UPS power central power supply system and its method
A centralized power supply and power supply technology, applied in general control systems, battery circuit devices, control/regulation systems, etc., can solve the problems of unreasonable distribution and utilization of UPS power, and achieve the effect of improving efficiency
Inactive Publication Date: 2009-11-04
DELTA GREENTECH CHINA CO LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a UPS power supply centralized power supply system and its method, which can solve the problem that UPS power cannot be reasonably distributed and utilized in the existing power supply mode
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[0014] Such as figure 1 Shown is a schematic diagram of a specific embodiment of the present invention.
[0015] In this embodiment, the UPS power supply system includes: a large-capacity power supply UPS, branch power distribution equipment, power detection equipment, and a system controller. Wherein: large-capacity UPS is the provider of whole UPS power supply system energy, and its energy source is AC power supply and backup battery; For ease of understanding the present invention, Figure 4 A schematic diagram of the internal structure of the above-mentioned large-capacity UPS is provided. Since it is a prior art, the present invention does not specifically introduce the details in the figure; the large-capacity power supply UPS is also connected to the shunt power distribution equipment, and the actual backup The capacity is reported to the system controller in real time; the shunt power distribution equipment is connected to multiple user loads, and the wiring of differ...
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The invention discloses a UPS power supply centralized power supply system and a method thereof. The system includes: a large-capacity power supply UPS, a branch power distribution device, a plurality of power detection devices, and at least one system controller; the system controller includes : Communication interface, hardware circuit, CPU processor, output control interface and control function module. If there are multiple system controllers, they are connected in parallel and serve as mutual backups. In this method, the system controller calculates the backup time T1 of each load according to the actual backup capacity of the large-capacity power supply UPS and the different actual power of multiple loads, and sends it to the branch power distribution equipment to control the backup time of each load. The present invention overcomes the problems that the load backup time cannot be adjusted and the UPS power cannot be adjusted due to the change of the actual load power in the previous UPS power supply control mode in the design and use of the UPS system, and can solve the problems of the UPS in the existing power supply mode. The problem that electric energy cannot be allocated and utilized reasonably.
Description
technical field [0001] The invention relates to a UPS power supply system, in particular to a centralized UPS power supply system and a method thereof. Background technique [0002] At present, the vast majority of UPS power supply systems are decentralized and controlled, and there are very few that use centralized power supply. However, whether it is distributed power supply or centralized power supply, the capacity and backup time allocated to different loads by the existing UPS power supply system are fixed, which causes when the actual power of different loads changes or due to UPS backup When the capacity changes, the backup time of the load cannot be effectively controlled, and the power adjustment cannot be performed, resulting in waste of power and greatly reducing the efficiency of the UPS. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a centralized UPS power supply system and its method, which can s...
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IPC IPC(8): H02J7/00G05B19/04G05B15/02
Inventor 李久宏张一
Owner DELTA GREENTECH CHINA CO LTD