Huawei NetCol8000-A045D - D Power Cable Filter for an Outdoor Unit

D Power Cable Filter for an Outdoor Unit
In a shielded equipment room, outdoor unit power cables must be used together
with a
lter that has the following topology and component parameters.
Figure D-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 lter, which is grounded nearby.
Table D-1 Filter component
specications
Positi
on
No.
Name Specication
s
Devia
tion
Remarks
L Common-
mode
inductor
22.5–45 mH
@ 10 kHz
- Ultra-microcrystal inductor,
which can withstand 16 kHz
switching frequency and does
not generate heat due to
saturation
C
y
Y capacitor 2.7 nF @ 10
kHz
±10% Thin lm feedthrough
capacitor
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual D Power Cable Filter for an Outdoor Unit
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. 342