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Virtual energy storage power station control method based on distributed zinc-bromine flow battery of base station

A technology of zinc-bromine flow battery and virtual energy storage, which is applied in the direction of battery disconnection circuit, battery circuit device, battery over-discharge protection, etc. It can solve the problem that it is difficult to meet the power demand of base station communication equipment and air conditioner, and the flow battery cannot maintain Long-term power supply, long-term insufficient mains power supply and other problems, to achieve low cost, low heat management difficulty, and good reliability

Pending Publication Date: 2021-07-02
HARBIN INST OF TECH
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Problems solved by technology

2) When the mains power supply is insufficient for a long time due to natural disasters such as earthquakes and floods, and the flow battery cannot maintain long-term power supply (more than 10 hours), it is difficult to meet the power demand of base station communication equipment and air conditioners
It is very expensive to solve this problem by building a dedicated battery energy storage power station, the investment cost is about 1200 yuan / kWh, and the charging and discharging cost is about 0.5 yuan / kWh

Method used

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  • Virtual energy storage power station control method based on distributed zinc-bromine flow battery of base station
  • Virtual energy storage power station control method based on distributed zinc-bromine flow battery of base station
  • Virtual energy storage power station control method based on distributed zinc-bromine flow battery of base station

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Embodiment Construction

[0057] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the present invention. within the scope of protection.

[0058] The present invention provides a virtual energy storage power station based on base station distributed zinc-bromine liquid flow battery, combined below Figure 1-Figure 3 Specifically explain the overall composition of the virtual energy storage power station based on the distributed zinc-bromine flow battery architecture of the communication base station and the specific composition of each unit. The virtual energy storage power station of the present invention includes: (1) distributed battery architecture topology design of the base station, ...

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Abstract

The invention discloses a virtual energy storage power station control method based on a distributed zinc-bromine flow battery of a base station, and the method comprises the steps: carrying out the inversion control of an energy storage battery based on the real-time monitoring state information of the energy storage battery of the base station and a power distribution network through a distributed battery architecture of the virtual energy storage power station, and achieving the energy feedback between the energy storage battery and the power distribution network. The uninterruptible power supply requirement of the base station under the condition of insufficient power supply or power failure of the power distribution network is met, the problem of power supply line faults of the communication base station caused by high-voltage line construction of a power supply department or abnormal disasters is solved, the cost of standby power generation equipment of the base station is effectively reduced, and the operation reliability of the base station system is enhanced. The method is suitable for solving the problem that power supply of base station communication equipment and an air conditioner is difficult to meet when long-time mains supply is insufficient due to earthquake, flood and other natural disasters, the power supply time of an energy storage battery is too long, and a standby diesel generator cannot be put into work in time due to on-site traffic.

Description

technical field [0001] The invention belongs to the field of power electronics and smart grid control, and relates to a control method for a virtual energy storage power station based on a distributed zinc-bromine liquid flow battery architecture of a communication base station. Background technique [0002] The communication base station is the infrastructure for guaranteeing communication, and requires 24-hour uninterrupted work. At present, most communication base stations use an uninterrupted power supply system composed of mains power and battery packs, in which the power of communication equipment is generally 2.5kW / 40VDC, and the power of air conditioners is 2.5kW / 380VAC. Under normal circumstances, the communication equipment and air conditioner are powered by the mains, and the power is supplied by the liquid flow battery pack (or diesel generator) within 10 hours of the mains failure. The following problems need to be solved urgently: 1) When the mains power suppl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06H02J7/34H02J7/00H02J3/32H02J13/00
CPCH02J9/06H02J7/34H02J7/0063H02J7/00306H02J7/0031H02J7/0069H02J3/32H02J13/00002H02J13/00022Y04S10/14Y04S20/20Y02E60/00Y02B70/30
Inventor 王立国韩亚凯
Owner HARBIN INST OF TECH
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