Power supply system and power supply method
The present invention discloses a power supply system and a power supply method. The power supply system includes: a load region, a load disposed in the load region, at least two preceding-stage power supply regions disposed around the load region, preceding-stage power modules disposed in the at least two preceding-stage power supply regions, at least two post-stage power supply regions disposed around the load region, and post-stage power modules disposed in the at least two post-stage power supply regions. The at least two preceding-stage power supply regions and the at least two post-stage power supply regions are arranged in a staggered manner. The preceding-stage power module and the post-stage power module are cascaded to supply power to the load.
1 . A power supply system, comprising:
a load region, and a load disposed in the load region;
at least two preceding-stage power supply regions disposed around the load region;
preceding-stage power modules disposed in the at least two preceding-stage power supply regions;
at least two post-stage power supply regions disposed around the load region; and
post-stage power modules disposed in the at least two post-stage power supply regions;
wherein the at least two preceding-stage power supply regions and the at least two post-stage power supply regions are disposed around the load region in a staggered arrangement manner; and
wherein the preceding-stage power module and the post-stage power module are cascaded to supply power to the load.
2 . The power supply system according to claim 1 , wherein
the at least two preceding-stage power supply regions are distributed in an axisymmetric manner with respect to the load region; and/or
the at least two post-stage power supply regions are distributed in an axisymmetric manner with respect to the load region.
3 . The power supply system according to claim 1 , wherein the power supply system comprises a first preceding-stage power supply region, a second preceding-stage power supply region, a first post-stage power supply region and a second post-stage power supply region;
wherein the first post-stage power supply region and the second post-stage power supply region are distributed in an axisymmetric manner with respect to the load region; and
wherein the first preceding-stage power supply region and the second preceding-stage power supply region are distributed in the axisymmetric manner with respect to the load region.
4 . The power supply system according to claim 1 , wherein
the at least two preceding-stage power supply regions are distributed in a centrosymmetric manner with respect to the load region; and/or
the at least two post-stage power supply regions are distributed in a centrosymmetric manner with respect to the load region.
5 . The power supply system according to claim 1 , wherein
the at least two preceding-stage power supply regions are distributed in an axisymmetric manner with respect to the load region, and the at least two post-stage power supply regions are distributed in a centrosymmetric manner with respect to the load region; or
the at least two preceding-stage power supply regions are distributed in the centrosymmetric manner with respect to the load region, and the at least two post-stage power supply regions are distributed in the axisymmetric manner with respect to the load region.
6 . The power supply system according to claim 1 , wherein
the at least two preceding-stage power supply regions are evenly distributed around the load region, and/or
the at least two post-stage power supply regions are evenly distributed around the load region.
7 . The power supply system according to claim 1 , wherein a length of at least one of the post-stage power supply regions is greater than or equal to that of at least one of the preceding-stage power supply regions.
8 . The power supply system according to claim 1 , wherein the preceding-stage power module is electrically connected to the post-stage power module through a first power delivery network, and the post-stage power module is electrically connected to the load through a second power delivery network.
9 . The power supply system according to claim 1 , wherein the load region comprises a plurality of loads working coordinately.
10 . The power supply system according to claim 1 , wherein the power supply system further comprises a first carrier, and the load, the preceding-stage power module and the post-stage power module are disposed on the first carrier.
11 . The power supply system according to claim 10 , wherein at least one of the post-stage power modules is positioned on a first surface of the first carrier, and at least one of the preceding-stage power modules is positioned on a second surface of the first carrier.
12 . The power supply system according to claim 1 , wherein the power supply system further comprises a first carrier and a second carrier, the first carrier is disposed on the second carrier, and the preceding-stage power module and/or the post-stage power module are disposed on the second carrier.
13 . The power supply system according to claim 1 , wherein
each of the preceding-stage power supply regions comprises a plurality of the preceding-stage power modules, and there is a constant space between any adjacent preceding-stage power modules; and
each of the post-stage power supply regions comprises a plurality of the post-stage power modules, and there is a constant space between any adjacent post-stage power modules.
14 . The power supply system according to claim 13 , wherein the space between the adjacent preceding-stage power modules is a first gap, and the first gap is less than one fifth of a length of the preceding-stage power module.
15 . The power supply system according to claim 13 , wherein the space between the adjacent post-stage power modules is a second gap, and the second gap is less than one fifth of a length of the post-stage power module.
16 . The power supply system according to claim 1 , wherein the post-stage power module is a regulated DC/DC circuit, and the preceding-stage power module is an unregulated DC/DC circuit; or
the post-stage power module is an unregulated DC/DC circuit, and the preceding-stage power supply module is a regulated DC/DC circuit; or
the post-stage power module comprises a secondary-side circuit of an unregulated DC/DC circuit, and the preceding-stage power module comprises a primary-side circuit of the unregulated DC/DC circuit.
17 . The power supply system according to claim 1 , wherein an impedance of the post-stage power supply region is greater than or equal to an impedance of the preceding-stage power supply region.
18 . The power supply system according to claim 1 , wherein a ratio of a distance between the post-stage power module and the load region to a perimeter of the load region is less than 10%.
19 . The power supply system according to claim 1 , wherein a ratio of a distance between the preceding-stage power module and the load region to a perimeter of the load region is less than 25%.
20 . A power supply method, comprising:
configuring a power supply system which comprises a load region and a load disposed in the load region;
disposing at least two preceding-stage power supply regions around the load region;
disposing preceding-stage power modules in the at least two preceding-stage power supply regions;
disposing at least two post-stage power supply regions around the load region;
disposing post-stage power modules in the at least two post-stage power supply regions;
disposing the at least two preceding-stage power supply regions and the at least two post-stage power supply regions around the load region in a staggered arrangement manner; and
cascading the preceding-stage power module and the post-stage power module to supply power to the load.