SerialNO. : XXXXXXXXXX
FW Version : S.1.9
Test Date : 22/07/2011
Start Time : 19:43:50
Max Voltage
Limit Value : 270.0 V -- 40 ms
Trip Value : 222.0 V -- 40 ms
Step Result : PASS
Min Voltage
Limit Value : 190.0 V -- 40 ms
Trip Value : 222.0 V -- 40 ms
Step Result : PASS
Max Freqency
Limit Value : 50.27 Hz -- 40 ms
Trip Value : 50.02 Hz -- 40 ms
Step Result : PASS
Min Freqency
Limit Value : 49.73 Hz -- 40 ms
Trip Value : 49.98 Hz -- 40 ms
Step Result : PASS
3.
First test over-voltage protection, read the limit value, time value, protection
value;
4.
The second step test under-voltage protection, read the limit value, time value,
protection value;
5.
The third step test over-frequency protection, read the limit value, time value,
the protection value;
6.
The fourth step test under-frequency protection, read the limit value, time
value, the protection value;
7.
Upon completion of these four steps to complete the test and production test
display the document, as follows:
20
21
MODES OF OPERATION
7
There are 3 different modes of operation.
7.1 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 LED is green.
7.2 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 the LED will be red.
7.3 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 information:
Automatic ON-OFF: Inverter starts up automatically when DC-power from the PV
panel is sufficient.
Once the PV-Inverter starts it enters one of the following 3 states:
1.
Standby: The PV string can only provide just enough voltage to minimum
requirements of the controller.
2.
Waiting: When the PV string DC voltage is greater than 100V, Inverter enters
“waiting” state and attempts to connect to the grid.
3.
Normal operation: When PV string DC voltage is greater than 150V, Inverter
operates in the normal state.