2 Overview
4
2.2
Operation Mode of the UPS
At the normal operation
While the UPS is operating normally, the UPS operates an AC power supply as an
input, and supplies the output of constant voltage to connection device. Simultaneously,
the UPS charges an internal battery and prepares for the battery operation.
Output frequency is synchronized with input frequency.
+
Bypass
AC/AC converter
Boost chopper
Battery
Charger
[ UPS ]
To connection device
:Power is fed
:Power is not fed
Output
Input power source
Flow of electricity during normal operation
At the battery operation (In the event of an input power failure)
When the voltage or the frequency of an AC input power source is abnormal, the UPS
starts the electric discharge from the battery, and continues to supply the stable electric
power to the connection device. In addition, the changeover to the battery operation is
performed without instantaneous interruption.
If the input power source returns, the UPS will return to the above normal operation
automatically.
+
Bypass
AC/AC converter
Boost chopper
Battery
Charger
[ UPS ]
To connection device
:Power is fed
The abnormalities
occur at an input
power source.
While the UPS is operating,
- The abnormalities of voltage
- The abnormalities of frequency, etc.
:Power is not fed
Output
Flow of electricity during battery operation
Summary of Contents for M-UPS050AD1B
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