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6.8 Operation Mode
There are 4 operation modes: Logo/Start-up, Normal Operation, Standby
and Fault modes. See section 4.3 for details of these modes.
1. Logo/Start-up mode displays the Chint Power Systems logo when the
inverter is checking if conditions are met for connection after a manual
start-up of the inverter.
2. Normal Operation mode is the default indication interface for normal
operation. In this mode, the inverter is converting the DC power from
the array to AC power, feeding it continuously to the grid.
3. Standby mode is active when the output voltage and power of PV
modules do not meet the startup conditions or PV voltage and input
power are lower than the set value. The inverter will check
automatically whether it meets the startup conditions in this mode until
it turns back to Normal Operation mode.
4. Fault mode is displayed when the inverter disconnects from the grid
due to a fault in the inverter or grid. Check the Fault log under Current
Errors and reference the “Troubleshooting” table in section 7 to
determine the cause of the error.
6.9 Grid-tied Power Generation
The CPS SCA50KTL-DO/US-480 and SCA60KTL-DO/US-480 series
inverters have an automatic grid-tied power generation process. It will check
constantly whether AC power grid meets the conditions for grid-tied power
generation, and test whether the PV array has adequate energy. After all
conditions are met, the inverter will enter Normal Operation mode and export
power to the grid. While generating power, the inverter can detect the power
grid at all times, supply current, matching voltage and frequency of the grid
and keep the photovoltaic array output at the maximum power point.
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