A method for removing damaged batteries without power failure of battery packs in substations
A technology for battery packs and batteries, which is applied in the direction of terminal battery switching devices, etc., and can solve problems such as the inability to guarantee the backup working status of the battery pack
Active Publication Date: 2021-05-14
SHAOWU POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER +2
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Problems solved by technology
[0011] 3) For unit batteries with sudden severe overheating failures, especially those with open-circuit failures, it is not possible to automatically switch the normal and qualified spare batteries first, isolate the failed battery units, and then notify the maintenance personnel to come and replace them. There is no guarantee that the battery pack is in good standby working condition
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[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0035] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0036] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...
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The invention relates to a method for removing damaged storage batteries without power failure in a substation storage battery. The infrared detection module is used to monitor the temperature of each storage battery in real time. When the temperature of a certain storage battery is higher than the first preset value, the current storage battery is kept working status, and notify the staff to be vigilant; when the temperature of a battery is higher than the second preset value, use the guide rail bus to move the spare battery group to the battery, and connect the spare battery in parallel through two switching electromagnetic switches. At both ends of the two accumulators at the two ends of the accumulator, after closing the two transfer electromagnetic switches, disconnect the two isolating electromagnetic switches at both ends of the accumulator, cut the accumulator out of the accumulator group, and use a spare accumulator instead battery. The invention can replace the faulty storage battery unit without exiting the running state of the battery pack.
Description
technical field [0001] The invention relates to the field of substation design, in particular to a method for removing damaged storage batteries without power failure of a storage battery set in a substation. Background technique [0002] The battery pack in the substation plays an extremely important and indispensable role. The power supply for the secondary protection device, monitoring, measuring instrument, communication and switch operation device, emergency lighting, etc. of the high-voltage equipment in the substation is usually carried by the DC charging device. And float charge the battery pack, the battery pack is in the standby state of floating charge, but in the accident state of AC power failure (the DC charging device is charged by AC rectification and filtering), the battery pack is the only power supplier. If there is a problem and the power supply cannot be normal, the substation will face paralysis or even a major accident, causing heavy losses. [0003] ...
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IPC IPC(8): H02J7/36
CPCH02J7/36
Inventor 林晓铭梁富光宋仕江顾平良陈君陈领陶一军陈华忠阮肇华何捷赖琦林跃
Owner SHAOWU POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER