Method for increasing energy storage battery capacity of energy storage power station

A technology of energy storage battery and energy storage power station, applied in the field of energy storage power station, can solve the problem of occupying battery production cost, etc., and achieve the effect of increasing capacity

Pending Publication Date: 2021-11-23
HANGZHOU LINAN BEYONDER POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Battery manufacturers usually use AC mains to charge the battery after rectification, and use a resistive load to discharge the battery. The power consumption of the battery charging process occupies a certain production cost of the battery.

Method used

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  • Method for increasing energy storage battery capacity of energy storage power station
  • Method for increasing energy storage battery capacity of energy storage power station
  • Method for increasing energy storage battery capacity of energy storage power station

Examples

Experimental program
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Effect test

Embodiment Construction

[0037] combine figure 1 , the prior art battery energy storage power station is composed of a rectifier unit 2, an inverter unit 3, a system management computer 4, a fixed energy storage battery BATT, a DC power supply bus DC_BUS+, DC_BUS-, a data communication bus 485 and other circuits.

[0038] combine figure 2 The battery energy storage power station of the present invention consists of batteries batt-1 to batt-N to be charged and discharged in the battery production line, battery charge and discharge control units 1-1 to 1-N, rectifier unit 2, inverter unit 3, and system management computer 4 , fixed energy storage battery BATT, ammeter 5-1, ammeter 5-2, ammeter 5-3, ammeter 5-4, voltmeter 6, battery charge and discharge bus batt_BUS+, batt_BUS-, DC power supply bus DC_BUS+, DC_BUS-, data Communication bus 485 and other circuits;

[0039] The battery terminals batt+ and batt- of the battery charge and discharge control unit are connected to the batteries batt-1~batt-N ...

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PUM

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Abstract

The invention provides a method for fusing storage batteries in a charging process and a discharging process in a storage battery production process into a part of an energy storage battery of a storage battery energy storage power station so as to increase the capacity of the energy storage battery of the energy storage power station.

Description

technical field [0001] The invention relates to an energy storage power station, in particular to an energy storage power station using a storage battery as an energy storage carrier. Background technique [0002] Use the battery as the energy storage carrier, purchase electric energy from the AC grid to charge the energy storage battery during the valley power period of the AC grid, and output and sell the electric energy of the energy storage battery to the AC grid after inverting during the peak power period of the AC grid. It is an operation plan and profit model of energy storage power stations to obtain economic benefits by purchasing electricity price during the peak power period of the grid higher than the sales price during the off-peak power period. [0003] The battery energy storage power station has the advantages of mature technology, flexible site selection, large or small capacity, and short construction period. [0004] The existing battery energy storage p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/02H02J3/32H02J15/00
CPCH02J15/00H02J7/0013H02J7/0068H02J7/0063H02J7/0047H02J7/0048H02J7/02H02J3/32H02J3/008Y02P90/50
Inventor 王希华张宝明
Owner HANGZHOU LINAN BEYONDER POWER
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