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The development trend of DC switching power supply

With the deepening of the research on DC switching power supply technology, the performance of the switching power supply has been further improved, and the DC switching power supply has been outstanding in the field of power supply. At present, the application range of switching power supply is more and more wide, and its prospect is bound to be bright. Here, its inevitable development trend is summarized in the following aspects

2023-04-04

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The effect of power factor correction technology on switching power supply

Since the pre-circuit of the switching power supply is usually a rectifier circuit composed of diodes and a filter circuit composed of capacitors, it is the combined effect of the nonlinearity and capacitance of the rectifier diode that distorts the input current - no longer a sine wave, but contains a large number of harmonics, which inevitably leads to a low power factor of the power supply. What is more serious is that when a large number of switching power supply loads are connected to the public power grid, it will produce quite serious harmonic pollution to the power grid.

2023-04-04

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Efficiency of distributed power supply

On the one hand, the loss of the switching tube of the low-power power module is relatively small, and the loss of the magnetic component is also relatively small. On the whole, the overall efficiency of the smaller power module is higher than that of the similar power module with high power. Therefore, the overall efficiency of the distributed power system formed by the smaller power module in parallel is also higher than that of a single power supply with the same capacity and type.

2023-04-04

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Application of distributed power system

The concept of DPS CDistributing Power System (DPS CDistributing Power System) emerged in the 1970s and was originally used in computer power systems and communication power supplies. Prior to this, each communication system often had two identical power supplies, which increased reliability but doubled the cost.

2023-04-04

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The development direction of vehicle power supply technology

With the continuous development of vehicle equipment information, there are more and more vehicle electrical equipment, and the power consumption of additional vehicle equipment is gradually increased. The working location of the vehicle power supply is far away from the production site, and the energy supply has certain limitations; At the same time, the on-board power system not only has a large power consumption and high quality requirements for the on-board power supply, but also to avoid information loss and work loss caused by power failure.

2023-04-04

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