Recently, the inspection of the main transformer sling of the 110 kV Luoyu Substation and the 220 kV Mulan Substation of the State Grid Putian Power Supply Company was successfully completed, laying the foundation for the smooth operation of the project.
According to reports, the 220 kV Mulan substation is located in the Hualin Economic Development Zone. With the gradual implementation of the strategic layout of the main extension of the main center of the Putian Center, the photovoltaic industry cluster in the Yulin area of ​​the development zone is gradually formed, and the city area is Shantou East. The construction of the new urban area along the Mulan River in the Western Region will be accelerated, and the Mulan Substation will effectively meet the power supply load in the region after it is completed and put into production. After the completion of the 110 kV Luoyu Substation in Dongpu Town, the North Shore Economic Development Zone of Meizhou Bay, it will also effectively improve the reliability of power supply on Luoyu Island and optimize the grid structure of the power grid.
At the inspection site of the main transformer hoist at the 220 kV Mulan Substation, the operators carried out various tasks in an orderly manner. After the completion of the preparation process for removing the loaded switch, the bottom bolt, and the nitrogen injection and draining, the main hood was fixed. The crane chain is fixed at the same time, and the cable wind rope is fixed at the four corners of the main transformer cover to prevent the outer cover from colliding with the body after lifting. With the command of the on-site commander, the hook slowly moved up, and the operator patiently checked the force of the hoist when lifting, and adjusted the offset angle through the cable, because the hoist inspection work was at noon. The temperature of the site is hot and humid. The operator endures the high temperature to check the internal components of the transformer, samples the transformer oil, and tightens the components such as the screw and the screw to ensure safe and stable operation after the transformer is put into use.
It is reported that the hood inspection is the most critical part of the main transformer in the installation and commissioning. It has strict requirements on humidity. It is easy to affect the progress of the project during the rainy season in summer. In order to ensure that the two new substations can be put into operation on time, Putian Power Supply Company will work out plans in advance, pay close attention to meteorological changes, and rationally arrange the progress of the project to ensure the successful completion of the inspection of the main change hoist, promote the project to be put into production, and further realize the grid network of the jurisdiction. Structural optimization to improve power supply reliability.
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