Power supply power distribution system and method
A technology for power distribution and DC power supply, which is applied to control/regulating systems, electrical components, regulating electrical variables, etc. It can solve the problems of high cost of AC UPS, high loss of transmission lines, large system harmonics, etc., and achieves simple structure, Low cost and low ripple effect
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[0031] Example 1
[0032] As attached image 3 , Attached Figure 4 , Attached Figure 5 As shown, the power distribution system of this embodiment includes a 24-pulse rectifier circuit 1 and a DC / DC power supply 2 installed on the electrical equipment. The 24-pulse rectifier circuit 1 includes two 12-pulse axial double splits Type rectifier transformer 3 and four sets of full-wave rectifier bridges 4. The 24-pulse rectifier circuit 1 is connected to the DC / DC power supply 2 through a DC transmission line. The DC / DC power supply 2 includes an LC filter circuit, an IGBT inverter circuit, Step-down circuit and diode rectifier filter circuit.
[0033] This embodiment also provides a new power distribution method based on the above-mentioned power distribution system. image 3 As shown, the three-phase 35kV high-voltage power from the power grid is connected to the 24-pulse rectifier circuit 1, and after the step-down rectification in the 24-pulse rectifier circuit 1, the direct curr...
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