S-Eco Mode - Huawei UPS5000-H User Manual

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Modules)
If the mains input is abnormal or the rectifier becomes abnormal, the UPS
transfers to battery mode. The power module obtains energy from batteries, and
the energy is converted into AC output by the inverter.
Figure 2-7 UPS conceptual diagram in battery mode

2.5.4 S-ECO Mode

S-ECO is a working mode that combines the economy control operation (ECO)
mode and inverter mode. In S-ECO mode, the UPS directly supplies power to loads
through the bypass and automatically determines whether to compensate for load
harmonics based on load conditions to achieve higher efficiency. It ensures
uninterruptible (0 ms) power supply and reduces the impact of load harmonics on
the power grid. This mode can be set on the LCD or WebUI.
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Issue 03 (2021-08-03)
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The system can work in super economy control operation (S-ECO) mode only when the
hardware of both the power module and bypass module supports the S-ECO mode.
If the hardware of the existing power module or bypass module does not support the S-
ECO mode, the ECO mode is displayed (2–5 ms interruption may occur during the transfer
of the traditional ECO mode). If the UPS works in S-ECO mode but the hardware of the
power module or bypass module is changed and does not support the S-ECO mode, a
dialog box is displayed, indicating that the hardware does not support the S-ECO mode.
After you click OK, the UPS works in ECO mode.
When the bypass input voltage waveform is good (the voltage and frequency
are within the preset bypass range, the PF is greater than 0.5, and the load
rate is greater than 5%), the UPS works in bypass mode preferentially and the
inverter starts for hot backup to achieve 0 ms transfer. When the load
harmonic is greater than the preset value, the inverter output compensates
for the harmonic component in the load.
If the bypass input voltage waveform is poor (the voltage and frequency
exceed the preset bypass range, the PF is less than 0.5, or the load rate is less
than 5%), the UPS works in inverter mode preferentially.
In either bypass mode or inverter mode, the rectifier is started all the time
and charges batteries using a charger.
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