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Front Panel Display Screens and What They Mean
975-0320-01-01
5–3
The protection timer begins counting down the reconnect delay during startup and
the “Reconnecting in
sss
seconds” screen appears until the timer countdown is
complete.
Vph=
130V
Clr t < 1.00s
3 seconds
Vph:
phase-to-neutral (rms) high threshold
voltage setting, the threshold at which the inverter
disconnects itself from the power grid when
abnormally high phase-to-neutral AC voltage is
detected.
Clr t:
clear time.
Vpl=
107V
Clr t < 2.00s
3 seconds
Vpl:
phase-to-neutral (rms) low threshold voltage
setting, the threshold at which the inverter
disconnects itself from the power grid when
abnormally low phase-to-neutral AC voltage is
detected.
Clr t:
clear time.
Fh=
60.4Hz
Clr t < 0.16s
3 seconds
Fh:
frequency high threshold setting, the threshold
at which the inverter disconnects itself from the
power grid when abnormally high frequency is
detected.
Clr t:
clear time.
Fl=
59.4Hz
Clr t < 0.16s
3 seconds
Fl:
frequency low threshold setting, the threshold
at which the inverter disconnects itself from the
power grid when abnormally low frequency is
detected.
Clr t:
clear time.
Reconnect Delay
305.00s
3 seconds Setting for the reconnect delay for the protection
timer. After a fault clears for the specified clear
time, the protection timer starts counting down
before the inverter attempts to deliver power to the
grid.
* The voltage and frequency thresholds, clear times and reconnect delay in
Table 5-1 can be adjusted for multi-unit installations producing 30 kW or more
(with the permission of the local utility) using GTConfigLite software.
† The clear time is the total time to disconnect the output from the grid. It is the
sum of the debounce time and the hardware delay time. The debounce time is
the protection processor waiting time before it declares a fault. This delay is
necessary to avoid nuisance trips. The hardware delay time (100 ms maximum)
is the time taken by the hardware to disconnect the output from the grid after a
fault has been declared.
Table 5-1
Startup Screens on GT Inverter Front Panel Display
Display
Duration
Description
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