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Energy storage power supply auxiliary power supply system and operation method thereof

A technology of energy storage power supply and power supply system, applied in the direction of continuous discharge of batteries, battery circuit devices, collectors, etc., can solve the problems of increased power consumption, high current capacity of cables, easy to heat, etc., to reduce the one-time investment cost, The effect of improving reliability and service life

Pending Publication Date: 2021-01-05
包头昊明稀土新电源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now denser base stations mean higher energy consumption
The energy consumption of a 5G single station is 2.5 to 3.5 times that of a 4G single station. In the future, the large-scale construction and operation of 5G base stations will increase the power consumption. High energy consumption is a major operational challenge for 5G networks.
The traditional base station adopts a DC 48V energy storage power system, which can adapt to low load power. However, when the load power is greater than 1000W, the DC 48V is converted into the AC 220V working voltage, which not only consumes high energy consumption, but also works for a long time. The cable withstands high current and is prone to heat, and it is also prone to aging

Method used

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  • Energy storage power supply auxiliary power supply system and operation method thereof
  • Energy storage power supply auxiliary power supply system and operation method thereof
  • Energy storage power supply auxiliary power supply system and operation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, this embodiment provides an auxiliary power supply system for an energy storage power supply, which is suitable for supplying power from an auxiliary power supply. , does not supply power to the electric load, and the power supply can charge the energy storage power supply. The power supply includes commercial power or photovoltaic power generation, and the power supply is connected to the electric load to supply power for the electric load.

[0029] Including energy storage power supply, power control module, battery management module.

[0030] The energy storage power supply includes at least two sets of battery packs, which can be connected in parallel. Each set of battery packs is formed by a number of batteries connected in series. The voltage after series connection can be 192V. Several battery packs are neatly arranged in the battery box. The battery can be used as Ni-MH battery, capacitive Ni-MH battery or rare earth new power supply...

Embodiment 2

[0037] Such as figure 2 As shown, this embodiment provides an operation method of an energy storage power supply auxiliary power supply system, and on the basis of Embodiment 1, an operation method corresponding to the system in Embodiment 1 is provided.

[0038] Include the following steps:

[0039] Step 1: Each battery pack of the energy storage power supply is connected to the power control module and the battery management module through a low-voltage circuit; the two modules are powered on in turn, the energy storage power supplies power to the two modules through the low-voltage circuit, and the logic program self-checks and run. This step is to start the power control module and battery management module.

[0040]Step 2: The charging end of each battery pack is connected to the power supply, the discharge end is connected to the electric load, and the power supply is connected to the electric load. This step is to start the charging and discharging work of the energ...

example 1

[0057] The energy storage power supply includes: Ni-MH batteries, battery boxes, battery management modules and power control modules. Collecting Ni-MH battery information, the battery management module and power control module can independently run the control logic to control its charge and discharge.

[0058] The operation method of the 192V energy storage power supply includes the following steps:

[0059] (1) The low-voltage circuit of the 192V energy storage power supply is connected, the battery management module is powered on first, and then the low-voltage circuit of the power control module is connected, the power control module is powered on, and the logic programs of the two modules self-check and run;

[0060] (2) After restarting or powering on for the first time, the battery management module automatically allows charging and discharging by default, and the Ni-MH battery charge SOC50% by default; the battery management module transmits the collected Ni-MH batter...

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Abstract

The invention provides an energy storage power supply auxiliary power supply system and an operation method thereof, and the system comprises: an energy storage power supply which comprises a plurality of storage battery packs, wherein the charging end of each storage battery pack is connected with a power supply, and the discharging end of each storage battery pack is connected with an electric load; a power control module which is connected with each storage battery pack through a low-voltage circuit, and is used for collecting the electric quantity value of the power supply and the electricity demand quantity of the electricity load, comparing the electric quantity value of the power supply with the electricity demand quantity of the electricity load, and controlling the charging and discharging of each storage battery pack according to the comparison result; and storage battery packs, wherein each storage battery pack is connected with one battery management module through a low-voltage circuit to collect the electric quantity values of the storage battery packs and control charging and discharging of the storage battery packs according to the electric quantity values of the storage battery packs, and the power supply is connected with the electric load. The reliability and the service life of the high-voltage energy storage power supply can be effectively improved and prolonged.

Description

technical field [0001] The present invention relates to the technical field of power supply applications, and more specifically, to an auxiliary power supply system of an energy storage power supply and an operating method thereof. Background technique [0002] In a mobile communication network, base stations are major consumers of power, and about 80% of energy consumption comes from widely distributed base stations. Now more dense base stations means higher energy consumption. The energy consumption of a 5G single station is 2.5 to 3.5 times that of a 4G single station. In the future, the large-scale construction and operation of 5G base stations will increase the power consumption. High energy consumption is a major operational challenge for 5G networks. [0003] The State Grid invests a huge amount of electricity in the base station, but the grid is also unstable. When the power supply of the grid is unstable or insufficient, the base station will use the energy storage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0068H02J7/0063H02J7/0013H02J7/0025
Inventor 蒋志军袁爱东吴保华毕野兰刚李文峰侯传宝
Owner 包头昊明稀土新电源科技有限公司
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