC voltage can be regulated in a wide range only by changing the datum component.
输出DC电压可在很宽的范围内任意调节，只需要改变基准电压元件。
The experimental results show that within a certain voltage range the polarity of the surface charge will reverse as the DC voltage duration increases.
这与国外研究者认为的绝缘子表面电荷积聚会随着电压作用时间的增加逐渐增加，进而达到饱和的结果有着显著的不同。
The experimental results show that within a certain voltage range the polarity of the surface charge will reverse as the DC voltage duration increases.
这与国外研究者认为的绝缘子表面电荷积聚会随着电压作用时间的增加逐渐增加，进而达到饱和的结果有着显著的不同。
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