DEYE 20KW 3-Phase Inverter (Low Voltage) – Reliable, Efficient, and Versatile

The DEYE 20KW 3-Phase Inverter is a cutting-edge hybrid solution designed to maximize energy efficiency for residential, commercial, and industrial applications. Engineered for seamless integration, this inverter delivers robust performance with advanced features that redefine power management.

Key Features:

• 100% Unbalanced Output: Enjoy maximum flexibility with unbalanced output for each phase, allowing up to 50% of the rated power output on a single phase.
• Retrofit Ready: Easily upgrade existing solar systems with its AC coupling capability.
• Parallel Operation: Scale your energy system with up to 10 units operating in parallel for both on-grid and off-grid scenarios. It also supports multiple battery configurations in parallel.
• High Charging/Discharging Current: With a maximum charging/discharging current of 350A, this inverter ensures fast and efficient energy management.
• Low Voltage Battery Compatibility: The 48V low-voltage battery system and transformer isolation design enhance safety and reliability.
• Advanced Energy Scheduling: Take control of your energy usage with 6 customizable time periods for battery charging and discharging.
• Diesel Generator Integration: Optimize backup power by storing energy from a diesel generator.

Superior Performance:

• Max. DC Input Power: 26,000W ensures your system can handle high input loads.
• Max. DC Input Voltage: 800V, offering flexibility in solar panel configurations.
• Dual MPPT Design: Two Maximum Power Point Trackers (MPPT) with two strings per tracker enhance energy harvesting and efficiency.

Extensive FAQ for South African Customers

Is the Deye 20kW inverter suitable for South African load shedding?

Yes. The inverter automatically switches to battery power during load shedding, helping maintain power to connected loads with minimal interruption.

Can this inverter work without batteries?

Yes. The inverter can operate using solar panels and grid power without batteries, although battery storage is recommended for backup during outages.

Which batteries are compatible?

The inverter is compatible with many 48V lithium battery systems that support CAN or RS485 communication. Always verify compatibility with your battery supplier before installation.

Is this inverter approved for use in South Africa?

Acceptance depends on your municipality or electricity distributor. Always confirm local requirements and whether the installation must comply with municipal grid-connection rules.

Can I feed excess electricity back into the grid?

Depending on your municipality and grid approval, the inverter supports exporting surplus solar energy to the utility grid.

Can I use this inverter completely off-grid?

Yes, when correctly designed with sufficient battery storage and solar capacity, it can operate independently of the utility grid.

Can I connect a generator?

Yes. The inverter supports generator input for battery charging and backup power.

Does it support three-phase loads?

Yes. This inverter is specifically designed for three-phase electrical systems.

Can multiple units be connected together?

Yes. Multiple compatible Deye inverters can be connected in parallel to increase system capacity.

Can I monitor my system remotely?

Yes. Using Deye's monitoring platform and compatible communication accessories, you can view system performance from anywhere with internet access.

Does the inverter work during cloudy weather?

Yes. It continues generating power whenever sunlight is available, although output is reduced under heavy cloud cover.

Is the inverter weatherproof?

The inverter has an IP65-rated enclosure, making it suitable for outdoor installation when installed according to the manufacturer's guidelines.

What size solar array can be connected?

The maximum PV array size depends on the inverter's design specifications and should follow the manufacturer's limits to ensure safe operation.

Can I expand my battery bank later?

Yes. Many compatible 48V lithium battery systems can be expanded, subject to the battery manufacturer's recommendations and system design.

Is professional installation recommended?

Yes. Installation should be carried out by a qualified solar installer familiar with local electrical regulations and the inverter manufacturer's requirements.

Will this inverter reduce my Eskom bill?

Yes. By prioritising solar energy and battery storage, the inverter can significantly reduce electricity purchased from the grid, depending on your energy usage and system size.

Can I charge batteries from Eskom?

Yes. The inverter can charge batteries from the grid when configured to do so.

Can the inverter prioritise battery power at night?

Yes. The operating mode can be configured so stored battery energy is used during evenings or peak tariff periods.

Is it suitable for farms?

Yes. The inverter is well suited for farms requiring reliable power for irrigation, workshops, refrigeration and other agricultural applications.

Can it power air conditioners?

Yes, provided the combined load is within the inverter's continuous output rating and surge capabilities.

Is it suitable for businesses?

Yes. Offices, warehouses, factories, retail stores and hospitality businesses commonly use 20kW hybrid inverters to reduce electricity costs and improve resilience during power interruptions.

How often should the inverter be serviced?

Routine inspections should be performed periodically to ensure adequate ventilation, secure electrical connections and up-to-date firmware where applicable. Your installer can recommend an appropriate maintenance schedule.

What happens if the batteries are fully charged?

Once the batteries are full, the inverter can supply connected loads directly from solar generation. Depending on system settings and local regulations, any excess energy may be exported to the grid, or the solar production may be curtailed.

Does the inverter support time-of-use settings?

Yes. It supports configurable charging and discharging schedules, allowing you to optimize energy use during different tariff periods where applicable.

Can I use different brands of lithium batteries?

The inverter supports communication with many battery brands, but compatibility varies. Always check that the battery model is listed as compatible or confirmed by the manufacturer or supplier before installation.