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Zhenhai Refining & Chemical completed the development of technology to prevent widespread power outages in individual production units 2019-02-14 Source: Sinopec News Network Print article Petrochemical news At the beginning of February, after thorough preparation, the Electrical Department of Zhenhai Refining & Chemical successfully applied this technology to prevent widespread power outages in the newly built sulfur processing unit, thus achieving the desired goals. For electrical engineers, figuring out how to prevent electrical equipment and motors in production facilities from shutting down abnormally in the event of short-term power fluctuations in the power system is one of the key goals that technical professionals strive to achieve, in order to avoid production disruptions and unplanned shutdowns. The Electrical Department of Zhenhai Refining & Chemical Co., Ltd. has set as a key focus the ability of the system to quickly restore power supply in the event of voltage fluctuations, as well as the restart of motors. They developed a detailed operation plan and ultimately decided to conduct the first simulation test under actual production conditions at the newly built eight-sulfur plant, using a combination of rapid switching of backup power sources and low-voltage anti-interference technologies to assess the technical feasibility. In this test, the immediate restart of 3 6-kilovolt motors after 3 instances of system voltage fluctuations, as well as 31 low-voltage motors after 5 such fluctuations, was successfully achieved. The test results were satisfactory, laying a foundation for the future application of this technology in various production units at Zhenhai Refining & Chemical Co., Ltd. (Liu Lifen, Zhou Bo)