Installing Parallel Cables - Huawei UPS5000-H-800 kVA-NTN Quick Manual

UPS5000-H-800 kVA-NTN
Quick Guide (480 V, 100 kVA Power Modules)

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.
Figure 1-86 Conceptual diagram of a 1+1 parallel system
A dual-bus parallel system consisting of two parallel subsystems is used as an
example.
Issue 01 (2023-03-20)
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.
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1 Installation and Cable Connection
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