Technical FAQs 4

What is the difference between Eco mode and online mode?

Figure 2. In online mode, the UPS continuously regenerates the output voltage. In eco-mode the load is normally powered by the bypass path, allowing raw mains power to supply the load, and the UPS inverter is engaged only when the utility mains fails. In eco-mode the UPS inverter operates in a “standby” mode.

How does a ups inverter work in Eco mode?

In eco-mode the load is normally powered by the bypass path, allowing raw mains power to supply the load, and the UPS inverter is engaged only when the utility mains fails. In eco-mode the UPS inverter operates in a “standby” mode. In principle, this is a simple change in the control software of the UPS.

Does Eco-mode reduce data center energy consumption?

This paper shows that eco-mode typically provides a reduction of 2-4% in data center energy consumption and explains the various limitations and concerns that arise from eco-mode use. Situations where these operating modes are recommended and contra-indicated are also described.

What is ECO-mode in a ups inverter?

In eco-mode the UPS inverter operates in a “standby” mode. In principle, this is a simple change in the control software of the UPS. However, the reality is considerably more complex as explained in the later sections of this paper.

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Working Modes

When the bypass source voltage is outside the ECO voltage range, the UPS transfers from bypass mode to inverter mode. In bypass mode or normal mode, the rectifier keeps working

Operation Modes

The batteries are charged when the UPS system is in ECO mode. The main advantage of ECO mode is a reduction in the consumption of electrical power compared with double conversion.

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