Eco Mode VS Online. High Efficiency Everyone wants to increase his application efficiency Saving...

Eco Mode VS Online

High Efficiency

• Everyone wants to increase his application efficiency

• Saving power and Green Energy is our major concern

• High power density makes us worry about efficiency

UPS

Let’s just look again at the UPS technologies and topologies

VFD – Voltage and Frequency Dependant

In other words 99% Efficiency On a standby UPS

VI – Voltage independent

In other words 98% Efficiency Line interactive UPS

VFI – Voltage and frequency independent

In other words 90- 96% Efficiency Online UPS

Standby/ Line Interactive

Usage of Online UPSs has proven over decades that the load is VFI - as opposed to the standby

UPSs (VFD)

Eco Mode

Eco Mode

Eco Mode

• Certain companies are presenting UPS eco-mode as being new technology with little or no

downside risks

• This is quite misleading because it is known since decades as VFD or VI – line interactive or

standby.

Eco Mode

Efficiency

High

Reliability/ Availability

High

Low Low

SavingThe USA’s power utility reliability

Saving

Saving

• Energy savings of about £5,000 per year for a 500kW rated data center running in Eco-mode

Worth

• Whether these savings are worthy when considering the risk of downtime, the risk of damaging billion of pounds of data…

• Who can referee?

• The only person who can decide is the one worried about his equipment, his downtime, how he is paying billions to upgrade his data center to Tier II, III and IIII, etc.

Gamatronic

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