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Arrangement for subsea housing of electric components and manufacturing of the same

An electrical component, a part of technology, applied in the field of accommodation of electrical components, capable of solving problems such as pressure compensation subsea installations not explicitly mentioned

Inactive Publication Date: 2017-05-10
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The document deals with the subsea oil and gas industry but does not explicitly mention pressure compensated subsea installations

Method used

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  • Arrangement for subsea housing of electric components and manufacturing of the same
  • Arrangement for subsea housing of electric components and manufacturing of the same
  • Arrangement for subsea housing of electric components and manufacturing of the same

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Embodiment Construction

[0037]The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which certain embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of illustration so that this disclosure will be thorough and complete, and will convey to Those skilled in the art will fully convey the scope of the present invention. Like numbers refer to like elements throughout the specification.

[0038] Figure 6 is a schematic diagram showing a pressure compensated subsea installation 10 for housing electrical components according to one embodiment. The embodiments disclosed herein are based on the use of an insulating liquid solution which, in addition to having excellent dielectric properties for high voltage applications, also has properties at high pressure and low temperatur...

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Abstract

There is provided a pressure compensated subsea arrangement (10) for housing of electric components. The arrangement comprises a pressure compensated housing (20). The pressure compensated housing is filled with a dielectric liquid (30). The arrangement comprises at least one electric component (40). The at least one electric component is provided inside the pressure compensated housing. The dielectric liquid is a hydrocarbon dielectric liquid comprising isoparaffin. There is also provided a method of manufacturing such an arrangement.

Description

technical field [0001] The present invention relates to the containment of electrical components, and in particular to pressure compensated subsea installations for containing electrical components. Embodiments presented herein also relate to the fabrication of such devices. Background technique [0002] The oil and gas industry is continually looking for more dispersed, deeper and smaller fields on the seabed and farther from shore. This has led to a strong interest in the development of subsea technologies that enable cost-effective deep-sea oil / gas extraction and recovery. Today, the power electronics used to drive large compressor and pump loads are at atmospheric pressure ashore or on platforms with long cable connections. Over the past few years, the concept of pressure compensation has been widely discussed for subsea technology. In a pressure-compensated system, electrical components (such as power conversion units) and associated electronic circuits will be arran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/01H01B3/22H05K7/20
CPCE21B43/01H01B3/22H05K7/20236H05K7/20927H05K7/14337H01B3/18E21B41/0007H05K5/067
Inventor S·辛哈T·拉内里德T·格拉汀格尔H·伦登曼
Owner ABB (SCHWEIZ) AG
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