● The battery string voltage may cause serious injury. Observe safety precautions
when connecting cables.
● Ensure that cables are correctly connected between the battery strings and the
battery circuit breaker, and between the circuit breaker and the UPS. Reverse
connections are prohibited.
● When multiple battery strings need to be connected, only batteries of the same
or similar model recommended by the manufacturer can be used.
Figure 3-27 Connecting battery cables
A neutral wire is routed from the middle of the positive and negative battery
strings.
Take a battery string consisting of 40 batteries for example. The battery neutral
wire is routed from the middle of positive and negative battery strings, each
consisting of 20 batteries.
Figure 3-28 Battery neutral wire
UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS) 3 Installation
Issue 02 (2022-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 71
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