Fronius Primo GEN24 Plus

Inverter for private PV systems with PV Point or Full Backup

Our single-phase Fronius GEN24 Plus hybrid inverter is the ideal core for private PV systems. The Fronius GEN24 Plus offers an integrated basic backup power supply with PV Point and even a full backup power solution through the option of connecting a battery storage system.

The Fronius GEN24 Plus hybrid inverter enables energy self-sufficiency for electricity, heating, cooling and e-mobility with the use of a battery system. This means that the Fronius GEN24 Plus with Full Backup* has a backup power solutionthat even large consumers can use, such as heat pumps. What’s more, the Multi Flow Technology lets the hybrid inverter supply parallel energy flows in the system, even in backup power mode.

* Additional external components for grid switchover are required for the Full Backup. More information on this can be found in the operating instructions.

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Product details

Technical Data

Input Data

Number of MPP trackers	2
Maximum PV input power	8260 W
Max. input current (I_{dc max})	22 / 22 A
Max. short circuit current, module array*	41,25 / 36 A
DC input voltage range (U_{dc min} - U_{dc max})	65 - 600 V
Feed-in start voltage (U_{dc start})	80 V
Nominal input voltage (U_dc,r)	400 V
MPP voltage range (U_{mpp min} - U_{mpp max})	260 - 480 V
Usable MPP voltage range	65 - 480 V
Number of DC connections	2+2
Max. PV generator power (P_{dc max})	12 kWpeak

Output Data

AC nominal output (P_ac,r)	8000 W
Max. output power (P_{ac max})	8000 VA
Max. AC output current	45,45 A
Grid connection (U_ac,r)	1~ NPE 220/230 V
AC voltage range (U_min - U_max)	155 - 270 V
Frequency (f_r)	50 / 60 Hz
Frequency range (f_min - f_max)	45 - 65 Hz
Total harmonic distortion	<3% @Pnom (230/400VAC 50Hz)
Power factor (cos φ_ac,r)	0,8 - 1 ind./cap.

Output Data PV Point

Max continuous output power	3000 VA
Nom. output current _{(Iac max)}	13 A
Max. switchover time PV-Point	20 s
Frequency in backup power mode	53 Hz

Battery Connection

Max. input current (I_{dc max.})	22 A
DC input voltage range (U_dc _min - U_dc _max)	150 V - 455 V ⁷⁾
Max. input / output power (Depending on the connected battery)	8260 W
Min. DC input voltage	150 V
Max. DC input voltage	455 V

General Data

Length	595 mm
Width	529 mm
Height	595 mm
Depth	180 mm
Weight	21 kg
Weight incl. packaging	26,05 kg
Degree of protection	IP66
Protection class	1
Overvoltage category (DC / AC)¹⁾	2 / 3
Night-time consumption	9 W
Inverter design	Transfomerless
Cooling	Regulated air cooling
Installation	Indoor and outdoor installation
Ambient temperature range	-40°C - +60°C
Permitted humidity	0 - 100 %
Max. altitude ²⁾	4000 m
DC PV connection technology	4x DC+ and 4x DC- push-in spring terminals 2.5 - 10 mm²
DC battery connection technology	1x BATT+ and 1x BATT- push-in spring terminals 2.5 - 10 mm²
AC connection technology	3 pole AC push-in spring terminals 2.5 - 10 mm² 3 pole backup power push-in spring terminals 1.5mm² - 10mm² 2x PE-screw terminals 2.5 - 16 mm² and 3x 2,5 - 10mm²
Back-up power functions	PV Point, Full backup ⁴⁾
Compatible batteries ⁶⁾	BYD Battery-Box Premium HVS/HVM & LG RESU FLEX ⁵⁾
Sound emissions	51 dB(A)
Interference emission class	B

Efficiency

Max. efficiency (PV - grid)	97,3 %
European efficiency (ηEU)	96.5 / 96.9 / 96.4 (260Vdc / 400Vdc / 480Vdc)
η at 5% P_ac,r³⁾	90.3 / 91.2 / 88.7 (260Vdc / 400Vdc / 480Vdc)
η at 10% P_ac,r³⁾	94.4 / 94.9 / 93.5 (260Vdc / 400Vdc / 480Vdc)
η at 20% P_ac,r³⁾	96.3 / 96.6 / 96.0 (260Vdc / 400Vdc / 480Vdc)
η at 25% P_ac,r³⁾	96.6 / 96.9 / 96.4 (260Vdc / 400Vdc / 480Vdc)
η at 30% P_ac,r³⁾	96.8 / 97.1 / 96.7 (260Vdc / 400Vdc / 480Vdc)
η at 50% P_ac,r³⁾	97.0 / 97.3 / 97.0 (260Vdc / 400Vdc / 480Vdc)
η at 75% P_ac,r³⁾	97.0 / 97.3 / 97.1 (260Vdc / 400Vdc / 480Vdc)
η at 100% P_ac,r³⁾	96.8 / 97.2 / 96.9 (260Vdc / 400Vdc / 480Vdc)
MPP adaptation efficiency	99,74

Protection Devices

DC insulation measurement	Yes
Overload behaviour	Operating point shift. Power limitation
DC disconnector	Yes
DC Reverse polarity protection	Yes

Interfaces

WLAN / 2x Ethernet LAN	Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6x digital in/out + 6x digital in	Interface to ripple control receiver, energy management
Emergency stop (WSD)	Yes
Datalogger and web server	Included
2x RS485	Modbus RTU SunSpec (third-party supplier) / Fronius Smart Meter, battery, Fronius Ohmpilot

Technology

Integrated data communication

We are the first inverter manufacturer to offer a data communication package with fully integrated datalogging, WLAN, Ethernet, energy management, web server and a range of interfaces. The inverter is connected to the internet by network cable or WLAN - without additional cabling - and grants you the perfect overview of how the PV system is operating. Connection to third-party components is provided by means of interfaces such as Modbus TCP SunSpec, Modbus RTU SunSpec or Fronius Solar API (JSON). The open interfaces can also be operated in parallel to the Fronius Solar.web.

SuperFlex Design

The Fronius SuperFlex Design is an ingenious combination of technical performance attributes that make designing your PV system not only extremely simple, but also incredibly flexible. The key performance factors of the SuperFlex Design are two MPP trackers, together with a high system voltage and wide DC input voltage range. Every DC input, and therefore every MPP tracker, is able to accommodate the entire nominal output of the inverter. Regardless of whether the inverter has to cope with different roof orientations, shading of one or two strings, or the use of residual modules: a Fronius inverter featuring integrated SuperFlex Design will satisfy every conceivable operational PV system planning scenario using just a single inverter model.

Dynamic Peak Manager

The Dynamic Peak Manager is a new MPP tracking algorithm that dynamically adapts its behaviour when searching for the optimal operating point. Its special feature is that the Dynamic Peak Manager automatically checks the entire characteristic curve on a regular basis and finds the global Maximum Power Point (GMPP), even in partial shade.

Multi Flow Technology

Using Multi Flow Technology, different DC and AC energy flows are possible in parallel. On the one hand, this allows energy from the modules and from the battery to be made available for domestic use at the same time. However, it is also possible for the energy from the modules to be simultaneously fed into the battery and the in-house network. Furthermore, not only can the battery be charged from the DC side, but also from the AC side (for example from existing PV systems or other energy sources, such as a wind turbine). This means the inverter is also suitable for AC-coupled retrofitting. The inverter manages these energy flows in such a way that the highest possible degree of self-sufficiency is achieved.

Full Backup

With the full backup option, the entire household, i.e. 1 phase as well as 3 phase devices, can be supplied with electricity in the event of a grid outage. For Full Backup, a battery and a switching device for safe grid disconnection are required in addition to the inverter.

PV Point

The integrated basic grid back-up - a socket that is supplied with power during power outages - ensures that important loads can conitunue to operate should the power fail.

Active Cooling

Active cooling technology relies on one or more fans, which not only avoid hot spots, but also regulate the air circulation inside the inverter, thus keeping the temperature of the power electronics low. This has a positive effect on the service life of the devices, optimises yields and reduces costs. At Fronius, active cooling is supplied as standard in all devices.

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