Renewable energy storage system

A renewable energy and energy storage system technology, applied in the direction of energy storage, electric energy storage system, single-net parallel feeding arrangement, etc., can solve problems such as over-discharging, over-charging of single cells, and affecting the normal charging and discharging of battery packs, etc. To achieve the effect of improving system performance

Inactive Publication Date: 2017-03-22
SHENZHEN TIEON ENERGY TECH
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Problems solved by technology

[0003] However, the battery packs in current renewable energy storage systems are generally composed of multiple batteries connected in series. The use of batteries in series requires high consistency in the specification parameters and newness of the batteries. Batteries with differen

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] The terms "comprising" and any variations thereof in the description and claims of the present invention and the above drawings are intended to cover non-exclusive inclusion. For example, a process, method or system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also inc...

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Abstract

The invention provides a renewable energy storage system, including a renewable energy power generation module, a power control module, a direct current bus, a plurality of charging and discharging control modules, a direct and alternating current inverter module, an alternating current bus and an energy management module. Each of the plurality of charging and discharging control modules includes a DC/DC conversion unit and an electric power storage battery connected with the DC/DC conversion unit. The renewable energy storage system provided by the invention adopts a single DC/DC conversion unit and a single electric power storage unit to form one independent charging and discharging control module, then the plurality of charging and discharging control modules are connected in parallel and charging and discharging control is separately performed on each electric power storage unit through the energy management module, system performance can be effectively improved and batteries with different specification parameters and newness degrees can be used at the same time.

Description

technical field [0001] The embodiments of the present invention belong to the technical field of renewable energy storage, and in particular relate to a renewable energy storage system. Background technique [0002] With the worsening of the earth's environment, non-renewable resources such as coal and oil are increasingly scarce. The use of renewable energy such as light energy and wind energy to generate electricity has become the best way to alleviate energy scarcity. Various renewable energy systems emerge in endlessly. A renewable energy storage system generally consists of renewable energy power generation components, power controllers, storage battery packs and AC / DC inverters. [0003] However, the battery packs in current renewable energy storage systems are generally composed of multiple batteries connected in series. The use of batteries in series requires high consistency in the specification parameters and newness of the batteries. Batteries with different spe...

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Application Information

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IPC IPC(8): H02J15/00H02J7/00H02J3/38
CPCH02J3/38H02J7/00H02J7/0024H02J15/00Y02E70/30
Inventor 方耿
Owner SHENZHEN TIEON ENERGY TECH
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