017-220-J0 Rev C
28
8.2.1 Utility Mode
In this mode, the unit performs automatic voltage regulation (AVR). For variations in the utility voltage the unit will
regulate the output within its 10% nominal value. This is achieved by changing taps on the line frequency transformer
and stepping up or stepping down the voltage if needed.
8.2.2 Line Mode
If the utility voltage is within 10% of the nominal value, the utility is passed through to the output without any condi-
tioning. This mode is called Line mode. The output is equal to the input.
AC EMI
Battery
Input
Output(s)
Inverter/
Charger
INV
N
8.2.3 Boost Mode
When the input voltage reduces below 10% of the
nominal value the microprocessor changes the tap in the
transformer and steps the input up to keep the output
voltage to within 10% of nominal. To provide a wide op-
erating range, some models have two boost modes.
8.2.4 Buck Mode
When the input voltage increases above 10% of the
nominal value the microprocessor changes the tap in the
transformer and steps the input down to keep the output
voltage to within 10% of nominal. To provide a wide op-
erating range, some models have two buck modes.
Grid relay
Input
N
INV
Grid relay
Input
N
INV
Grid relay
Summary of Contents for Alpha Micro 100
Page 1: ...Alpha Micro 100 UPS Technical Guide 017 220 J0 Effective 09 2020...
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Page 36: ...35 017 220 J0 Rev C Figure 14 Web Interface Bulk Charging Menus...
Page 37: ...017 220 J0 Rev C 36 Figure 15 Web Interface Bulk Charging Menus...
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