GoodWe 30kW Hybrid 3-Phase High-Voltage Inverter (GW30K-ET) for Large Energy Storage Systems
The GoodWe 30kW hybrid 3-phase inverter is a high-performance energy storage inverter designed for large residential estates, commercial buildings, and light industrial applications. As part of the GoodWe ET Series, the GW30K-ET operates with high-voltage lithium battery systems, enabling higher efficiency, lower current, and improved system stability compared to low-voltage battery designs.
This GoodWe 30kW high-voltage hybrid inverter is built to manage large solar arrays, advanced load control, and energy cost optimization through peak shaving and intelligent power distribution.
Designed Applications of the GoodWe 30kW High-Voltage Hybrid Inverter
The GoodWe GW30K-ET is designed for true three-phase installations where energy demand is high and loads are distributed across phases. It is suitable for commercial buildings, farms, factories, lodges, and large homes where reliable power delivery, scalability, and energy management are critical.
The inverter supports both on-grid and hybrid operation, allowing seamless interaction between solar power, battery storage, and the utility grid.
High-Voltage Battery Support and Storage Capability
The GoodWe 30kW hybrid inverter operates with high-voltage lithium-ion batteries at a nominal battery voltage of 500V, with a supported battery voltage range of 200V to 800V. This high-voltage architecture allows lower current flow, improved efficiency, and reduced cable losses in large-scale systems.
The GW30K-ET supports dual battery inputs, each capable of 50A continuous charge and discharge, enabling higher total battery power and flexible battery system design.
Solar PV Input Capacity and MPPT Configuration
The GoodWe 30kW high-voltage hybrid inverter supports very large solar PV arrays with a maximum PV input power of 45,000W. It supports a maximum DC input voltage of 1000V and an MPPT operating voltage range of 200V to 850V, making it suitable for modern high-voltage solar panel strings.
The inverter features 3 MPPT trackers, each with 2 strings, allowing flexible array design across multiple roof orientations and improving overall energy harvesting.
AC Output Power, Load Handling, and Backup Performance
The GW30K-ET delivers 30,000VA nominal three-phase output power and supports up to 33,000VA maximum apparent power. In backup mode, the inverter supports high surge capability, delivering up to 36,000VA for 60 seconds, allowing it to handle motor starts and high inrush loads.
The inverter provides true three-phase output (3L/N/PE) with adjustable power factor from 0.8 leading to 0.8 lagging, making it suitable for mixed commercial and industrial loads.
Advanced Energy Management, Peak Shaving, and Load Control
The GoodWe 30kW hybrid inverter supports peak shaving, allowing it to reduce grid demand during high-load periods and help control electricity costs. An integrated dry contact enables external loads such as heat pumps or large appliances to be controlled automatically based on system conditions.
The inverter also supports generator integration and advanced energy scheduling to optimize solar self-consumption and battery usage.
Efficiency, Protection, and Reliability
The GW30K-ET delivers up to 98.0% maximum efficiency and 97.5% European efficiency, with 99.9% MPPT efficiency, ensuring minimal energy loss even at high power levels. It includes comprehensive built-in protections such as DC and AC surge protection, residual current monitoring, insulation monitoring, anti-islanding protection, and optional AFCI functionality.
GoodWe 30kW Hybrid 3-Phase Inverter Technical Specifications
Identity
- Brand: GoodWe
- Model / MPN: GW30K-ET
- Inverter type: High-voltage hybrid inverter
- Phase: Three phase
Battery Input (High Voltage)
- Battery type: Lithium-ion
- Nominal battery voltage: 500 V
- Battery voltage range: 200 – 800 V
- Number of battery inputs: 2
- Max continuous charge current: 50 A × 2
- Max continuous discharge current: 50 A × 2
Solar (PV) Input
- Max PV input power: 45,000 W
- Max DC input voltage: 1000 V
- Start-up voltage: 200 V
- MPPT voltage range: 200 – 850 V
- Number of MPPT trackers: 3
- Strings per MPPT: 2 / 2 / 2
- Max input current per MPPT: 30 A
- Max short-circuit current per MPPT: 38 A
AC Output (Three Phase)
- Nominal apparent power: 30,000 VA
- Max apparent power: 33,000 VA
- Nominal output voltage: 380 / 400 V (3L / N / PE)
- Nominal frequency: 50 / 60 Hz
- Max AC output current: 50.0 A
- Power factor: Adjustable from 0.8 leading to 0.8 lagging
Efficiency
- Max efficiency: 98.0%
- European efficiency: 97.5%
- Battery to AC efficiency: 97.5%
- MPPT efficiency: 99.9%
Protection and Environmental
- Ingress protection: IP66
- Cooling method: Smart fan cooling
- Operating temperature range: −35°C to +60°C
- Max operating altitude: 4000 m
- Noise emission: <60 dB
Physical
- Weight: 54 kg
- Dimensions (W × H × D): 520 × 660 × 220 mm
- Mounting method: Wall mounted
Communication
- Communication with BMS: RS485 / CAN
- Communication with portal: WiFi / 4G
Warranty
- Manufacturer warranty: 5 years
FAQ
Frequently Asked Questions About the GoodWe 30kW Hybrid 3-Phase High-Voltage Inverter
What does “high-voltage” mean on the GoodWe 30kW hybrid inverter?
High-voltage refers specifically to the **battery system voltage**, not the AC output voltage. The GoodWe 30kW high-voltage hybrid inverter operates with lithium battery systems between **200V and 800V DC**, which is much higher than standard 48V battery systems.
Why does the GoodWe 30kW inverter use high-voltage batteries instead of 48V?
High-voltage battery systems allow the inverter to operate at lower current levels, which improves efficiency, reduces heat, and minimises cable losses. This makes the GoodWe 30kW high-voltage hybrid inverter better suited for **large commercial and industrial energy storage systems**.
What type of batteries can be used with the GoodWe 30kW hybrid inverter?
The GW30K-ET is designed exclusively for **high-voltage lithium-ion battery systems**. It does not support 48V or low-voltage batteries. Batteries must operate within the supported voltage range and provide compatible BMS communication.
Which battery brands are compatible with the GoodWe 30kW high-voltage inverter?
Compatible battery brands include **GoodWe Lynx Home F Plus, GoodWe Lynx C, Dyness HV, HinaESS HV, Pylontech Force H-series**, and other manufacturer-approved high-voltage lithium battery systems with CAN or RS485 communication.
Is the GoodWe 30kW hybrid inverter suitable for residential homes?
The GoodWe 30kW hybrid inverter is generally **oversized for standard residential homes**. It is best suited for large estates, commercial buildings, farms, factories, and sites with high three-phase power demand and large solar arrays.
Can the GoodWe 30kW inverter supply true three-phase power?
Yes. The GoodWe 30kW hybrid inverter provides **true three-phase output** and supports **unbalanced loads**, allowing each phase to operate independently. This is critical for commercial and industrial environments with uneven phase loading.
How much solar power can be connected to the GoodWe 30kW hybrid inverter?
The inverter supports up to **45kW of solar PV input**, making it suitable for large rooftop or ground-mounted solar installations. It features **three MPPT trackers**, each with two string inputs, allowing flexible array design.
Does the GoodWe 30kW inverter support backup power?
Yes. The GoodWe 30kW hybrid inverter includes backup functionality and can supply critical loads during grid outages when paired with compatible high-voltage batteries. Backup performance depends on system design and battery capacity.
What is peak shaving and how does the GoodWe 30kW inverter support it?
Peak shaving allows the inverter to reduce grid power consumption during periods of high demand by supplementing loads with battery energy. The GoodWe 30kW hybrid inverter supports peak shaving, helping commercial users manage demand charges and optimise energy costs.
Can the GoodWe 30kW hybrid inverter be integrated with a generator?
Yes. The inverter supports generator integration, allowing generator power to supply loads or charge the battery system when required. This is useful for remote sites or facilities requiring additional redundancy.
Can the GoodWe 30kW inverter be retrofitted into an existing solar system?
Yes. The GoodWe 30kW hybrid inverter supports AC coupling, allowing it to be added to existing grid-tied solar installations without removing the original inverter.
Is it possible to expand the system using multiple GoodWe 30kW inverters?
Yes. Multiple GoodWe ET Series inverters can be installed in parallel, allowing system capacity to be expanded for larger commercial or industrial applications, subject to system design limitations.
How efficient is the GoodWe 30kW high-voltage hybrid inverter?
The inverter offers **up to 98.0% maximum efficiency**, **97.5% European efficiency**, and **99.9% MPPT efficiency**, ensuring high energy conversion efficiency even at large power levels.
Is professional installation required for the GoodWe 30kW hybrid inverter?
Yes. Due to the high operating voltages, three-phase configuration, and commercial application scope, installation by a qualified and accredited installer is required to ensure safety, compliance, and warranty validity.
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