A Power Cable Filter For An Outdoor Unit - Huawei NetCol5000-A050 User Manual

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
A
Power Cable Filter for an Outdoor Unit
In a shielded equipment room, outdoor unit power cables must be used together
with a filter that has the following topology and component parameters.
Figure A-1 Filter topology
A, B, and C are connected to the indoor unit. A', B', and C' are connected to the
outdoor unit. E is the PE point for the filter, which is grounded nearby.
Table A-1 Filter component specifications
Positi
on
No.
L
C
y
Issue 08 (2021-09-17)
Name Specification
s
Common- 22.5–45 mH
mode @ 10 kHz
inductor
Y capacitor 2.7 nF @ 10
kHz
Copyright © Huawei Technologies Co., Ltd.

A Power Cable Filter for an Outdoor Unit

Devia Remarks
tion
- Ultra-microcrystal inductor,
which can withstand 16 kHz
switching frequency and does
not generate heat due to
saturation
±10% Thin film feedthrough
capacitor
312