Commissioning Upss In A Parallel System - Huawei FusionPower6000 Maintenance Manual

FusionPower6000
Maintenance Guide
Procedure
Step 1 After confirming that the battery string is properly connected, turn on the battery
string input switch. If there are multiple battery strings, turn on the switch for
each battery string and then the general switch between the battery strings and
the UPS. The No battery alarm on the MDU disappears.
Step 2 Turn on the downstream output switch to supply power to loads.
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7.6.3 Commissioning UPSs in a Parallel System

Prerequisites
● Before starting a parallel system, ensure that each UPS has been commissioned
● Choose Monitoring > UPS System > Running Parameter > System Settings
● Skip
● Ensure that all load circuit breakers in the system are OFF. Do not start loads
Procedure
Step 1 Trigger EPO on each UPS.
1.
2.
Step 2 Install parallel cables between parallel cabinets.
Issue 02 (2022-07-18)
CA UTION
(see 7.6.2 Commissioning a
on the WebUI of each UPS and set EPO detection to Enable.
Step 3 if you perform parallel system commissioning without powering off
each UPS after commissioning them.
before the parallel system is started.
Press the EPO switches connected to the dry contact cards of all UPSs one by
one, or remove the 4-pin terminals from the EPO ports on the dry contact
cards of all UPSs, or press the general EPO switch.
If a single UPS is not powered off after commissioning, verify on the
monitoring screen that EPO has been activated successfully.
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