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CLC number: TM131.3; TM722

On-line Access: 2012-08-02

Received: 2011-12-27

Revision Accepted: 2012-04-16

Crosschecked: 2012-07-06

Cited: 13

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Journal of Zhejiang University SCIENCE C 2012 Vol.13 No.8 P.613-623


Development of a direct current power system for a multi-node cabled ocean observatory system

Author(s):  Yan-hu Chen, Can-jun Yang, De-jun Li, Bo Jin, Ying Chen

Affiliation(s):  State Key Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   yanhuchen@zju.edu.cn, ycj@zju.edu.cn, Li_dejun@zju.edu.cn, bjin@zju.edu.cn, ychen@zju.edu.cn

Key Words:  Cabled ocean observatory system, DC power system, Heat dissipation, Deep sea

Yan-hu Chen, Can-jun Yang, De-jun Li, Bo Jin, Ying Chen. Development of a direct current power system for a multi-node cabled ocean observatory system[J]. Journal of Zhejiang University Science C, 2012, 13(8): 613-623.

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A1 - Yan-hu Chen
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Due to the shortage of suitable research methods for real-time and long-term observation of oceans, an innovative approach that can provide abundant power and wide bandwidth is being developed worldwide for undersea instruments. In this paper, we develop a direct current (DC) power system which is applied to a multi-node cabled ocean observatory system named ZERO (Zhejiang University Experimental and Research Observatory). The system addresses significant issues ranging from terrestrial facility to subsea infrastructure, and focuses on using appropriate methods to deal with several key challenges, including delivery, conversion, distribution, and management of power, and heat dissipation in pressure vessels. A basic laboratory platform consisting of a shore station, a primary node in a water tank, and a secondary node in a deep-sea simulation chamber under 42 MPa pressure was built and fully tested. An improved secondary node was deployed in Monterey Bay in California for a deep-sea trial. An 11-day laboratory test and a half-year sea trial proved that the DC power system based on our proposed methods is viable for the underwater multi-node observatory system.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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