UPS5000-E-(25 kVA-75 kVA)-SM
User Manual (Half Height)
3 Installation
Issue 03 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
73
Figure 3-40
Cable connections for a 1+1 parallel system
(1) Mains input power
cable
(2) Bypass input power
cable
(3) Battery
cable
(4) Output power
cable
To clearly and simply show cable connections, this document uses "the number of oblique lines" to
indicate the number of power cables of the same type.
Do not configure circuit breakers for the mains and bypass input N wires and output N wire.
Connect power cables according to port silk screen.
The specifications of power cables on each UPS should be the same to achieve current
equalization in normal mode and bypass mode. The power cables include bypass input power
cables and UPS output power cables.
and
show the conceptual diagram and cable connections for a
dual-bus parallel system consisting of two UPS systems.