Fronius Primo GEN24, Operating Instructions Manual

Page: 57 / 76

Application example with "Return Gradient 2 Mode".
Parameter Range of val-
ues Description Availability
"Deactivation
Time" 0
‑
600 [s] Used when "Mode" is set to
"On (with Hysteresis)".
Waiting time after which
the inverter increases the
power again (after the grid
frequency is again within
the permitted frequency
range between "Upper De-
activation Threshold" and
"Lower Deactivation
Threshold").
"Initial Delay" 0.5
‑
60 [s] Delays the start of the fre-
quency-dependent power
control after exceeding
the respective "Activation
Threshold".
"Time Constant
(
τ )"
0
‑
60 [s] Time constant (1 Tau) in
seconds [s]. Whenever the
set value is changed, this
new set value is not
triggered abruptly, but
smoothly in accordance
with a PT1 response. The
time constant describes
how quickly the new set
value is reached. (After
three time constants the
final value 95 % is
reached)
57
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