Hybrid/AC-coupled Inverter User Manual
© 2024 Hoymiles Power Electronics Inc. All rights reserved.
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Emergency Power Supply (EPS)
Parameter Description Default Value
EPS Mode
When the EPS port is connected, you can
choose “EPS” or “UPS”. You can choose
“UPS” when the load keeps power on, and
the on-grid mode and off-grid mode will
automatically switch to each other under UPS
mode.
EPS
EPS is characterized by the continuous
power supply, which means that the loads
are powered by bypass under normal power
supply, and the DC power will be inverted
to supply the loads during a power outage,
maximizing energy utilization.
UPS is a kind of uninterrupted power supply
which has stable voltage and frequency,
and has an extremely high requirement
for switching time. UPS not only operates
during a power outage, but also can output
high quality power supply to ensure normal
operation of electric equipment when such
abnormal situations of power supply as
overvoltage, undervoltage, and surge occur.
When the inverter is used as a PV inverter,
choose “Disable”.
External Bypass Switch
For inverters with an external ATS (EPS) Box,
when the external bypass switch is enabled,
the inverter EPS port works in the off-grid
mode and will not work in the on-grid mode.
Disable
PV Off-grid Mode Enable
In off-grid mode, PV can also operate
without the battery. (Under this mode, the
system is unstable, so this function is not
recommended.)
Disable
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Generator Setting
Parameter Range Default Value
Generator Position None/GenSide/GridSide None
Generator Signal Type Manual/DI/DO Manual
Generator Minimum
Run Time
0-60 min 10 min
Generator Maximum
Run Time
0-10 hr 8 hr
Generator Protection
Interval
0-60 min 10 min
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