Emergency power supply system having energy storage effect
A backup power supply and energy storage technology, which is applied in the direction of emergency power supply arrangement, electrical components, circuit devices, etc., can solve the problems of energy consumption and low utilization rate of backup power supply, and achieve the effect of improving utilization rate, reducing input cost and avoiding interruption
Pending Publication Date: 2018-05-04
SHENZHEN CENT POWER TECH
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Problems solved by technology
[0007] In view of the low utilization rate of backup power and energy consumption in the current backup power system, the embodiment of the present invention provides a backup power system with energy storage effect
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Embodiment 1
[0038] The internal circuit structure of a UPS is as follows Figure 4 shown. The backup power supply part and the energy storage part of the rechargeable battery unit 11 provided in this embodiment adopt the same battery pack, that is to say, the backup power supply of 100Ah is needed inside the UPS of this embodiment, so the rated capacity of the backup power supply composed of the rechargeable battery unit 11 is 120Ah.
[0039]In this circuit, there are mainly two working modes: bypass priority and rectification priority. In the bypass priority mode, from 0:00 to 5:00 (the electricity price is in the valley), line 1 supplies power to the load, and line 2 charges the backup power 11 to 120Ah (V1), from 5:00 to 8: At 00, line 1 supplies power to the load, and line 2 floats the battery. From 8:00 to 16:00 (the electricity price is at the peak), the power supply 11 starts to discharge to supply power to the load, and from 16:00 to 18:00, the power of the power supply 11 reac...
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The invention discloses an emergency power supply system having an energy storage effect. The system comprises an emergency power module and a power supply module, wherein the emergency power module comprises a rechargeable battery unit, a charger unit, a boost unit, a monitoring unit and an AC / DC switch power supply, the rechargeable battery unit comprises an emergency power supply part and an energy storage part, the capacity of the energy storage part is 0.01-100% of the capacity of the emergency power supply part, the rechargeable battery unit is electrically connected with the boost unit,the charger unit is electrically connected with the rechargeable battery unit, the monitoring unit and the boost unit are electrically connected with the AC / DC switch power supply, the AC / DC switch power supply is electrically connected with the power supply module, and the power supply module is electrically connected with a load. With the system disclosed by the scheme, interrupt of load running can be prevented; and moreover, by difference between peak and valley of power, the utilization ratio of the emergency power supply system is improved, and the investment cost of equipment can be reduced by the different between peak and valley.
Description
technical field [0001] The invention relates to the technical field of power supply systems, in particular to a backup power supply system with energy storage function. Background technique [0002] In many key industries, such as banking, telecommunications, securities, etc., in order to ensure the safety and stability of online transactions and background databases, it is necessary to require the storage devices supporting these important businesses to work continuously and stably around the clock to achieve 24-hour uninterrupted operation. However, due to the risk of a sudden power failure of the main power supply, the data that is running or processed in many industries will be lost, causing a huge impact. Therefore, it is necessary to delay the backup of the main power supply, so that the backup power supply continues to supply power to the core system after the main power supply is cut off, so as to ensure the continuous and stable operation of the storage device and t...
Claims
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Login to View More IPC IPC(8): H02J9/06H02J3/32
CPCH02J3/32H02J9/06
Inventor 高鹏然秦平李祥辉向超耀胡金丰张华农
Owner SHENZHEN CENT POWER TECH