Parallel System Commissioning; Starting A Parallel System - Huawei UPS5000-A User Manual

UPS5000-A-(30 kVA-120 kVA) User Manual
User Manual

5.1 Starting a Parallel System

Prerequisites
● Before starting a parallel system, ensure that each UPS has been commissioned
● Choose Monitoring > UPS System > Running Parameter > System Settings
● If you commission the parallel system where UPSs are not powered off after
● Ensure that all load circuit breakers in the system are OFF. Do not start loads
● Before connecting parallel cables, if you turn on the external output power
Issue 15 (2022-11-15)
5

Parallel System Commissioning

CA UTION
(see 4.1 Powering On and Starting the
on the WebUI of each UPS and set EPO detection to Enable.
they are commissioned individually, skip step 4. In addition, ensure that step 1
is performed before commissioning a single UPS.
before the parallel system is started.
switch of the rack by mistake, the system may report alarm 0570-002 BPM
unit abnormal. In this case, you need to power off the rack to clear the alarm.
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5 Parallel System Commissioning
UPS).
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