Manuals+

GOODWE

ET Series

40/50kW | Three Phase | 3/4 MPPTs
Hybrid Inverter (HV)

GoodWe's ET Series inverters, available in 40kW and 50kW capacities, are designed for commercial and industrial PV installations. These adaptable inverters seamlessly integrate into both on-grid and off-grid applications, facilitating parallel connections in either scenario. When paired with the Static Transfer Switch (STS) Box from GoodWe, the inverter not only ensures dependable UPS-level switching to backup mode but also interacts with diesel generators to efficiently replenish batteries. Moreover, the ET Series is compatible with diverse battery capacities and brands, including the GoodWe Lynx C, offering a comprehensive energy storage solution.

Key Features:

¹ Optional functions or devices are purchased separately.

Technical Data

Battery Input Data

Parameter GW40K-ET-10 GW50K-ET-10
Battery Type Li-Ion Li-Ion
Nominal Battery Voltage (V) 500 500
Battery Voltage Range (V) 200 ~ 800 200 ~ 800
Start-up Voltage (V) 200 200
Number of Battery Input 1 1
Max. Continuous Charging Current (A) 100 100
Max. Continuous Discharging Current (A) 100 100
Max. Charging Power (W) 44000 55000
Max. Discharging Power (W) 44000 55000

PV String Input Data

Parameter GW40K-ET-10 GW50K-ET-10
Max. Input Power (W) 60000 75000
Max. Input Voltage (V) 1000 1000
MPPT Operating Voltage Range (V) 165~850 165~850
Start-up Voltage (V) 200 200
Nominal Input Voltage (V) 620 620
Max. Input Current per MPPT (A) 42/32/42 42/32/42/32
Max. Short Circuit Current per MPPT (A) 55/42/55 55/42/55/42
Number of MPP Trackers 3 4
Number of Strings per MPPT 2 2

AC Output Data (On-grid)

Parameter GW40K-ET-10 GW50K-ET-10
Nominal Output Power (W) 40000 50000
Nominal Apparent Power Output to Utility Grid (VA) 40000 50000
Max. Apparent Power Output to Utility Grid (VA) 44000 55000
Max. Apparent Power from Utility Grid (VA) 44000 55000
Nominal Output Voltage (V) 380/400, 3L/N/PE 380/400, 3L/N/PE
Output Voltage Range (V) 176~276 176~276
Nominal AC Grid Frequency (Hz) 50/60 50/60
AC Grid Frequency Range (Hz) 45~65 45~65
Max. AC Current Output to Utility Grid (A) 60.6 75.8
Max. AC Current From Utility Grid (A) 60.6 75.8
Power Factor ~1 (Adjustable from 0.8 leading to 0.8 lagging)
Max. Total Harmonic Distortion < 3%

AC Output Data (Back-up)*¹

Parameter GW40K-ET-10 GW50K-ET-10
Back-up Nominal Apparent Power (VA) 40000 50000
Max. Output Apparent Power (VA) 44000 (48000 at 60sec, 60000 at 10sec) 55000 (60000 at 60sec, 75000 at 10sec)
Max. Output Current (A) 66.7 83.3
Nominal Output Voltage (V) 380/400, 3L/N/PE 380/400, 3L/N/PE
Nominal Output Frequency (Hz) 50/60 50/60
Output THDv (@Linear Load) < 3%

Efficiency

Parameter GW40K-ET-10 GW50K-ET-10
Max. Efficiency 98.1% 98.1%
European Efficiency 97.5% 97.7%
Max. Battery to AC Efficiency 99.0% 99.0%
MPPT Efficiency 99.5% 99.5%

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 (Type I + II Optional)
AC Surge Protection Type II
AFCI Optional
Rapid Shutdown Integrated
Remote Shutdown Integrated

General Data

Operating Temperature Range (°C) -35~+60
Relative Humidity 0~95%
Max. Operating Altitude (m) 4000
Cooling Method Smart Fan Cooling
User Interface LED, WLAN + APP
Communication with BMS CAN
Communication with Meter RS485
Communication with Portal WIFI + LAN / 4G (Optional)
Weight (kg) 62
Dimension (W x H x D mm) 520 x 660 x 260
Topology Non-isolated
Self-consumption at Night (W) < 15
Ingress Protection Rating IP66
Mounting Method Wall Mounted

*¹ Backup function can be only realized with STS Box (Static Transfer Switch Box).

* Please visit GoodWe website for the latest certificates.

www.goodwe.com

Models: ET Series 40 50kW Three Phase 34 MPPTs Hybrid Inverter, ET Series, 40 50kW Three Phase 34 MPPTs Hybrid Inverter, Three Phase 34 MPPTs Hybrid Inverter, 34 MPPTs Hybrid Inverter, Hybrid Inverter, Inverter

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