Instruction manual for POWERLINE 33 series UPS
2010/06/22
www.ever.eu
4
POWERLINE 33 components include:
•
battery set
•
rectifier
•
inverter with high-frequency IGBT
•
automatic bypass (static)
•
manual (service) bypass (UPS/bypass manual switch)
•
microprocessor-based control system with measurement circuits
Figure 1: Simple block scheme
Input rectifier transforms alternating voltage from the input to direct current at the
output, and charges the batteries at the same time. The DC bus is the basic power
source for the inverter that generates alternating sine wave current that is used to
feed the receivers. A microprocessor control system ensures the precision and
reliability of the entire power supply system.
An automated bypass system increases the overall system security. In the event of
inverter failure, the current from the mains is provided directly to the load. The
automated bypass system thus becomes an additional passive safeguard of the load.
An additional manual bypass connection enables the complete switch of the load to
the mains. The receivers are then backed up from the mains with the internal UPS
modules bypassed.
