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Edition 2.0 2010/06
Current) power. Because Inverter is grid-connected it controls the current amplitude
according to the PV Panel power supply. Inverter always tries to convert the
maximum power from your PV panel(s).
C. Connection system: This “interface” between Utility and PV-Inverter may
consist of electrical breaker, fuse and connecting terminals. To comply with local
safety standards and codes, the connection system should be designed and
implemented by a qualified technician.
D. Utility: Referred to as “grid” in this manual, is the way your electric power
company provides power to your place. Please note that Inverter can only connect
to low-voltage systems (namely, 230VAC, 50/60Hz).
3. Modes of operation
There are 3 different modes of operation.
1) Normal mode:
In this mode, Inverter works normally. Whenever the supplied power from PV panel
is sufficient (voltage>150VDC), Inverter converts power to the grid as generated by
the PV panel. If the power is insufficient, (voltage<120VDC) Inverter enters a
“waiting” state. Whilst “waiting” Inverter uses just enough power from the PV panel
monitor internal system status. In normal mode the green LED is on.
2) Fault mode
The internal intelligent controller can continuously monitor and adjust the system
status. If Inverter finds any unexpected conditions such as grid problems or
internal failure, it will display the information on its LCD and light up the red “Fault”
LED.
3) Shutdown mode
During periods of little or no sunlight, Inverter automatically stops running. In this
mode, Inverter does not take any power from the grid. The display and LED’s on
the front panel do not work.
Notes
Operating Inverter is quite easy. During normal operation, Inverter runs automatically.
However, to achieve maximum conversion efficiency of Inverter please read the following
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