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Building energy storage emergence energy-saving system

An energy storage system and energy-saving system technology, applied in the direction of AC network load balancing, electric vehicles, electrical components, etc., can solve problems such as insufficient emergency power, short emergency time, and battery performance degradation, so as to improve emergency support capabilities and reduce consumption Power consumption and the effect of reducing operating costs

Active Publication Date: 2015-04-01
NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHEN ZHEN LTD CO
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Problems solved by technology

[0003] However, the existing backup power devices such as UPS or EPS usually have the following problems: (1) The battery system for energy storage in UPS or EPS is in a low current floating charge state for a long time, resulting in a decline in battery performance; (2) lack of protection for the battery For dynamic use monitoring, the state of emergency capability provided by the battery at a certain moment is often unclear and inaccurate. Once emergency use is required, it cannot meet the demand well, the emergency time is short or the emergency power is insufficient; (3) In addition to providing emergency functions, The backup power supply has no other functional value, does not generate any economic benefits, and consumes a lot of energy

Method used

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings.

[0032] refer to figure 1 , The building energy storage emergency energy-saving system is composed of three parts: energy storage system, UPS host, and management system;

[0033] The energy storage system is used to store electrical energy, and as backup electrical energy, it is released to supply power to loads when the mains fails to supply power.

[0034] The rated capacity of the energy storage system satisfies the conditions: 1.10≤Rated capacity of the energy storage system*(1-total cycle times within the service life*capacity decay rate of the energy storage system per unit cycle)*discharge efficiency of the energy storage system*UPS host power conversion efficiency / backup emergency Required theoretical capacity ≤ 2.00.

[0035] Energy storage system capacity decay rate per unit cycle = average decrease in energy storage system capacit...

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Abstract

A building energy storage emergency energy-saving system is composed of an energy storage system, a UPS host computer, and a management system. According to the building energy storage emergency energy-saving system, an emergence backup power supply device is operated and managed, so that the system not only has a pure emergence function, but also has additional energy-saving daily functions; a real-time state is monitored, so that emergence ability is ensured; dynamic operation and management are used for maintaining the stability of performance and prolonging service life.

Description

technical field [0001] The invention relates to a building energy storage emergency energy-saving system, in particular to a building energy storage emergency energy-saving system mainly used in hospitals, banks, government office buildings and other buildings to provide emergency power for a class of loads. Background technique [0002] In order to protect people's personal and property safety, for primary loads such as fire-fighting facilities, emergency lighting, accident lighting, etc., in addition to the power supply provided by ordinary mains, UPS or EPS devices are often installed to provide emergency backup power. When a failure occurs and the normal power supply cannot be supplied, it will be switched to the emergency backup power supply to maintain the normal use of the primary load. [0003] However, the existing backup power devices such as UPS or EPS usually have the following problems: (1) The battery system for energy storage in UPS or EPS is in a low current ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/28H02J7/00
Inventor 刘宏兵周树良陈杰胡顺华张传利夏敏王宏
Owner NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHEN ZHEN LTD CO
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