Several latest UPS system models now come with energy saving operating feature. It is also referred to as green mode or eco mode. By functioning this way, it is possible for the UPS to achieve high efficiency at any load. Though it sounds good, none of the data centres select to use Eco Mode since they fear whether this particular mode does not provide the same kind of protection equal to the online UPS (uninterruptible energy supply).
If you wish to accomplish enhanced efficiency, UPS makes use of Eco Mode at a reduced range of power protection. However, Eco Mode helps in saving energy.

What is meant by Eco Mode?
Eco Mode is similar to the traditional method of operation utilized in offline UPS. It is referred to as line interactive or standby mode. How does the single phase, traditionally smaller UPS function? The rectifier or inverter circuits remain in offline standing by mode, prepared to switch on when a problem is detected or power fails.
In the same way, the online UPS functions in Eco Mode and the load will be powered by the sidestep path permitting raw mains energy to source the load. The UPS inverter engages only in situations of UPS mains fails. In the traditional eco mode operation, the load will be open to crucial raw mains power.

Eco mode benefits
The main advantage of eco mode is the efficiency of the sidestep path is mainly between 98% and 99%. When the eco mode is used the UPS efficiency picks up between 2 to 5%.

Eco mode risks
It is not possible for the eco mode to predict the future. It should react to the problem which is already present and change to the inverter. It means the mains power issue can reach the UPS to serious load when certain issues arise.

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