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Reserve battery to provide power for subsea applications

A storage battery, battery technology, applied in the field of backup batteries used to power subsea applications, can solve problems such as loss

Inactive Publication Date: 2015-05-06
艺格比奇技术公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although rechargeable batteries have the ability to be recharged, these batteries lose their ability to hold the same original charge as the battery ages and / or is used

Method used

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  • Reserve battery to provide power for subsea applications
  • Reserve battery to provide power for subsea applications
  • Reserve battery to provide power for subsea applications

Examples

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Embodiment Construction

[0037] Exemplary embodiments provide an apparatus and method for using reserve batteries to provide backup or supplemental power for subsea applications. The invention is applicable to a variety of subsea applications including, for example, point-of-load power distribution, hybrid power systems, and back-ups such as for powering emergency blowout preventers (or for providing backup power to them) in any critical system. Therefore, while the present invention will be described as being used with an emergency blowout preventer in which the piping is sealed to prevent oil / gas from blowing out, this is only an example. The present invention is applicable to various emergency situations, long-term storage situations, and situations requiring battery reliability. The following exemplary applications will be discussed with respect to shear RAM BOPs, pipe RAM BOPs and annular BOPs. However, the application is not limited to the use of these BOP types, but also includes any other BOP...

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PUM

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Abstract

A subsea system includes an electrically powered control system for controlling the subsea system and a replaceable reserve battery electrically coupled to the control system to provide backup and / or supplemental power to the control system when the reserve battery is activated. The reserve battery is provided in a housing having a first coupling, the subsea system includes a second coupling, and the first and second couplings are detachably connectable to each other and include electrical connections so that the reserve battery is replaceable while the subsea system remains below the sea-surface.

Description

technical field [0001] This disclosure relates to the use of battery backup to power subsea power functions such as in subsea oil drilling applications where power is required for many purposes such as for emergency blowout preventers, point of load power distribution, hybrid systems , Supplementary power supply, backup key system, etc. power supply. The invention is applicable to any subsea power function that requires the use of batteries that degrade over time, making it advantageous to use reserve batteries that do not degrade until activated. Background technique [0002] Over time, primary cell degradation results in a reduction in the battery's ability to hold and deliver charge to a load. Due to the active state of the primary battery, the battery will lose efficacy as the battery ages. Similarly, rechargeable batteries degrade over time. While rechargeable batteries have the ability to be recharged, these batteries lose their ability to hold the same original cha...

Claims

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Application Information

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IPC IPC(8): H01M2/30H01M50/296
CPCH01M6/36H01M6/425H01M6/38H01M50/296E21B41/0007
Inventor 约翰·班尼特格雷格·米勒迈克·帕罗特吉姆·费拉罗格雷格·柯克达美施·巴克塔唐纳德·斯科特·孔罗德
Owner 艺格比奇技术公司
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