Zero-interruption hybrid dual power supply automatic conversion device and use method thereof
An automatic conversion and conversion device technology, applied in circuit devices, emergency power supply arrangements, circuits, etc., can solve problems such as large phase difference between main and backup power supplies, reduction in insulation and withstand voltage levels of main and backup power supplies, and damage to electronic switches. Avoid arcing phenomenon, ensure continuity and stability, and increase the effect of electrical life
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[0037] Embodiment: According to the attached figure 1 , attached figure 2 , attached image 3 , attached Figure 4 And attached Figure 5 To further illustrate the present invention, a zero-interruption hybrid dual-power automatic conversion device in this example includes a conversion device body, and an excitation type transfer switch and a main control controller are arranged in the conversion device body. The controller is equipped with an ADC sampling module and an IGBT drive output module, the input terminals of the excitation transfer switch are respectively connected with the main power supply circuit L1 and the backup power supply circuit L2, and the input terminals of the excitation transfer switch are connected with the load The circuits are connected through busbars, and an inverter grid-connected power supply unit is arranged next to the excitation type transfer switch, and the input and output terminals of the inverter grid-connected power supply unit are res...
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