Installing Parallel Cables - Huawei UPS5000-H-1200 kVA-NTN Quick Manual

UPS5000-H-1200 kVA-NTN
Quick Guide (480 V, 100 kVA Power Modules)
----End

1.11.5 Installing Parallel Cables

Prerequisites
● The length and specifications of power cables on each UPS should be the same
● Ensure that the phase sequences of the mains input, bypass input, and output
● Connect power cables according to port silk screens.
Procedure
Step 1 Ground each UPS in a parallel system separately, and connect power cables and
battery cables.
Step 2 Choose a parallel mode and connect power cables to the parallel system based on
site requirements.
The typical scenario of a 1+1 parallel system is used as an example.
Issue 01 (2023-03-20)
Figure 1-129 Cable connections between the backfeed protection card and
shunt release
(1) Shunt release (provided by the
customer)
NO TICE
to achieve current equalization in bypass mode. The power cables include
bypass input power cables and UPS output power cables.
power cables of each UPS are the same.
Copyright © Huawei Technologies Co., Ltd.
1 Installation and Cable Connection
(2) 6 A fuse (provided by the customer)
89