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Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18
9 Settings
9.23 Controlling the power by means of fre-
quency
The parameters are set according to the require-
ments of the selected country. A change to the
parameter settings may result in the approval be-
ing lost. This setting should only be changed after
consultation with Delta customer service.
Overview
With this function you can control the active power that is fed into
the grid by means of the grid frequency.
To change this setting you will need a special
password which you can obtain from Delta cus-
tomer service. You will find the contact data on
the last page of this document.
Default behaviour for
Germany LV
(VDE-AR-N 4105) grid
Pm
f (Hz)
fstart
fstop
radient (%/ )
Default behaviour for
Germany LV
(BDEW) grid
Pm
f (Hz)
fstart
fstop
radient (%/ )
Path to the menu item
Main Menu
>
Settings
>
Active / Reactive Power Control
>
Active Power Control
>
Power vs. Frequency
Setting options
Parameter
Description / Setting range
Actual / Rated
Power
The parameter is permanently set to
Rated
and cannot be changed.
Parameter
Description / Setting range
Start Frequency
The grid frequency at which the active
power fed into the grid is reduced accord-
ing to the preset gradient.
Setting range:
50.00 .. 55.00 Hz
Stop Frequency
The grid frequency at which feeding into
the grid is stopped.
Setting range:
50.00 .. 55.00 Hz
Recovery Fre-
quency
The grid frequency at which the inverter
once more feeds the full active power into
the grid.
Setting range:
50.00 .. 55.00 Hz
Gradient
If the grid frequency falls below the value
in the
Recovery Frequency
parameter
again, the active power will be continu-
ously increased by the value set here until
the full active power is reached.
Setting range:
0 .. 100 %/Hz
Recovery Time
If the grid frequency falls below the value
in the
Recovery Frequency
parameter
again, the inverter waits for the time set
here before supplying power to the grid.
Setting range:
0 .. 600 s
Mode
Setting range:
ON
: The function is switched on.
OFF
: The function is switched off.