一种模块化储能装置

Abstract

本实用新型公开了一种模块化储能装置，包括储能系统主机和多个储能系统从机，所述储能系统主机与多个储能系统从机通讯连接；储能系统从机包括电池簇、从机能量管理系统和辅助系统，从机能量管理系统与电池簇及其辅助系统通讯连接，并控制管理电池簇及其辅助系统；储能系统主机包括主机能量管理系统，主机能量管理系统总控管理多个电池簇的电池管理系统以及从机能量管理系统，构成主从式储能系统。本实用新型通过模块化设计、主从式架构、高效通信与控制、增强的安全性和可靠性以及远程监控与管理等优势，有效解决了传统储能系统存在的复杂性、扩展性、通信与控制、安全性和远程管理等问题，为储能系统的广泛应用提供了有力支持。

Claims

1. A modular energy storage device, characterized by: The system includes a master energy storage system and multiple slave energy storage systems. The master energy storage system is communicatively connected to the multiple slave energy storage systems. Each slave energy storage system includes a battery cluster, a slave energy management system (5), and an auxiliary system. The slave energy management system (5) is communicatively connected to the battery cluster and its auxiliary system, and controls and manages the battery cluster and its auxiliary system. The master energy storage system includes a master energy management system (1), which centrally controls and manages the battery management systems (8) of the multiple battery clusters and the slave energy management systems (5), thus forming a master-slave energy storage system.

2. The modular energy storage device of claim 1, wherein: The main unit of the energy storage system also includes a main unit power supply system (2) and a main unit AC / DC smart meter system (3). The main unit energy management system (1) is electrically connected to the main unit power supply system (2) and the main unit AC / DC smart meter system (3) respectively. The auxiliary system includes a slave power supply system (6), a slave AC / DC smart meter system (7), a slave inverter system (9), a slave thermal management system (10), a slave fire protection system (11), and a slave security system (12). The slave energy management system (5) centrally manages the auxiliary system and the battery management system (8) of the battery cluster.

3. The modular energy storage device of claim 2, wherein: The multiple energy storage system slave devices are connected via broadcast communication. Each energy storage system slave device can obtain the status of all other energy storage system slave devices, including system alarm, fault, or protection status.

4. A modular energy storage device according to claim 2, characterized in that: The host energy management system (1), slave energy management system (5), battery management system (8) of the battery cluster, slave inverter system (9), slave thermal management system (10), slave fire protection system (11), and slave security system (12) are all equipped with multiple dry contacts. The dry contacts of the slave energy management system (5), battery management system (8) of the battery cluster, slave inverter system (9), slave thermal management system (10), slave fire protection system (11), and slave security system (12) are electrically connected to the dry contacts of the host energy management system (1) through series, parallel, or series-parallel circuits, so as to output the operating status of the slave of the energy storage system to the host energy management system (1) and realize the associated fault or protection action of the slave of the energy storage system.

5. The modular energy storage device of claim 4, wherein: The dry contact of the slave energy management system (5) or the battery management system (8) of the battery cluster can be directly output to the dry contact of the slave inverter system (9) to realize the internal protection shutdown of the slave of the energy storage system.

6. The modular energy storage device of claim 5, wherein: The host energy management system (1) is equipped with multiple independent network ports that are networked through a switch and connected to the slave inverter system (9) to realize direct scheduling of the slave inverter system (9).

7. The modular energy storage device of claim 6, wherein: The slave inverter system (9) is connected to the battery management system (8) of the battery cluster and performs charge and discharge management on the battery management system (8) of the battery cluster, thereby realizing distributed charge and discharge control of the battery management system (8) of the battery cluster in AC coupling scenarios.

8. The modular energy storage device of claim 4, wherein: The auxiliary system of the slave unit of the energy storage system does not have a slave inverter system, and the slave energy management system (5) does not perform charge and discharge management on the battery management system (8) of the battery cluster; the host unit of the energy storage system also includes a host inverter system (4), and the host energy management system (1) is electrically connected to the host inverter system (4). The host energy management system (1) realizes centralized charge and discharge control of the battery management system (8) of the battery cluster in the DC coupling scenario through the host inverter system (4).

9. The modular energy storage device of claim 1, wherein: The host energy management system (1) is equipped with a scheduling interface for receiving scheduling instructions from the upper-level SCADA system, scheduling system, or cloud platform system. When the upper-level system scheduling instruction is received, the host energy management system (1) executes the energy management strategy and, in conjunction with the status of the energy storage system slave reported by the slave energy management system (5) through communication or dry contact, schedules the energy storage system slave in real time.

10. The modular energy storage device of claim 9, wherein: Both the host energy management system (1) and the slave energy management system (5) are equipped with a wireless 4G / WIFI module and an antenna. The host energy management system (1) and the slave energy management system (5) are wirelessly connected to the SCADA system, dispatch system or cloud platform system through the wireless 4G / WIFI link to realize the data reporting of the energy storage device.

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