| 摘要 |
An off-line non-step voltage regulation uninterruptible power supply. The power supply comprises a plurality of silicon control switches for connecting to a power input end and a battery unit; a plurality of inductances and capacitances for charging; a plurality of transistors for modulating the pulse width; a transformer having a plurality of coil sets separately connected to corresponding input end, output end or signal line by a plurality of switch sets. Therefore, the invention can realize the objective of reducing cost and promoting efficiency.
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