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HTY single phase emergency power supply

HTY single phase emergency power supply

Brief introduction A application: EPS is reserve power supply equipment installed in buildings. When there is no commercial power in a building because of fire, accident or other emergency, EPS supplies the second way emergency power for fire-fighting identification light, headlight, and other important loads. As the increasing of building fire safety level, especially there are more high...

HTAF active power filter

HTAF active power filter

Operation principle HTAF active power filter is mainly consisted of instruction current arithmetic circuit and compensation current generating circuit. Instruction current arithmetic circuit monitors current in line on real time, changes analog current signal into digital signal, deals signal in DSP, divides harmonic and fundamental wave, sends drive pulse to impregnated current...