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Battery charging method and terminal based on optical storage diesel microgrid system

A battery power and micro-grid technology, applied in battery circuit devices, photovoltaic power generation, current collectors, etc., to achieve the effects of ensuring stability, improving system efficiency, and reducing energy conversion

Pending Publication Date: 2022-08-02
CONTEMPORARY NEBULA TECH ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a battery power supply method and terminal based on the optical storage and firewood micro-grid system, so as to avoid the problem that the optical storage micro-grid system cannot be restarted due to severe power feeding of the energy storage battery in bad weather

Method used

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  • Battery charging method and terminal based on optical storage diesel microgrid system
  • Battery charging method and terminal based on optical storage diesel microgrid system
  • Battery charging method and terminal based on optical storage diesel microgrid system

Examples

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Effect test

Embodiment 1

[0066] Please refer to figure 1 as well as Figure 3 to Figure 5 , the first embodiment of the present invention is:

[0067] like image 3 As shown, the light-storage diesel microgrid system includes a light-storage microgrid system, a diesel generator and an energy management system, wherein the light-storage microgrid includes an AC power distribution unit, an energy storage converter, a battery energy storage unit, and a photovoltaic inverter. and photovoltaic modules. Not shown in the figure is that the energy management system is electrically connected to the optical storage microgrid system, the diesel generator, the rectifier and the ATS automatic transfer switch, and the energy management system is used to control the entire Optical storage diesel microgrid for power management.

[0068] Among them, the energy storage converter operates off-grid, and the off-grid output is inverted by the energy storage battery to provide stable AC power for the optical storage mi...

Embodiment 2

[0095] Please refer to figure 2 , the second embodiment of the present invention is:

[0096] A battery charging terminal based on an optical storage diesel microgrid system, comprising a processor, a memory and a computer program stored in the memory and running on the processor, when the processor executes the computer program The steps in the first embodiment above are implemented.

Embodiment 3

[0097] Please refer to image 3 , the third embodiment of the present invention is:

[0098] A light-storage diesel microgrid system, comprising an optical-storage microgrid system, a diesel generator, an energy management system, a rectifier, an ATS automatic transfer switch, a primary load and a secondary load;

[0099] The light-storage microgrid includes an AC power distribution unit, an energy storage converter, a battery energy storage unit, a photovoltaic inverter and a photovoltaic assembly, the photovoltaic assembly is connected to the photovoltaic inverter, and the energy storage battery unit connected with the energy storage converter, the energy storage current device and the photovoltaic inverter are connected with an AC cable, and connected with the ATS automatic transfer switch through the AC cable;

[0100] The optical storage microgrid system and the diesel generator are respectively electrically connected to the ATS automatic transfer switch, and the automat...

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Abstract

The invention discloses a battery charging method and terminal based on an optical storage diesel micro-grid system. The method comprises the following steps: monitoring the battery electric quantity of the optical storage micro-grid system in real time; when the generating capacity of a photovoltaic inverter in the optical storage micro-grid system is lower than the power consumption of the optical storage micro-grid system and the power of a battery is lower than a first threshold value, a diesel generator is controlled to supply power to an electrical load of a user, a rectifier is controlled to be electrically connected with the diesel generator, and the rectifier is started and controlled to output current to supply power to the optical storage micro-grid system. Enabling the battery to be in a non-charging and non-discharging state or a charging state with a current lower than a preset current threshold value; when the electric quantity of the battery is lower than the preset first threshold value, the diesel generator supplies power to the user load, and meanwhile, the rectifier is introduced, so that the diesel generator can supply power to the optical storage micro-grid system, the problem that the optical storage micro-grid system cannot be restarted due to serious power feeding of the energy storage battery in severe weather is solved, and the service life of the optical storage micro-grid system is prolonged. And the stability of the optical storage micro-grid system is ensured.

Description

technical field [0001] The invention relates to the technical field of electric power control, in particular to a battery power supplement method and terminal based on an optical diesel storage micro-grid system. Background technique [0002] In the early days, in areas where the power grid could not be laid, such as remote mountainous areas or islands, electricity consumption was a big problem. Local residents usually purchased diesel generators to generate electricity. The amount of diesel used is high and the economic cost is high, and a large amount of air is generated when diesel is burned. Pollutants destroy our living environment. [0003] Photovoltaic power generation has become the first choice for green energy configuration. However, in areas without power grids, it is impossible to directly integrate the AC power generated by photovoltaics into the power grid. At this time, an energy storage system needs to be configured. Charge and discharge. [0004] The photo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32H02J3/24H02J7/00H02J13/00
CPCH02J3/381H02J3/32H02J3/24H02J7/00712H02J13/00032H02J2300/24H02J2300/10H02J2300/40Y02E70/30
Inventor 许清荣练净雯廖敏星
Owner CONTEMPORARY NEBULA TECH ENERGY CO LTD
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