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News

Green Conversion increases UPS energy efficiency in a six IGBT inverter configuration

Borri : 06 September, 2012  (New Product)
Borri has developed a new operational topology for its back-up power solutions that is both energy and cost-efficient.
Green Conversion increases UPS energy efficiency in a six IGBT inverter configuration

Borri has replicated the high efficiency savings gained through standard three level conversion in a far simpler and more cost effective manner to create a new functioning mode - Green Conversion.

Where three level conversion was initially developed to focus on improving just the operational efficiency of a UPS, it relies on a significant number of additional components, which increases the overall running costs of UPS units using this technology. Conversely, Borri's Green Conversion mode reduces the amount of parts required but can still achieve the same high efficiency levels of up to 96 percent. 

Using a bespoke Advanced Control Technology (ACT), which increases efficiency in a two level (six IGBT) inverter configuration, Green Conversion is a streamlined version of three level inverter technology.

However, Green Conversion not only cuts costs, but also reduces switching losses, providing even better power protection, while an intricate redesign of the inverter further reduces inductor losses.

By opting to maintain the same number of IGBTs as standard two level conversion, there is no increase in conduction loss and Green Conversion technology actually minimises these losses further by reducing the switching frequency (6-7kHz).

Designed to ensure maximum control and separation between the supply line and the load, where power is entirely supplied by the inverter, Green Conversion operation benefits from all the functional characteristics of online double conversion mode (VFI). This isolation of the unit protects the load from any input disturbances, enabling it to deliver a perfect sinusoidal and conditioned power output.

Borri's highly advanced Green Conversion technology delivers superior stability of the output, which maintains a sinusoidal waveform even at low switching frequencies.

This latest breakthrough in UPS technology from Borri offers end users increased flexibility and is a far more affordable solution than standard three level conversion. Not only does it deliver exceptional cost savings but it is also highly reliable; capable of providing essential back up power to the most critical environments.

Although Green Conversion ticks many boxes as a standalone operating mode in terms of gaining efficiency, affordability and functionality, a leading integrated energy company Eni wanted Borri to take the development even further. Pushing the boundaries of UPS technology, Borri has gone on to fabricate a UPS capable of achieving 99.5 percent efficiency at half load.

Now known as The Primacy, this cleverly combines three sophisticated operating modes including ACT, Green Conversion and Ultra High Efficiency (UHE) to deliver a UPS system that has not only broken efficiency records, but has also retained the integrity of the purpose of a UPS - to provide reliable back up power protection.

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