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Professional production of prefabricated compartments and energy storage containers for substations
24
2023
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04
Substation safety knowledge
Substation safety knowledge in recent years, urban electricity consumption has continued to increase significantly, however, according to the power supply requirements, a large substation can only cover about 1~20 square kilometers (equivalent to a power supply range of 0.56km~3km). Therefore, with the development of the city, the reliability of power supply and the improvement of power quality requirements, the new substation built by Pilot Holdings can only enter the residential area in order to transmit power to the nearby residents' homes and meet the residents' power consumption needs. Since substations are mostly built in residential areas, there are many residents who ask whether the magnetic field of the substation will produce a lift shot to the human body. Urban substations can be indoor substations, because the walls have been greatly shielded electromagnetic field, indoor substations outside the electromagnetic field has been very small. SF6 gas-insulated fully enclosed electrical (GIS) equipment is used. Since GIS uses a green-insulating medium between high-voltage equipment, and since its exterior is sealed by metal, it is like a shield for high-voltage equipment, which effectively controls the strength of electromagnetic fields generated by high-voltage equipment. The use of the same tower double or multi-trip erection technology is conducive to reducing the impact of transmission lines on the environment. The substation is equipped with various sensitive and fast safety automatic protection devices, which can instantaneously remove faults and ensure the safety of the power grid, not to mention the impact on the surrounding area of the substation.
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