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Energy storage system and electric power system

An energy storage system and power system technology, applied in the field of energy storage systems and power systems, can solve problems such as system interruption, safety accidents, errors, etc., and achieve the effects of improving stability and suppressing communication delays

Pending Publication Date: 2021-05-28
黄俊星
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, among the known technical solutions, although there are technical solutions for whole-package utilization, these technical solutions are not mature, and there may be problems of system interruption or errors leading to safety accidents in actual operation

Method used

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  • Energy storage system and electric power system
  • Energy storage system and electric power system
  • Energy storage system and electric power system

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Embodiment Construction

[0024] The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0025] It should be understood that although the terms first, second, third etc. may be used in the present disclosure to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish elements of the same type from one another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure. As used herein, the term "and / or" is meant to include any combination o...

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Abstract

The invention discloses an energy storage system and an electric power system. The energy storage system can be arranged in the electric power system, and comprises an energy storage unit which is provided with a battery device and a direct current conversion module, and a local control device, wherein the battery device is provided with a battery pack and an original battery management system; the direct current conversion module is provided with a first control device and a first electrical part, and the battery pack is connected to a direct current bus of the electric power system through the first electrical part; the local control device is respectively in communication connection with the battery management system and the first control device, and is used for managing the battery management system and the first control device; and the local control device is in communication connection with a main control device of the electric power system. Data transmitted to the main control device can be reduced, the problems of communication delay, congestion and loss can be suppressed to at least a certain extent, and the stability of the energy storage system is improved.

Description

technical field [0001] The invention relates to the technical field of electric power, in particular to an energy storage system and an electric power system. Background technique [0002] New energy vehicle technology has been vigorously developed in recent years. However, with the rapid development of new energy vehicles, it also brings about the problem of how to deal with decommissioned power batteries. In fact, the service life of lithium batteries in automobiles is generally 4-8 years, and then they are replaced due to capacity decay that cannot meet the power and range requirements. The replaced batteries basically still have 70%-80% of the remaining capacity, and can also be downgraded and used in other occasions through technical means, such as static energy storage. This is the origin of the concept of "cascade utilization, cascade utilization, and secondary utilization". [0003] Due to various brands and shapes of batteries, and inconsistent communication inte...

Claims

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Application Information

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IPC IPC(8): H02J3/32H02J3/38H02J13/00
CPCH02J3/32H02J3/322H02J3/381H02J3/388H02J13/00001H02J13/00002H02J2300/24H02J2310/48Y04S10/14Y02E60/00Y02E10/56
Inventor 黄俊星
Owner 黄俊星