Affiliation:
1. Guangzhou Panyu Polytechnic, Guangzhou 511483, China
2. College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China
3. Guangdong Mechanical and Electronical College of Technology, Guangzhou 510515, China
Abstract
To bridge the gap that exists in the key equipment of the new subsea production control system, the all-electric subsea gate valve actuator, and exploit subsea oil and gas resources with high reliability and safety while saving energy, this paper proposes a novel concept prototype of an all-electric subsea gate valve actuator which has the key functions of a redundant drive, failsafe closing, auxiliary override, position indication, and low-power position holding. It satisfied the electrically-driven requirements of the subsea gate valves and achieved Safety Integrity Level 3. The prototype was developed and tested successfully. The all-electric subsea gate valve actuator is suitable for controlling subsea gate valves with various sizes and rated working pressures to minimize the power consumption for the purpose of keeping the valves open and safely closing them in the event of the electrical failure. An override and position-indicating mechanism is equipped for emergency operation and the visual indication of the status of subsea gate valves.
Funder
National Natural Science Foundation of China
Heilongjiang Provincial Natural Science Foundation of China
Major Science and Technology Project of China National Offshore Oil Corporation
University Scientific Research Project supported by Guangzhou Municipal Education Bureau
Science and Technology Project Foundation of Guangzhou Panyu Polytechnic
Characteristic innovation project of ordinary colleges and universities in Guangdong Province
Tertiary Education Scientific research project of Guangzhou Municipal Education Bureau
Subject
Ocean Engineering,Water Science and Technology,Civil and Structural Engineering
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