Foundation Requirements - Huawei LUNA2000-2.0MWH Series User Manual

LUNA2000-2.0MWH Series Smart String ESS
User Manual
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3.3 Foundation Requirements

Before installation, build a concrete platform and trenches on the selected ground.
The foundation construction requirements are as follows:
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Check Item
No.
1
2
Issue 08 (2022-11-15)
The preceding clearance requirements are for reference only in terms of
installation and O&M. The clearances must also comply with local fire control
requirements.
NO TE
The foundation layout design should meet the space requirements for ESS installation and
O&M. The design institute can contact local Huawei pre-sales engineers to obtain the
drawings about the foundation.
The dimensions of the foundation should meet the installation and bearing
requirements of the equipment.
The average foundation strength should exceed 100 kg/cm
The horizontal error between the foundation and the contact surface of the
equipment should be less than 5 mm.
The ground resistance for the equipment should be less than or equal to 0.1
ohm.
The ESS uses bottom cabling. Cables need to be pre-buried under the control
unit cabin.
The inner diameter of the protective tube should not be less than 1.5 times of
the outer diameter of the cable (including the protective layer).
The foundation should meet the local drainage requirements for the local
historical maximum rainfall. Drained water should be disposed of in
accordance with local laws and regulations.
A cable trench (if any) cannot be used for drainage. Fire retardant sealing
should be implemented at cable holes (such as holes through partition walls
and floors).
Check Item
Cabling space
at the bottom
Cable
Copyright © Huawei Technologies Co., Ltd.
Acceptance Criteria
● If there is no maintenance space at the bottom, it is
recommended that the cabling space at the bottom
of the container be no less than 1.2 m.
● If there is maintenance space at the bottom, it is
recommended that the cabling space at the bottom
of the container be no less than 1.5 m.
● The bending radius of the cables is not less than 15
times the cable diameter.
● The voltage drop of the farthest loop does not
exceed 5%.
● The sensitivity, voltage level, and thermal stability of
the cables meet the local design specifications.
3 Site Requirements
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