UPS (Uninterrupted Power Supply) control system and method with neutral line
A control system and neutral line technology, applied in the field of energy storage, can solve the problems of inconsistent capacity of positive battery pack and negative battery pack, overcharge of battery pack, insufficient charge of battery pack, etc., so as to avoid insufficient charging or overcharging, and improve reliability. , Guarantee the effect of capacity
Pending Publication Date: 2022-04-15
SHENZHEN TOPBAND NEW ENERGY CO LTD
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Problems solved by technology
[0002] In the UPS energy storage system with a neutral line, due to the inconsistent half-wave load or line internal resistance, the capacity of the positive battery pack and the negative battery pack are inconsistent, resulting in insufficient charging of the battery pack (that is, not fully charged), or overcharging of the battery pack. Problems occur, reducing the reliability and stability of the battery pack
Method used
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[0046] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0047] refer to figure 1 , is a structural schematic diagram of Embodiment 1 of the UPS control system with a neutral line provided by the present invention.
[0048] Such as figure 1 As shown, the UPS control system with a neutral line includes: a BMS management system 10 , an energy storage unit 20 , a detection unit 30 and a UPS system 60 . The energy storage unit 20 includes: a positive battery pack 201 and a negative battery pack 202 .
[0049] The BMS management system 10 is connected to the energy storage unit 20, the detection unit 30 and the UPS system 60 respectively, the detection unit 30 is connected to the positive battery pack 201 and the negative battery pack 202 respectively, and the UPS system 60 is c...
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The invention relates to a UPS control system and method with a neutral line. The UPS control system comprises a BMS management system, an energy storage unit, a detection unit and a UPS system. The energy storage unit comprises a positive battery pack and a negative battery pack; the detection unit collects the discharge current of the positive battery pack and the discharge current of the negative battery pack in the discharge process of the energy storage unit; the BMS calculates discharging information of the positive battery pack and the negative battery pack according to the discharging current of the positive battery pack and the discharging current of the negative battery pack, and outputs a charging request to the UPS system based on the discharging information after discharging of the energy storage unit is finished; and the UPS system charges the positive battery pack and the negative battery pack according to the charging request. The charging information of the discharging information of the positive and negative battery packs is determined through the BMS, so that the UPS system can correspondingly charge the positive and negative battery packs according to the determined charging information, the capacity consistency of the positive and negative battery packs is ensured, insufficient charging or overcharging is avoided, and the reliability, stability and safety of the battery packs are improved.
Description
technical field [0001] The invention relates to the technical field of energy storage, and more specifically, to a UPS control system and method with a neutral line. Background technique [0002] In the UPS energy storage system with a neutral line, due to the inconsistent half-wave load or line internal resistance, the capacity of the positive battery pack and the negative battery pack are inconsistent, which in turn leads to insufficient charging of the battery pack (that is, not fully charged), or overcharging of the battery pack. Problems occur, reducing the reliability and stability of the battery pack. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a UPS control system and method with a neutral line for the defects of the prior art. [0004] The technical solution adopted by the present invention to solve the technical problem is: to construct a UPS control system with neutral line, including: BMS managem...
Claims
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Login to View More IPC IPC(8): H02J7/00H02J9/06
Inventor 徐新祥
Owner SHENZHEN TOPBAND NEW ENERGY CO LTD