Environmental requirements for prefabricated substations

Prefabricated box-type substations are used in high-rise residences, luxury villas, square parks, residential quarters, small and medium-sized factories, mines, oil fields, and temporary construction electricity and other places for receiving and distributing electrical energy in power distribution systems. Comply with the standard of GB/T17467 "High Voltage and Low Voltage Prefabricated Substation" and SD320 "Technical Conditions for Box-type Substation"

Environmental conditions for prefabricated substations:

1. Altitude: 1000m and below.

2. Ambient temperature: -25C~+40C.

3. Wind speed: no more than 35m/s.

4. Air relative humidity: no more than 90% (+25C).

5. Earthquake horizontal acceleration: no more than 0.4m/s, vertical acceleration: no more than 0.2m/s.

6. Place of use: There should be no conductive dust and corrosive, flammable and explosive dangerous goods that are harmful to metals and insulating materials.

7. There is no violent vibration at the installation site, and the vertical slope is not more than 3 degrees.