Equipment Installation; Site Requirements - Huawei STS-6000K-H1 Installation Manual

STS-6000K-H1 Smart Transformer Station (Vietnam,
Duc Long Gai Lai)
Installation Guide

3.1 Site Requirements

Site Selection
STSs are applicable to common outdoor scenarios. The site should:
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Foundation
Before installation, build a concrete pad and a trench on the selected ground. The foundation
construction requirements are as follows:
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Not be located in a low-lying land. The horizontal level of the site should be above the
highest water level of that area.
Be solid without spongy or soft soil, but not be prone to water accumulation or
subsidence.
Be a well ventilated place.
Be far away from sources of strong variation, loud noises, and strong electromagnetic
interference.
Avoid places where underground facilities exist.
Be far away from dust, oil smoke, harmful gas, and corrosive, flammable, or explosive
objects.
Be at least 500 m away from airports, landfills, river banks, seacoasts, and dams.
Be an open area and at least 10 m from obstacles in all directions.
Be at least 50 m away from residential areas to avoid noise pollution.
Have a temperature ranging from –25° C to +60° C. When the ambient temperature
exceeds 55° C, select an installation place with shade or set up an awning.
The dimensions of the foundation should meet the installation and bearing requirements
of the STS.
The average foundation strength should exceed 100 kg/cm
The horizontal error between the foundation and the contact surface of the STS should be
less than 5 mm.
Bury a ground grid and reserve a ground copper bar at the ground position of the STS.
The ground copper bar should be a hot-dip zinc-coated flat steel sheet with a
cross-sectional area of 60 mm x 5 mm. One end of the copper bar should be connected to
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Equipment Installation

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