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Energy storage cluster control system and energy storage system

A technology of cluster control and cluster controller, which is applied in the field of power system frequency regulation

Inactive Publication Date: 2017-06-20
NIO ANHUI HLDG CO LTD
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Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the technical problem of how to meet the platform architecture of multiple energy storage units in parallel and the fast real-time and synchronization of the frequency modulation control requirements of the generator sets, a frequency modulation system for power grid generator sets is provided. energy storage cluster control system

Method used

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  • Energy storage cluster control system and energy storage system

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Embodiment Construction

[0024] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

[0025] The basic idea of ​​the embodiment of the present invention is to adopt the idea of ​​layered distributed design, based on optical fiber Ethernet technology and industrial field bus technology, to design the communication network of the control system and divide the functions rationally.

[0026] The energy storage cluster control system of the embodiment of the present invention can be applied to an energy storage system using two or more energy storage units connected in parallel for power grid frequency regulation. Among them, each energy storage unit can operate independently of each other but is controlled by the upper layer contro...

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Abstract

The invention relates to an energy storage cluster control system and an energy storage system. The energy storage cluster control system is used for frequency modulation of a power grid generating set. In the energy storage cluster control system, an energy storage cluster controller is used for receiving an adjusting power value and a frequency modulation control command and the current volume and state of an energy storage unit, receiving the information of an energy storage current transformer and a cell management system in real time, and sending a first command to an energy storage unit controller; the energy storage unit controller is used for receiving the first command and the information sent from the energy storage current transformer and the cell management system to make a judgment to generate a first control signal, and sending the first control signal to the energy storage current transformer to perform charge-discharge control; and the energy storage current transformer is used for receiving the first control signal, and timely sending the information of internal and external equipment to the energy storage unit controller. By means of the technical scheme, the energy storage cluster control system and the energy storage system can solve the technical problem of how to satisfy quick timeliness and synchronism of the frequency modulation control demand of a platform configuration with a plurality of energy storage unit in parallel and a generating set.

Description

technical field [0001] The invention relates to the technical field of power system frequency regulation, in particular to an energy storage cluster control system and an energy storage system. Background technique [0002] At present, based on the rapid development of the power grid, the requirements for power system frequency modulation units are gradually increasing. The battery energy storage system has the ability of fast two-way power regulation, which can meet the needs of high-frequency short-term fast two-way power regulation. Therefore, the use of energy storage systems to assist generator set frequency regulation has become A new technology development and application trend. [0003] Based on the technical characteristics and safety considerations of the battery energy storage system, it is not suitable to use a single large-scale battery in parallel to form a large-capacity energy storage system solution; and the generator set has a large power demand for the ene...

Claims

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Application Information

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IPC IPC(8): H02J3/32
CPCH02J3/32
Inventor 张建兴
Owner NIO ANHUI HLDG CO LTD
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