Growatt (WIT 15K-HU)

🌞 WIT 15K-HU Specifications

🔌 PV Input Data

• Max. recommended PV power (STC): 24000W
• Max. input voltage: 1000V
• Start voltage: 180V
• Nominal voltage: 600V
• MPPT voltage range: 150V – 850V
• Max. input current per MPP tracker: 20A
• Max. short-circuit current per MPP tracker: 25A
• Number of MPP trackers: 2
• Number of PV strings per MPP tracker: 1

Battery Data (DC)

• Battery type: Lead-acid or Lithium-ion
• Battery voltage range / Rated voltage: 40–60V / 51.2V
• Max. charging/discharging current: 290A
• BMS communication: RS485 / CAN

⚡ AC Output Data (Grid)

• AC nominal power: 15000W
• Max. AC apparent power: 16500VA
• Nominal AC voltage / range: 220V/380V, 230V/400V, -15% ~ +10%
• Nominal AC grid frequency / range: 50/60Hz, 4565Hz
• Max. output current: 25A @ 220V / 23.9A @ 230V
• Adjustable power factor: -1 … +1
• THDi: <3%
• AC grid connection type: 3P3W + PE / 3P4W + PE

🔌 Backup Power Output (AC)

• Rated AC output power: 15000W
• Max. AC apparent power: 16500VA
• Rated AC output voltage: 220V/380V, 230V/400V
• Nominal AC output frequency: 50/60Hz
• Max. output current (Backup): 45.5A @ 220V / 43.4A @ 230V
• THDv: 3% (Linear load)
• Load unbalance: 100% three-phase unbalanced
• On/off grid transfer time: 10 ms

🌟 Efficiency

• Max. efficiency: 97.60%
• European efficiency: 97.00%
• MPPT efficiency: 99.90%

🛡 Protection

• PV reverse polarity protection: ✔️
• DC switch: ✔️
• DC/AC surge protection: Type II / Type III
• Insulation resistance monitoring: ✔️
• Residual-current monitoring unit: ✔️
• AC short-circuit protection: ✔️
• Ground fault monitoring: ✔️
• Grid monitoring: ✔️
• Strings monitoring: ✔️
• Anti-islanding protection: ✔️
• PID protection: Optional
• AFCI function: Optional