USV MT3200 Instruction manual
MT Series
Page 11 of 36
5 System description
The UPS supplies an uninterrupted, single-phase voltage to users with
mission-critical applications. In addition to supplying consumer loads, the
equipment also keeps its internal batteries in a fully charged state. In the event
of a power failure or power fault (e.g. voltage fluctuation), the UPS continues,
without interruption, to deliver a clean voltage supply to the UPS output. In
support mode, the energy is drawn from the battery pack.
Fig. 1:
Block diagram
MT series
The block circuit diagram shows the individual modules of the equipment and
provides a general impression of how they interact.
If the mains power failure exceeds the bridging time of the UPS, it shuts down
to prevent deep discharging of the batteries. When the mains power supply is
restored, the UPS restarts automatically, supplies the consumer loads and
controls the charging of the battery pack.
Outstanding performance characteristics of the RMT series are:
o Short changeover time to support operation in the event of primary
mains supply failure.
o Genuine sine voltage from UPS output, low distortion factor;
o High-performance communications interface (RS232 interface);