15kW Three Phase Grid Tie Solar Inverter

15kW transformerless grid tie inverter for three phase on grid solar power system, which converts 200-820V wide DC input voltage to 208V/ 240V/ 380V AC output voltage feed the power into the grid. LCD display, can set main general parameters. Multiple grid tie inverters can be operated in parallel.
Delivery date: 6-12 days

Low frequency 50Hz/60Hz on grid tie solar inverter with 15kW power, wide input voltage range and high efficient MPPT more than 99%, high reliability due to perfect protection function, can power all kinds of applicances in home or office environment including motor-type applicances such as tube light, fan, refrigerator and air conditioner.


  • Can be applied to various fields, mainly for solar power, wind power, battery power, and scenery lamp power.
  • Strong IP65 protection, completed sealed cover suitable for harsh environment.
  • Advanced MPPT tracking technology, wide MPPT voltage range.
  • No isolation transformer H6 full-bridge configuration, highest efficiency reach 97%.
  • Over voltage, short circuit, overload, overheating, anti-islanding protection etc.
  • Multiple inverters can be operated in parallel.
  • LCD display, convenient for user to monitor main parameters.
  • Support various communication modes.

Parameter List

DC INPUT Max. DC Input Power 15600 watt
Max. DC Input Voltage 850V DC
Max. DC Input Current 35A
MPPT Tracking Voltage Range 200-820V
MPPT Tracking Number / Each Input String Number 1
Power ON / OFF Voltage 200V / 300V
Input Terminal MC4
AC OUTPUT Power 15kW
Output Voltage Default AC 3-phase 380V±5%, (Optional: 208V, 240V, 460V, 480V with ±5% tolerance)
Frequency 50Hz / 60Hz
Phase 3 phase 4 line (3L+N+PE)
Power Factor 0.9
Maximum Current 22A
Current THD At rated power and in the sine wave <3.5%
Max. Efficiency 98%
MPPT Efficiency 99.5%
Output Terminal Connect terminals
STRUCTURE Protection Degree IP65
Cooling Method Cooling fan
Topology No transformer
Noise <50db
Data Interfaces RS 485C / RS232 (Standard) / WiFi Module (Optional)
Isolation Type Non-isolated
Standby Power Consumption <5W
Display LCD dispaly
DC Switch Integration
AC Switch Integration
Protection Functions DC input switch, Anti-island, Output over-current, Input reverse connection, DC/AC surge protection, Insulation resistance testing, RCD testing, Upgrade WiFi, 
Flexible solar panel
ENVIRONMENT Operation Temperature Air Flow, -10℃~40℃
Storage Temperature -20℃~60℃
Relative Humidity 0~100%
Altitude 2000m, max 3000m
OTHERS Size (W*H*D) 440*610*260mm
Weight 70kg for 380V, 195kg for other customized voltages
Certificate CE / G83 / IEC / TUV / SAA
Warranty 5 years

Tips: Solar grid tie inverter main protection function

1. Input overvoltage protection: When the DC-side input voltage is higher than the maximum allowable DC array access voltage of the grid tie inverter, the inverter is not allowed to start or stop within 0.1s (in operation) and a warning signal is released at the same time. After the DC-side voltage is restored to the allowable working range of the inverter, the inverter should be started and operated normally.

2. Input overcurrent protection: After the PV modules are connected in series and in parallel, each string is connected to the DC-side of the PV solar inverter. After the MPPT interference, when the input current is higher than the allowable DC maximum input current set by the inverter, the inverter (in operation) stops MPPT interference and sends a warning signal. After the DC-side current returns to the operating range allowed by the solar inverter, the inverter should be able to start and operate normally.

3. Output overcurrent protection: Overcurrent protection should be set on the AC output side of the grid-tied inverter. When a short circuit is detected on the grid side, the grid-tied inverter should stop supplying power to the grid within 0.1 s and send a warning signal. After eliminating the fault, the grid-tied inverter should work normally.

4. Output short-circuit protection: In case of the on grid inverter output short circuit, they must be short-circuit protective measures. The short-circuit protection action time of the inverter should not exceed 0.5s. After the short-circuit fault is removed, the equipment should work normally.

5. AC / DC surge protection: The solar on grid inverter should have lightning-prevention protection function, and the technical index of the lightning protection device should ensure to absorb the expected impact energy.

Products specifications
Attribute name Attribute value
Installation Guide

PDFThree-phase Grid Tie Inverter Installation Guide

User Manual

PDFThree-phase Grid Tie Inverter User Manual

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