NDLI: Online optimal power control of offshore oil-platform power systems based on interior point and fast branch-bound methods

Content Provider	IEEE Xplore Digital Library
Author	Jianliang Zhong Yingyun Sun Xiaorong Xie Jianfeng Wang Che Wei
Copyright Year	2015
Description	Author affiliation: China Nat. Offshore Oil Corp. Res. Inst., Beijing, China (Jianfeng Wang; Che Wei) \|\| State Key Lab. of Alternate Electr. Power Syst. with Renewable Energy Source, North China Electr. Power Univ., Beijing, China (Jianliang Zhong; Yingyun Sun) \|\| Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Xiaorong Xie)
Abstract	Offshore oil-platform power systems are important infrastructure for the exploitation of maritime oil and gas. However, their current energy management systems, with relatively simple control schemes and low-level automation, can hardly operate the systems in a secure and economic manner to match the rapid progress of offshore oil and gas exploitation. To address this issue, an online multi-objective optimal power control strategy is proposed and implemented based on the existing Supervisory Control And Data Acquisition (SCADA) system. By incorporating network loss, gas consumption and voltage deviation into a synthesized objective function and taking the various operational constraints into account, the power-control task is formulated into a mixed-integer nonlinear optimized problem. And then an efficient procedure that combines the interior point and the fast branch-bound methods are developed to solve the problem. Consequently the optimal control strategy can be obtained online and either system security or operational efficiency is achieved. The developed control system has been put into practical use in the Weixinan offshore oil-platform power system (China's first of its kind). Field test results show that it can coordinate active and reactive power for online optimal control as per the changes of operating conditions. The improved safety, efficiency and power quality of the power systems will definitely promote exploitation of offshore oil and gas in the respects of both security and efficiency.
Starting Page	2353
Ending Page	2358
File Size	603742
Page Count	6
File Format	PDF
e-ISBN	9781467376822
DOI	10.1109/FSKD.2015.7382321
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power optimal power control Power control interior point Power system stability offshore oil-platform power systems fast branch-bound method Generators Automatic voltage control Optimization mixed-integer nonlinear problem
Content Type	Text
Resource Type	Article

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