GoodWe 80KW three phase hybrid inverter (HV) – GW80K-ET-10+ STS Static Transfer Switch

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The GoodWe GW80K-ET-10 is a high-voltage, three-phase hybrid inverter from GoodWe’s ET Series designed for commercial and industrial solar-plus-storage systems. It supports PV generation, battery integration, and grid interaction within a single inverter platform. The unit incorporates multiple MPPT trackers for flexible array design, robust safety protections, and intelligent energy management. When paired with an STS Static Transfer Switch, the system enables seamless switching between grid-connected and backup power modes with near-UPS performance, making it suitable for applications requiring reliability and continuous operation during grid disturbances.

Technical Specifications

Model Identification

Specification	Details
Model Name	GW80K-ET-10
Series	ET Series Hybrid Inverter
Application	Commercial & Industrial PV + Storage

DC & PV Inputs

Specification	Details
Max. DC Input Voltage	1000 V DC
MPPT Voltage Operating Range	160 – 950 V DC
Number of MPPTs	6
Strings per MPPT	2
Max. Input Current per MPPT	40 A
Max. Short-Circuit Current per MPPT	50 A

Battery / Storage Side

Specification	Details
Battery Voltage Range	300 – 800 V DC
Battery Inputs	Dual independent battery inputs
Charging Current (each)	110 A
Discharging Current (each)	110 A

AC Output & Grid Interaction

Specification	Details
Nominal AC Output Power	80 kW
Nominal Apparent Power	80 kVA
Max. Apparent Power to Grid	88 kVA
Nominal Grid Voltage	220/380, 230/400, 240/415 V (3L/N/PE)
Grid Frequency	50/60 Hz
Grid Frequency Range	45 – 55 Hz / 55 – 65 Hz
AC Overload Capability	150 % @ 10 s
Unbalanced Load Support	110 %

Performance & Efficiency

Specification	Details
Max. Efficiency	98.1 %
Ingress Protection Rating	IP66
Cooling Method	Intelligent fan cooling
Communication	Modbus-RTU / Modbus-TCP, CAN for battery

Physical & Installation

Specification	Details
Mounting	Wall-mounted
Weight	85 kg
Dimensions (W×H×D)	780 × 620 × 310 mm

STS Static Transfer Switch (for ET Series)

Feature	Function
UPS-Level Switch Timing	Transfers between grid and backup / generator source for continuous supply
Control Interfaces	DI/DO for external device integration
Integration	Works with ET Series hybrid mode to manage source switching
Safety Functions	Interlocking & fault detection