Independent multi-bus alternating-current micro-grid control system

A control system and micro-grid technology, applied in the direction of AC network circuit, AC network load balancing, exchange data charger, etc., can solve the problem of single structure of independent micro-grid, reduce processing capacity and recording capacity, and improve safety performance Effect

Pending Publication Date: 2021-09-17
POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the existing independent microgrid structure is relatively simple and cannot be expanded according to actual needs

Method used

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  • Independent multi-bus alternating-current micro-grid control system
  • Independent multi-bus alternating-current micro-grid control system

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Embodiment Construction

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...

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Abstract

The invention provides an independent multi-bus alternating-current micro-grid control system. The independent multi-bus alternating-current micro-grid control system is composed of a main power grid end and a micro-grid expansion end, wherein the main power grid end comprises a first bus, and a synchronous generator, a DER module, a load and an energy storage unit which are arranged on the first bus in parallel; the micro-grid expansion end comprises a grid-connected point, a main switch and an interface switch which are sequentially connected in series, and the interface switch is used for being connected with a secondary power grid end; and the secondary power grid end comprises a second bus, and a synchronous generator, a DER module, a load and an energy storage unit which are arranged on the second bus in parallel. The energy storage unit comprises a plurality of energy storage battery packs; and each energy storage battery pack comprises a battery module, a management module, a temperature sensor, a negative temperature coefficient thermistor, an internal memory, a communication module and an external processing end.

Description

technical field [0001] The invention relates to a micro-grid structure, in particular to an independent multi-bus AC micro-grid control system. Background technique [0002] Microgrid refers to a small power generation and distribution system composed of distributed power sources, energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc. The proposal of microgrid aims to realize the flexible and efficient application of distributed power, and solve the problem of grid connection of distributed power with a large number and various forms. [0003] However, the existing independent microgrid structure is relatively simple and cannot be expanded according to actual needs. Contents of the invention [0004] The invention provides an independent multi-bus AC micro-grid control system, which can effectively solve the above problems. [0005] The present invention is achieved like this: [0006] An independent multi-bus AC microgrid cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32H02J7/00H02J9/06H02M7/66
CPCH02J3/381H02J3/32H02J7/00036H02J7/00716H02J7/007194H02J7/0068H02J9/06H02M7/66H02J2300/24H02J2300/28Y02E10/56
Inventor 黄银华王健刘峻徐振华罗新才陈友福石吉银廉彦超
Owner POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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