MVD cabinet
roof wind cover
MVD cabinet
roof wind cover
MVD air-duct outlet
MVD air-duct outlet
Null
Null
Door
A
A-A
A
A-A
MVD cabinet
roof wind cover
Door
A-A
A
A-A
Transformer cabinet
MVD
Air filter
Transformer cabinet
Power cell cabinet
Control
cabinet
Window
Window
Window
Window Window
Window
Power cell cabinet
Control
cabinet
Control
cabinet
Power cell cabinet
Transformer cabinet
MVD
Air filter
Delta Medium Voltage Drive
Installation Diagram
Installation foundation
For wiring safety and convenience, it is recommended to install the MVD cabinet on a cable trench as shwon in the
drawing below.
Cross section of cable and installation trench
Detail requirements:
1. It is recommended to set the minimum length of cable trench as the total MVD length, adding 1m to the left and
right for easy cabling and maintenance.
2. The MVD is placed on the trench rail using 10# channel steel (use 16# channel steel if the MVD power is
≥1600kW and 18# double-T steel if the MVD power is ≥4000kW).
3. Reserve free space on top and front of the MVD cabinet, so that the distance between cabinet top and ceiling is
≥800mm, and the distance between cabinet front and walls is ≥1500mm.
4. For ventilation and maintenance convenience, the distance from the rear of the dry-type transformer cabinet and
the back wall shall be ≥1000mm.
MVD Cooling Proposal
There are three possible cooling solutions which are open-air-duct cooling, sealed air conditioning cooling, and air
conditioning with air-duct cooling.
Open-air-duct cooling
Sealed-air-conditioning cooling
Air-duct & air-conditioning cooling
MVD cabinet
roof wind cover
MVD cabinet
roof wind cover
MVD air-duct outlet
MVD air-duct outlet
A
A-A
A
A-A
A
A-A
A
A-A
MVD cabinet
roof wind cover
Door
A-A
A
A-A
Transformer cabinet
MVD
Air filter
Transformer cabinet
Power cell cabinet
Control
cabinet
Window
Window
Window
Window Window
Window
Power cell cabinet
Control
cabinet
Control
cabinet
Power cell cabinet
Transformer cabinet
Door
MVD
Air filter
MVD cabinet
roof wind cover
MVD cabinet
roof wind cover
MVD air-duct outlet
MVD air-duct outlet
MVD air-duct outlet
MVD air-duct outlet
Null
Null
Door
A
A-A
A
A-A
A
A-A
A
A-A
MVD cabinet
roof wind cover
Door
A-A
A
A-A
Transformer cabinet
MVD
Air filter
Transformer cabinet
Power cell cabinet
Control
cabinet
Window
Window
Window
Window Window
Power cell cabinet
Control
cabinet
Control
cabinet
Power cell cabinet
Transformer cabinet
Door
MVD
MVD
Air filter
Air filter
Site foundation
Section A Spot welding
Spot welding
(1 set/m)
10#Channel steel
Install rear cabinet body, spot welding
to channel steel (I-shape steel)
Cable trench side
protective angel iron
50
*
50
*
5
530
751
1150
50
*
50
*
5
Front view
Blower fan
MVD
Section A, zoom-in
14 15
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