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Installation Guide | SISO LCL and LC Filters
Follow the instructions in this guide and relevant local regulations.
Installation Requirements
2.2
The products that are described in this guide have the protection rating IP00/UL Open Type. Install them in an enclosure that has a
correct level of protection against the ambient conditions in the installation area. Make sure that the enclosure gives protection against
water, humidity, dust, and other contaminations.
The enclosure must also be sufficiently strong for the weight of the filter components and other devices.
The protection rating of the enclosure must be at least IP21/UL Type 1. When preparing the installation, obey the local regulations.
Installing the SISO LCL or LC Filter into an Enclosure
2.3
For mechanical dimensions and the positions of the mounting holes, see
1.
Install the inductors on a horizontal surface.
2.
Install the capacitor banks with the terminals upright.
If another mounting orientation is required, make sure that the capacitor bank is properly supported. If necessary, contact
Danfoss for instructions.
3.
Make sure that the inductors do not heat up the capacitors. For example, install the capacitors and inductors in separate
sections.
Figure 2: Example of the SISO LCL Filter Installed in an Enclosure
1
Grid side inductor (only included in LCL filter)
3
Airflow direction
5
C
capacitor bank
Delta
Cooling Requirements
2.4
For reliable operation, ensure sufficient cooling of the filter components. The product requires forced air cooling.
Make sure that the cooling airflow through the filter inductors is sufficient.
The maximum temperature of the cooling air is 40 °C (104 °F).
l
The minimum airflow is 3 m/s (10 ft/s).
l
Install air guides or ducts to guide the hot air from the inductors up, away from other components, and out of the enclosure.
Danfoss Drives Oy © 2024.03
4.2
Dimensions.
2
Drive side inductor
4
Fan
6
C
+C
capacitor bank
DM
FB
AN477036797705en-000101 / 172K2871A |
3
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