Growatt inverter Growatt HIBRID WIT 15K-HU (15KW) 3-phase
Product details
1.DescriptionThe WIT 4-15K-HU hybrid inverter, compatible with the widest range of low-voltage batteries, is the perfect solution for smart energy management in your home or business, offering superior performance and flexibility. A major advantage of this model is its compatibility with low voltage batteries, allowing more affordable and efficient integration with existing storage systems.
Key Features:
Low Voltage Battery Compatible: Provides an affordable and flexible option for storing and managing energy, reducing overall system costs.
Hybrid system: Works with both solar, grid and batteries, offering maximum flexibility and energy independence.
Transfer time of just 10 milliseconds: Ensures instant and efficient transition between power sources, guaranteeing seamless back-up for essential equipment.
Maximum string current up to 20A: Perfect for high-performance solar panels, ensuring maximum solar energy capture.
Maximum charge/discharge current up to 290A: Provides efficient battery utilisation, maximising energy flow.
Support for up to 6 units connected in parallel: Easily expand the capacity of your system by adding multiple inverters to handle larger loads.
100% unbalanced load in backup mode: Maintains power stability even under unbalanced load conditions.
110% AC overload capacity: Provides extra performance in peak load situations.
UPS function and black start: Ensures power continuity and the ability to start from a completely off state (black start).
Generator input and intelligent load control: Generator integration and automatic load management optimises the use of available power.
TheWIT 4-15K-HU is the ideal solution for those looking for an efficient, reliable and fast power system with minimal transfer time and extended functionality in all conditions.
2.Specification
Datasheet |
WIT 4K-HU |
WIT 5K-HU |
WIT 6K-HU |
WIT 8K-HU |
WIT 10K-HU |
WIT 12K-HU |
WIT 15K-HU |
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Input data (PV) | ||||||||
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Max. recommended PV power (for module STC) |
6400W |
8000W |
9600W |
12800W |
16000W |
19200W |
24000W |
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Max. input voltage |
1000V |
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Start voltage |
180V |
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Nominal voltage |
600V |
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MPPT voltage range |
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150V-850V |
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Max. input current per MPP tracker |
32A |
40A |
20A |
40A |
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Max. short-circuit current per MPP tracker |
50A |
50A |
25A |
50A |
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No. of PV strings per MPP tracker |
2 |
2 |
1 |
2/1 |
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No. of MPP trackers |
1 |
1 |
2 |
2 |
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Output data (AC) | ||||||||
AC nominal power |
4000W |
5000W |
6000W |
8000W |
10000W |
12000W |
15000W |
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Max. AC apparent power |
4400VA |
5500VA |
6600VA |
8800VA |
11000VA |
13200VA |
16500VA |
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Nominal AC voltage/range |
220V/380V, 230V/400V, -15%~+10% |
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Nominal AC grid frequency/range |
50/60Hz, 45~55Hz/55-65 Hz |
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Max. output current |
6.7A@220V, 6.4A@230V |
8.4A@220V, 7.9A@230V |
10.0A@220V, 9.6A@230V |
13.3A@220V, 12.8A@230V |
16.7A@220V, 15.9A@230V |
20A@220V, 19.1A@230V |
25A@220V, 23.9A@230V |
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Adjustable power factor |
-1…+1 |
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THDi |
<3% |
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AC grid connection type |
3P3W+PE/3P4W+PE |
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Input data (AC) | ||||||||
AC nominal power |
8000W |
10000W |
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12000W |
16000W |
20000W |
24000W |
30000W |
Max. AC apparent power |
8800VA |
11000VA |
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13200VA |
17600VA |
22000VA |
26400VA |
33000VA |
Nominal AC voltage/range |
220V/380V, 230V/400V, -15%~+10% |
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Nominal AC grid frequency/range |
50/60Hz, 45~55Hz/55-65 Hz |
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Max. input current |
13.4A@220V, 12.8A@230V |
16.7A@220V, 15.8A@230V |
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20.0A@220V, 19.1A@230V |
26.6A@220V, 25.5A@230V |
33.3A@220V, 31.9A@230V |
40A@220V, 38.3@230V |
50.1A@220V, 47.8A@230V |
Battery data (DC) | ||||||||
Battery type |
Lead-acid or Lithium-ion |
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Battery voltage range |
40-60V |
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Max charging and discharging current |
110A |
125A |
150A |
200A |
220A |
250A |
290A |
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Recommended battery voltage |
51.2V |
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BMS communication |
RS485/CAN |
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Backup power (AC)* | ||||||||
Rated AC output power |
4000W |
5000W |
6000W |
8000W |
10000W |
12000W |
15000W |
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Max. AC apparent power |
2 time of rated power, 10s |
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Rated AC output voltage |
220V/380V, 230V/400V |
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Nominal AC output frequency |
50/60Hz |
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Max. output current |
12.2A@220V 11.6A@230V |
15.2A@220V 14.4A@230V |
18.2A@220V 20.0A@230V |
24.2A@220V 23.2A@230V |
30.3A@220V 29A@230V |
36.4A@220V 34.8A@230V |
45.5A@220V 43.4A@230V |
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THDv |
3% (Linear load) |
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Load unbalance |
100% three-phase unbalanced |
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On/off grid transfer time |
10ms |
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Efficiency | ||||||||
Max. efficiency |
97.60% |
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European efficiency |
97.00% |
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MPPT efficiency |
99.90% |
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Protection devices | ||||||||
PV reverse polarity protection |
Yes |
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DC switch |
Yes |
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DC/AC surge protection |
Type II/Type III |
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Insulation resistance monitoring |
Yes |
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Residual-current monitoring unit |
Yes |
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AC short-circuit protection |
Yes |
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Ground fault monitoring |
Yes |
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Grid monitoring |
Yes |
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Strings monitoring |
Yes |
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Anti-islanding protection |
Yes |
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PID protection |
Opt |
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AFCI function |
Opt |
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General | ||||||||
Dimensions (W / H / D) |
475/698/240mm |
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Weight |
38kg |
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Operating temperature range |
–30°C ... +60°C (> 45°C, derating) |
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Noise |
≤50dB(A) |
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Relative humidity |
0~100% |
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Altitude |
3000m |
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Topology |
Transformerless |
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Cooling |
Smart air cooling |
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IP degree |
IP66 |
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Display |
OLED/LED+APP |
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Interfaces: RS485/USB |
Yes |
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Interfaces: WIFI/LAN |
Yes |
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Warranty (5/10 years) |
Yes/Opt |
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lEC62109, EC 61000, IEC 61727, EC 62116, IEC 61683, IEC 60068, EN 50549, VDE 4105 | ||||||||