High-voltage DC power supply system
A high-voltage DC power supply and DC power technology, applied in the power supply field, can solve the problems of occupation, large area, large volume, etc., and achieve the effects of wide application scenarios, short power distribution paths, and small size
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Example Embodiment
[0021] Example 1:
[0022] The high-voltage DC power supply system provided by Embodiment 1 of the present invention is as follows figure 1 As shown, it includes: AC unit 101 inputting two AC powers Vin1 and Vin2, rectification unit 102 and DC unit 103 including a first rectification module group and a second rectification module group; among them:
[0023] The first rectifier module group includes n rectifier modules H1, H2...Hn, the n rectifier modules output direct current to the first direct current bus, n≥1;
[0024] The second rectifier module group includes m rectifier modules Hn+1, Hn+2...Hn+m, and the m rectifier modules output direct current to the second direct current bus, m≥1;
[0025] The first DC bus and the second DC bus are the same DC bus BUS.
[0026] Specifically, the AC unit 101 includes two AC input switches Q11, Q12 corresponding to the two AC powers Vin1, Vin2 one-to-one, and n AC output switches Q21, Q22...Q2n, and n rectifier modules corresponding one-to-one. ...
Example Embodiment
[0039] Example 2:
[0040] The high-voltage DC power supply system provided by Embodiment 2 of the present invention is as follows figure 2 As shown, it includes: AC unit 201 inputting two AC powers Vin1 and Vin2, rectification unit 202 and DC unit 203 including a first rectification module group and a second rectification module group; among them:
[0041] The first rectifier module group includes n rectifier modules H1, H2...Hn, the n rectifier modules output direct current to the first direct current bus BUS 1, where n≥1;
[0042] The second rectifier module group includes m rectifier modules Hn+1, Hn+2...Hn+m, and the m rectifier modules output direct current to the second direct current bus BUS 2, m≥1;
[0043] compared to figure 1 The main difference in the high-voltage DC power supply system shown is that the first DC bus BUS 1 and the second DC bus BUS 2 are different DC buses.
[0044] Preferably, in addition to the rectifier module group, the rectifier unit 202 also includes ...
Example Embodiment
[0049] Example 3:
[0050] The high-voltage DC power supply system provided by Embodiment 3 of the present invention is as image 3 As shown, it includes: an AC unit 301 inputting two AC powers Vin1 and Vin2, a rectification unit 302 and a DC unit 303 including a first rectification module group and a second rectification module group.
[0051] compared to figure 2 The main difference of the shown high-voltage DC power supply system lies in the specific implementation of the AC unit 301.
[0052] Specifically, the AC unit 301 includes two AC input switches Q11, Q12 corresponding to the two AC powers Vin1, Vin2 one-to-one, and n AC output switches Q21, Q22...Q2n, and n rectifier modules corresponding one-to-one. The m AC output switches Q2n+1, Q2n+2……Q2n+m corresponding to m rectifier modules one by one, among them:
[0053] The first ends of the two AC input switches Q11, Q12 are used as the input ends of the two AC powers Vin1, Vin2; of the two AC input switches Q11, Q12, the secon...
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