Storage battery online maintenance system based on three-port charging and discharging machine

A maintenance system, charging and discharging machine technology, applied in the electric power field, can solve the problems of high labor cost, large number of battery packs, etc., and achieve the effect of improving reliability and stability, and simple and flexible control mode

Active Publication Date: 2017-09-22
SHENZHEN AUTO ELECTRIC POWER PLANT
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  • Abstract
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  • Application Information

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Problems solved by technology

In the DC power system of the power system, remote control switches are generally not allowed. Therefore, the operation of these switches requires on-site manual operation by professional

Method used

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  • Storage battery online maintenance system based on three-port charging and discharging machine
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  • Storage battery online maintenance system based on three-port charging and discharging machine

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to realize the present invention, and are not intended to limit the present invention.

[0038] Aiming at the problems existing in the prior art, the present invention proposes a storage battery online maintenance system based on a three-port charging and discharging machine. The storage battery online maintenance system uses a system monitor to realize automatic online maintenance of the maintenance system. The system is configured with a three-port charging and discharging system. Motor, start the three-port charging and discharging machine during battery maintenance to provide conditions for battery maintenance. At the same time, when the charger in the system fails,...

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Abstract

The invention relates to a storage battery online maintenance system based on a three-port charging and discharging machine, which comprises a first battery inspection instrument, a second battery inspection instrument, an alternating current network, the three-port charging and discharging machine and a system monitor, wherein the first battery inspection instrument is connected with a first storage battery pack; the second battery inspection instrument is connected with a second storage battery pack; the alternating current network provides an alternating current for a direct current power supply system; the three-port charging and discharging machine is respectively connected with the first storage battery pack, the second storage battery pack and the alternating current network, provides conditions for online maintenance of the first storage battery pack or the second storage battery pack and outputs discharge capacity of the first storage battery pack or the second storage battery pack to the alternating current network; and when the first storage battery pack or the second storage battery pack meets the online maintenance conditions, the system monitor outputs a maintenance control instruction according to a preset rule to start the three-port charging and discharging machine to carry out online maintenance on the first storage battery pack or the second storage battery pack. According to the scheme, storage batteries can be simply, reliably and automatically maintained on line, and the storage battery online maintenance system is low in cost, flexible and efficient.

Description

technical field [0001] The invention relates to the field of electric power, and more specifically relates to an online storage battery maintenance system based on a three-port charging and discharging machine. Background technique [0002] With the development of science and technology and the improvement of practical application requirements, the reliability requirements of the power system are also continuously increasing. Among them, the battery pack as an energy storage device is essential. When an accident occurs at the AC power supply end of the power system and the AC power is cut off , the battery pack will act as a power output terminal to ensure the normal operation of the electrical equipment on the DC bus and avoid the expansion of the impact of the accident. Therefore, the reliable operation of the battery pack is an important guarantee for the reliable operation of the power system. In view of the importance of the battery pack, in order to ensure the long-te...

Claims

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Application Information

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IPC IPC(8): H02J7/00
CPCH02J7/0022Y02E60/10
Inventor 王凤仁张文勇
Owner SHENZHEN AUTO ELECTRIC POWER PLANT
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