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EVER POWERLINE GREEN 33 LITE UPS Range Operating Manual
Type 01 2016-10-27 12:12
Technical Service, tel.: +48 61 6500 400
www.ever.eu
6
Figure 1: Simplified block diagram of the UPS unit
The rectifier transforms the alternating current voltage from the mains into direct
current voltage. It also doubles as a battery charger. The DC voltage bus is the basic
source of power for the inverter system which in turns generates sinusoidal AC
voltage to be used to power the loads. The microprocessor-based control systems
ensure precision and reliability of the entire power supply system.
The automated bypass system helps to increase the overall operating security of the
entire system. In cases where the permissible inverter parameters have been
exceeded, receivers will be supplied directly from the mains. In this way the
automated by-pass system works as an additional passive protection of the power
supply. The manual switching function for the bypass system allows switching over
completely to supplying power to the connected loads from the mains only. In this
way the connected loads are powered from the mains, thus bypassing the internal
UPS modules.
Duration of the power back-up operation depends on the number of loads as well as
the type and number of batteries used with the UPS. Please note that even in case
when batteries from different suppliers have the same rated capacity, the backup
time for the same load may vary.
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