Electric supply of filament adopts constantvoltagedevice, which has high voltage stabilizing accuracy, long life and distinct energy-saving efficiency.
灯丝供电采用恒压器，稳压精度高，寿命长，节能显著。E。
2
It introduces a kind of powerful complementary DC and constantvoltage power device by using the independent excitation and high frequency PWM wave clipper.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
3
The charging technique with L-C constant-current converter is adopted, and the repeated charging and discharging process of the device is controlled by voltage feedback.