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Special Purpose Utility-Interactive
This unit has been evaluated according to IEEE1547 and IEEE1574.1 utility interconnection protective functions.
When "Special Purpose Utility-Interactive" (SPUI) setup is activated, the inverter no longer complies with these
standards because the islanding function is disabled, the frequency and voltage-dependent power reduction is
activated, and the frequency and voltage limits are changed.
Frequency Dependent Power Reduction (FDPR): When the specified grid frequency limit value is exceeded, the
effective power is reduced according to a defined gradient.
Voltage Dependent Power Reduction (VDPR): When the specified grid voltage limit value is exceeded, the max-
imum effective power is reduced. The power is reduced by a specified gradient according to the phase with the
highest voltage.
The field adjustable trip points can be set in the PROFI Service Menu. The access code will be provided by Fro-
nius upon request.
For detailed information, ask your national technical support team (TSN).
Setup MG3P/Setup MG3N Setup MG2N
V
AC
[V] Clearing Time [s]
Clearing Time [p]
V
AC
[V] Clearing Time [s]
Clearing Time [p]
V outer limit min 58 0.5
28
61 0.5
28
V inner limit min 92 0.5
28
98 0.5
28
V outer limit max 138 0.5
28
146 0.5
28
V inner limit max 138 0.5
28
146 0.5
28
V outer limit MIN
adjustable
60–119 0.016–21.0
1–1260
60–132 0.02–21.0
1–1050
V outer limit MAX
adjustable
121–166 0.016–21.0
1–1260
126–166 0.02–21.0
1–1050
V-VDPR 132 V -9%/V 140 V -9%/V
Setup MG1P/Setup MG1N
V
AC
[V] Clearing Time [s]
Clearing Time [p]
V outer limit min 67 0.5
28
V inner limit min 106 0.5
28
V outer limit max 159 0.5
28
V inner limit max 159 0.5
28
V outer limit MIN
adjustable
60–137 0.016–21.0
1–1260
V outer limit MAX
adjustable
140–166 0.016–21.0
1–1260
V-VDPR 152 V -9%/V
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