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Ups battery configuration method and device
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A configuration method, battery technology, used in electrical digital data processing, special data processing applications, instruments, etc.
Active Publication Date: 2016-05-04
GUANGZHOU POWER SUPPLY CO LTD +1
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Problems solved by technology
However, in the current configuration schemes, most of them qualitatively analyze the impact of each parameter on the battery configuration scheme through manual table lookup based on experience, and it is impossible to achieve scientific and accurate comprehensive analysis.
This approach is often difficult to achieve the optimal or better performance of the configured UPS battery
Method used
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Embodiment 1
[0060] Example 1: Battery model: DEKAUNIGY; UPS capacity: 300kVA; power factor: cosφ=0.9; K1=0.9, K2=0.95; DC voltage 380-600 volts; nominal voltage Ue=2V; termination discharge voltage Ust=1.75V ;Maximum number of parallel branches: 4.
[0061] In optimization, the capacity must exceed the load requirement, that is, the maximum current deviation greater than or equal to zero is a hard constraint.
[0063] (1) If the weight coefficients of the maximum current deviation, the number of parallel branches and the weight of the three sub-objectives are respectively 0.3, 0.1 and 0.6; the optimization results (1000 independent operations, select the first few solutions with better optimization results) are shown in the table below :
[0064]
[0065] The larger the serial number of the battery model, the greater the capacity and quality. Wherein, the maximum current deviation is the redundant capacity of the battery, the same belo...
Embodiment 2
[0085]Embodiment 2: battery model: SonnenscheinA600; UPS capacity: 300kVA; power factor: cosφ=0.9; K1=0.9, K2=0.95; DC voltage 380-600 volts; nominal voltage Ue=2V; termination discharge voltage Ust=1.75V ;Maximum number of parallel branches: 4.
[0086] In the optimization goal, the capacity must exceed the load requirement, that is, the maximum current deviation greater than or equal to zero is a hard constraint.
[0087] The first case: discharge time: 15min:
[0088] (1) If the weight coefficients of the maximum current deviation, the number of parallel branches, and the weight of the three sub-objectives are respectively 0.3, 0.1, and 0.6; the optimization results (running independently for 1000 times, and selecting the first few solutions with better optimization results) are as follows :
[0089]
[0090] The larger the serial number of the battery model, the greater the capacity and quality. Wherein, the maximum current deviation is the redundant capacity of the ...
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Abstract
The invention discloses a configuration method of a UPS battery. The configuration method comprises the following steps of: establishing objective functions including redundant capacity, shunt-wound branch number and weight of the UPS battery; establishing boundary conditions of the objective functions according to preset constraint conditions of the UPS battery; carrying out solving on the objective functions according to the established boundary conditions; and configuring the UPS battery according to the result obtained by solving. Besides, the invention further discloses a configuration apparatus of the UPS battery. According to the configuration method and the configuration apparatus of the UPS battery, the objective functions including redundant capacity, shunt-wound branch number and weight of the UPS battery are established, and the boundary conditions are established aiming at the objective functions; and aiming at the discreteness and the limited conditions of the battery capacity, an inversion voltage (direct current) voltage is permitted to be a variable design parameter, and factors such as economy and safe reliability and mobility (weight requirement) of parallel design are comprehensively considered, so that the optimal or more preferable configuration scheme of the UPS battery can be scientifically and effectively found.
Description
technical field [0001] The invention relates to the technical field of UPS batteries, in particular to a UPS battery configuration method and a UPS battery configuration device. Background technique [0002] When designing and configuring UPS batteries, the capacity of the same series of batteries is discrete. For a given load parameter, if you choose a battery with a larger capacity (current), the advantage is that it does not require too many parallel branches to meet the requirements. The disadvantage is that there may be a large deviation between the total capacity of the battery and the required energy (because the battery capacity is discrete), and the economy is not good. If you choose a battery with a smaller cell capacity (current), the advantage is that you can use a smaller capacity deviation solution to meet the load requirements, but more parallel branches are required, resulting in a decrease in the reliability of the solution. [0003] In addition, if the inv...
Claims
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Application Information
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