The FIMER PVS-166/175-TL-US is a three-phase string inverter family made up of the PVS-166-TL US and PVS-175-TL US models. At unity power factor and 40°C, the PVS-166-TL US is rated 166 500 W of AC output and the PVS-175-TL US 175 000 W. Both connect to an 800 V rated AC grid. Maximum efficiency is 98.6 percent. Current is monitored per MPPT, not per individual string. For communication it uses SunSpec-compliant Modbus RTU and Modbus TCP. Inverter parameters can be upgraded remotely over Ethernet or WLAN using SunSpec Modbus. Its grid support functions are voltage and frequency ride-through with trip limits, fixed power factor, fixed reactive power, power factor as a function of output power, and Volt/VAr control. Reactive power control is disabled by default, so the inverter runs at unity power factor. To change grid settings in the internal webserver, you need a Wi-Fi connection to the inverter.
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manufactured_byc1 drafted · lead FIMER proposed
fig=51 h=febe2b4c4aeereview note: support check: partial - The evidence is only a manual title naming FIMER and the product; it implies but does not state manufacturer.
rated_powerc2 drafted · lead nominal 175000 W
Conditions: PVS-175-TL US model, rated AC power at cosφ=1 and 40°C
tbl=9.r25 h=f8b68fd6fbfbtbl=23.r24 h=fbb2f466bee8nominal_voltagec3 drafted · lead nominal 800 V
Conditions: Rated AC grid voltage, both models
tbl=9.r28 h=6a86f3ad90a5efficiencyc4 drafted · lead nominal 98.6 PERCENT
Conditions: Maximum (peak) efficiency
tbl=9.r43 h=5606429953bbtbl=23.r42 h=00ff82ea66b5uses_protocolc5 drafted · lead Modbus RTU
tbl=10.r4 h=f6b57076a012c6 drafted · lead Modbus TCP
tbl=10.r4 h=f6b57076a012c7 drafted · lead SunSpec Modbus
Modbus implementation stated as SunSpec compliant; also used for remote parameter upgrade
tbl=10.r4 h=f6b57076a012tbl=10.r8 h=f2d5c9d69c73Remote inverter parameter upgrade via Ethernet/WLAN
tbl=10.r8 h=f2d5c9d69c73Wi-Fi connection required to change grid settings through the internal webserver
tbl=10.r8 h=f2d5c9d69c73sec=7.5 h=c4b5570a38dfimplementsc10 drafted · lead String monitoring
Current sensing at MPPT level rather than per string
tbl=9.r22 h=a3a66281271ftbl=23.r21 h=fce07ebc6485c11 drafted · lead Voltage ride-through
sec=7.5 h=c4b5570a38dfc12 verified · fact Frequency ride-through
sec=7.5 h=c4b5570a38dfverified by: review-workflowverified on: 2026-10-24
c13 drafted · lead Voltage trip
Disconnects from grid after programmed delay on abnormal voltage
sec=7.5 h=c4b5570a38dfc14 verified · fact Frequency trip
Disconnects after programmed delay on frequency excursion
sec=7.5 h=c4b5570a38dfverified by: review-workflowverified on: 2026-10-24
c15 drafted · lead Constant power factor mode
Cosφ set mode; default reactive power setting is disabled (unity power factor)
sec=7.5 h=c4b5570a38dfc16 drafted · lead Constant reactive power mode
Q Set mode
sec=7.5 h=c4b5570a38dfc17 drafted · lead Watt-power factor
Cosφ(P) with a 4-point curve adjustable via webserver
sec=7.5 h=c4b5570a38dfQ(V) with a 4-point curve adjustable via webserver
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