On 11 May, 500 kVA stations located in the village of tea hill in the new district of the capital were busy, and on-site staff were carrying out an annual inspection of 500 kVA equipment to ensure that grid equipment was functioning. The 500 kVA, a staff member with blue-colour and medium-sized staff, was trying parameters carefully in front of the electrical protection screen, but he was dealing with an orderly process, namely, the two-stage director of the ultra-pressure inspection centre o...