Fronius Symo x.x-3-S Manuale d'uso

Pagina 39

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37

EN

Version

Displays the version and serial numbers of the PC boards in the inverter (e.g. for service
purposes)

Monitoring the grid:

GMTi - start-up time of inverter in s

GMTr - reconnection time in s following a grid fault

ULL - mean grid voltage over 10 minutes in V.

LLTrip - trip time for long-term voltage monitoring

Grid voltage limits:

UILmax - upper inner grid voltage in V

UILmin - lower inner grid voltage in V

Grid frequency limits:

FILmax - upper inner grid frequency in Hz

FILmin - lower inner grid frequency in Hz

Q-mode:

Current power factor setting cos phi
(e.g. Constant Cos(phi) / Constant Q / Q(U)-characteristic / etc.)

AC power limit:

Max. P AC - manual power reduction

AC voltage derating:

Status - ON / OFF voltage-dependent power reduction

GVDPRe - threshold from which the voltage-dependent power
reduction begins

GVDPRv - reduction gradient used to reduce the power, e.g.:
10% per volt above the GVDPRe threshold.

Message - activates the sending of an info message via Fronius
Solar Net

Fault Ride Through:

Status - default setting: OFF
If the function is activated, the inverter does not switch off im-
mediately in the event of a short-term AC voltage interruption
(outside of the limits specified by the grid supplier), but instead
continues to feed in power for a defined period.

DB min - default setting: 90%
"Dead Band Minimum" setting in percent

DB max - default setting: 120%
"Dead Band Maximum" setting in percent

k-Fac. - default setting: 0

Display area

Display / Display Software / Integrity Checksum / Memory Card
/ Memory Card #1 / Power Stage / Power Stage Software / EMI
Filter / Power Stage #3 / Power Stage #4

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