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GoodWe / Inverters
GoodWe GW20K-ET 20kW Three Phase HV Hybrid Inverter
20kW three-phase high-voltage hybrid inverter with 2 MPPTs and a 200–800V lithium-ion battery range. Supports peak shaving, external-load control through a dry contact, and backup power.
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- 2 MPPTs / 4 PV strings
- 200–800V high-voltage battery
- 50A continuous battery current
- Peak shaving and dry-contact load control
- IP66 protection
- Up to 98.0% efficiency
Product overview
- Brand
- GoodWe
- Model
- GW20K-ET
- Capacity
- 20 kW
- System type
- Hybrid
- Warranty
- 5 years replacement warranty
- Availability
- Confirm on WhatsApp
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Specifications are taken from the manufacturer’s product information for the model shown. Your quotation will confirm the supplied configuration, compatible equipment and local warranty coverage.
Technical specifications
GW20K-ET · Select a section to view its specifications.
Battery input
- Battery type
- Lithium-ion
- Nominal battery voltage
- 500 V
- Battery voltage range
- 200–800 V
- Battery start-up voltage
- 200 V
- Battery inputs
- 1
- Maximum continuous charging current
- 50 A
- Maximum continuous discharging current
- 50 A
- Maximum charging power
- 20000 W
- Maximum discharging power
- 20000 W
PV input
- Maximum PV input power
- 30000 W
- Maximum input voltage
- 1,000 V
- Maximum operating voltage
- 950 V
- MPPT operating voltage range
- 200–850 V
- PV start-up voltage
- 200 V
- Nominal input voltage
- 620 V
- Maximum input current per MPPT
- 30 A
- Maximum input current per string
- 15 A
- Maximum short-circuit current per MPPT
- 38 A
- MPPT trackers
- 2
- Strings per MPPT
- 2 / 2
AC output — on-grid
- Nominal output power
- 20000 W
- Nominal apparent power to grid
- 20000 VA
- Maximum apparent power to grid
- 22000 VA
- Maximum apparent power from grid
- 20000 VA
- Nominal output voltage
- 380 / 400 V, 3L / N / PE
- Output voltage range (phase voltage)
- 0–300 V
- Nominal grid frequency
- 50 / 60 Hz
- Grid frequency range
- 45–65 Hz
- Maximum current to grid
- 31.9 A
- Maximum current to grid at 380V
- 33.3 A
- Maximum current from grid
- 30.3 A
- Nominal output current at 380V
- 30.3 A
- Power factor
- Approximately 1; adjustable from 0.8 leading to 0.8 lagging
- Maximum total harmonic distortion
- ≤3.05%
AC output — backup
- Nominal apparent power
- 20000 VA
- Maximum apparent power without grid
- 20,000 VA (24,000 VA for 60s; 32,000 VA for 3s)
- Maximum apparent power with grid
- 20000 VA
- Maximum output current
- 30.3 A (36.4 A for 60s; 48.5 A for 3s)
- Nominal output voltage
- 380 / 400 V
- Nominal output frequency
- 50 / 60 Hz
- Output THDv at linear load
- <3%
Efficiency
- Maximum efficiency
- 98.0%
- European efficiency
- 97.5%
- Maximum battery-to-AC efficiency
- 97.5%
- MPPT efficiency
- 99.9%
Protection
- PV string current monitoring
- Integrated
- PV insulation resistance detection
- Integrated
- Residual current monitoring
- Integrated
- PV reverse polarity protection
- Integrated
- Battery reverse polarity protection
- Integrated
- Anti-islanding protection
- Integrated
- AC overcurrent protection
- Integrated
- AC short circuit protection
- Integrated
- AC overvoltage protection
- Integrated
- DC switch
- Integrated
- DC surge protection
- Type II
- AC surge protection
- Type III
- AFCI
- Optional
- Rapid shutdown
- Optional
- Remote shutdown
- Integrated
General data
- Operating temperature
- −35 to +60°C
- Relative humidity
- 0–95%
- Maximum operating altitude
- 4,000 m
- Cooling
- Smart fan cooling
- User interface
- LED, WLAN + app
- BMS communication
- RS485 / CAN
- Meter communication
- RS485
- Portal communication
- Wi-Fi + LAN + Bluetooth
- Weight
- 48 kg
- Dimensions (W × H × D)
- 520 × 660 × 220 mm
- Noise
- <45 dB
- Topology
- Non-isolated
- Night self-consumption
- <15 W
- Ingress protection
- IP66
- Mounting
- Wall mounted
- Night self-consumption condition
- No backup output
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