Parallel System Operations; Starting A Parallel System - Huawei UPS2000-G-6KRTLL User Manual

UPS2000-G-6KRTLL
User Manual
Figure 5-7 EPO cable connection on a single UPS

5.3 Parallel System Operations

5.3.1 Starting a Parallel System

● A parallel system of 6 kVA UPSs can share or not share battery strings.
● Before starting the parallel system, ensure that the external output circuit
● Check that parallel system parameters have been synchronized.
● Before starting the parallel system, ensure that all circuit breakers on the
● To prevent triggering overload protection, start the loads with higher power
Figure 5-8 AC input, output, and battery wiring diagram (two parallel UPSs
sharing batteries)
Issue 02 (2022-06-30)
NO TICE
breakers for each UPS are ON. In addition, ensure that the output neutral wires
of all UPSs are connected together.
output side are OFF, and do not start loads.
and then loads with lower power.
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