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CLC number: TP202
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2019-11-12
Cited: 0
Clicked: 6307
Citations: Bibtex RefMan EndNote GB/T7714
Power system design for constant current subsea observatories
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Yan-hu Chen, Sa Xiao, De-jun Li. Power system design for constant current subsea observatories[J]. Frontiers of Information Technology & Electronic Engineering, 2019, 20(11): 1505-1515.
@article{title="Power system design for constant current subsea observatories",
author="Yan-hu Chen, Sa Xiao, De-jun Li",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="20",
number="11",
pages="1505-1515",
year="2019",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1800362"
}
%0 Journal Article
%T Power system design for constant current subsea observatories
%A Yan-hu Chen
%A Sa Xiao
%A De-jun Li
%J Frontiers of Information Technology & Electronic Engineering
%V 20
%N 11
%P 1505-1515
%@ 2095-9184
%D 2019
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1800362
TY - JOUR
T1 - Power system design for constant current subsea observatories
A1 - Yan-hu Chen
A1 - Sa Xiao
A1 - De-jun Li
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 20
IS - 11
SP - 1505
EP - 1515
%@ 2095-9184
Y1 - 2019
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1800362
Abstract: Constant current power transmission is considered a good choice for subsea observatories due to its high resistance to shunt faults. A constant current subsea observatory is planned to be constructed in the East China Sea. We discuss a constant current subsea observatory system used for scientific experiments. The power system and its heat dissipation system are carefully designed. The power conversion method is challenging due to the use of constant current power, which is considerably different from traditional power systems. Thus, we adopt power compensation circuits in the conversion system to obtain a constant 48-V output for science users. A power management system that performs overvoltage protection and real-time monitoring and control of junction box is discussed. An innovative heat dissipation structure of a junction box is designed in consideration of a sealed working environment to extend the useful life of the junction box. Simulations and experiments reveal that the system has high efficiency and stability, especially in long-term applications.
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