ISO 9001 : 2015
The Online UPS has some specific features that optimize your battery for lifetime and grants your devices the best power protection that is Eco mode operation. Additionally UPS systems acquire low running cost that is achievable normally with lower priced Off Line. Line Interactive types are included in the off Line UPS systems (Uninterruptible Power Supplies systems), which are frequently preferred for small office or datacenter applications over Online UPS types, but it relatively gives poorer protection as it has justified on the basis of running and lower procuring costs.
Like the ability to operate in Economic (Eco) mode, this approach ignores the existing differences between Online UPS systems. At lower cost This Eco mode may offer better power protection. Connect the load to the input AC line directly by the simple off Line UPS systems. If AC input voltage deviates beyond preset limits Line Interactive systems have also the ability to correct UPS output by means of an auto- transformer based Automatic Voltage Regulator. These systems transfer the UPS to battery operation In case of significant utility voltage deeps or outages.
When compared to an Online UPS due to its direct connection to input AC power Off Line types, including Line Interactive systems offer higher efficiency. But, unstable grid environment might cause these systems to suffer from frequent transfers to battery operation such as in stormy winter seasons with frequent power excursions or outages or as exercised in summer due to air conditioning which ultimately decreases drastically the battery life time.
stabilized DC first of all an Online UPS converts the AC input voltage and then it is converted back to AC so it is also called Double conversion system, with a pure stabilized sinusoidal output to feed continuously the critical load, that would be coming either from the batteries or from the input line via AC/DC converter it is a case of power failure. Although providing best protection the described Online Double Conversion topology reduces Single Phase UPS efficiency to about 90% compared to 97%, achieved with Line Interactive systems, if cooling costs are disregarded. The added running costs, associated with lower efficiency may add about 10% per year to initial UPS cost.
However, by numerous manufacturers for low power single Phase Online systems recently the online UPS systems with Eco (economic) mode operating regime are offered. The Eco mode operation, if selected, enables an Online UPS to online operation in case of outage or excursion beyond set limits of the incoming AC line to work directly from utility mains transferring automatically. There is however a big difference between the Online system working in Eco mode regime and the Line Interactive UPS. An online system CAN work continuously in both modes while An Off line UPS system MUST work continuously from mains using the battery backup mode for short backup times.
With some of the frequent transfers to battery as explained, A Line Interactive UPS generally works on mains even in unstable grid environment. If it is set to Eco mode an online UPS in a similar environment will be behaving similarly. If you have selected the Double Conversion mode in the unstable grid season, most of the described hazards can be avoided, in the unstable grid season. Even if you’ve selected the Eco mode, it senses the unstable utility environment. You’ll witness some cases where UPS systems will automatically change the working regime of the online UPS to online operation.
The implementation of Eco feature is mainly software based and doesn’t normally have a price tag. The manufacturers should not increase online UPS price but prefer it to be competitive. Therefore, unless& until other considerations prevail online UPS Systems with Eco mode should be preferred. Eprompt Enterprise is leading Online UPS manufacturers, UPS Supplier & UPS Dealer in Bharuch which are providing a quality product.