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CSG Assures Power Supply for Long March-5B Carrier Rocket Launch

信息来源:公司网站  发布时间2020-05-07

Hainan - At 6 p.m., on the evening of Tuesday, May 5, with the lift-off of Long March-5B carrier rocket in Wenchang, Hainan, China Southern Power Grid concluded its mission of assuring the power supplies needed for this important national space project.
This time-critical mission requires coordination among six key sites, 14 transformer substations, 25 transmission lines, and 11 distribution lines. To fulfill this project, the Hainan Power Grid, which is affiliated with CSG, formulated an overall plan with seven special tasks and broke them down to 81 detailed assignments.
Specifically, Hainan Power Grid senior managers checked and rechecked all transformer substations and transmission lines involved in the power supply service. In total, 549 equipment defects were eliminated, 48,800 tree barriers removed and emergency and major defects were 100% cleared.
It has been reported that, due to the outbreak of COVID-19, this year's task takes on a greater sense of urgency compared with that of Year 2019. In order to fulfill its mission, Hainan Power Grid assigned engineers to begin preparation work as early as January 16, and entered the final implementation stage on May 3.
In terms of voltage sag management, workers from Hainan Power Grid regularly carried out special maintenance patrols over 361 transmission lines of 110 kV and above, 36 associated 35 kV transmission lines, 93 distribution lines of 10 kV and their corresponding transformer substations across Hainan Province.
Workers also organized emergency drills to ensure the power supplies. IN addition to providing technical support for its clients, Hainan Power Grid senior managers signed letters of responsibility to ensure power supply safety at six key sites, and assuring two rounds of power use check-up at four aerospace launch evacuation points.
Throughout the course of the mission, the entire Hainan Power Grid was connected to the main grid of China Southern Power Grid through a 500 kV submarine cable.
In total, no overhaul or testing work had a significant impact on system safety and power supply reliability was fully nominal. In addition, Hainan Power Grid senior managers formed 70 emergency response teams with a total of 922 staff, stored material supplies worth 21.32 million RMB, and deployed 44 emergency power supply vehicles on standby … all in an effort to ensure the successful launch of the rocket.


Workers from Hainan Power Grid inspect the transformer substation


Workers from Hainan Power Grid check the temperature of transmission lines


Power dispatchers from Hainan Power Grid observe power load changes


Lift-off of Long March-5B carrier rocket

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