10 Operating the LCD Menu
User Manual
102
Press
to select parameter,
Press
to move cursor
right and
Press
to set the appropriate value.
Confirm settings by
pressing
ENTER
.
Tab. 10-11
Grid protection Recovery Value
Parameter
Explanation
Fmax
recover
Inverter can start operating only when the grid frequency is below
Fmax recovery.
The fault recovery value when the grid over-frequency occurs.
Fmin recover
Inverter can start operating only when the grid frequency is above
Fmin recovery.
The fault recovery value when the grid under-frequency occurs.
Vmax
recover
Inverter can start operating only when the grid voltage is below
Vmax recover.
The fault recovery value when the grid over-voltage occurs.
Vmin recover
Inverter can start operating only when the grid voltage is above Vmin
recover.
The fault recovery value when the grid under-voltage occurs.
Press
to select parameter,
Press
to move
cursor right and
Press
to set the appropriate
value. Confirm settings by
pressing
ENTER
.
Tab. 10-12
New Protective Parameters Explanation
Parameter
Explanation
Default
Range
Vgrid-unbalance Acceptable
grid-asymmetry
10%
5%...20%
Unbalance-time Trip-time
of
grid-asymmetry
5s
1s…50s
Vgrid-temp Temporary
over-voltage of grid
445V
380V…500V
Temp-V.time
Trip-time of temporary
over-voltage
1ms 0…2
ms
10mins-Vmax
Over-voltage protection value of
10-min average voltage
257.6V 220V…299V