High-efficiency solar inverter solutions using Wolfspeed SiC power devices for maximum energy harvest and power density. Featuring Cree LED components for status indication and monitoring systems.
At LiTong Group, we specialize in developing high-efficiency solar inverter solutions that maximize energy harvest while reducing system size and cost. Our expertise in Wolfspeed SiC technology enables us to create inverters that operate at higher switching frequencies, resulting in smaller magnetics, higher power density, and improved overall efficiency. Combined with Cree LED components for system monitoring and status indication, we deliver complete solutions for solar power conversion applications.
SiC devices enable 99%+ efficiency in power conversion, maximizing energy harvest from solar panels.
Higher switching frequencies enabled by SiC allow for smaller magnetics and higher power density.
Superior thermal properties of SiC allow operation in harsh environments with better long-term reliability.
Optimized for residential and commercial installations, typically ranging from 3kW to 15kW capacity.
Designed for utility-scale installations, typically ranging from 500kW to 2.5MW capacity.
For high-efficiency power conversion in solar inverter applications, providing superior switching performance.
For PFC circuits and auxiliary power supplies in inverter systems, providing zero recovery losses.
For comprehensive system monitoring and status indication, we recommend Cree LED components that provide reliable and efficient visual feedback:
High-brightness, long-life LEDs for status indication in solar inverter systems, available in multiple colors and package types.
Solar inverter solution using Wolfspeed SiC power devices and Cree LEDs for monitoring and status indication
| Power Rating | 3kW - 2.5MW |
| Peak Efficiency | 98.5% - 99.0% |
| MPPT Efficiency | 99.9% |
| Power Density | 50 - 150 W/L |
| Operating Temperature | -40°C to +85°C |
| Grid Compliance | IEC 61000-3-12, IEEE 1547 |
| Safety Protection | DC/AC isolation, RCD protection |
Comprehensive guide to solar inverter design using SiC power devices for maximum efficiency and power density.
Best practices for designing gate drive circuits for SiC MOSFETs in solar inverter applications.
Guidelines for effective thermal management in high-power solar inverter systems.
Implementation of SiC-based inverters in a 500kW rooftop solar installation, achieving 98.7% efficiency and 50% size reduction.
Power Rating: 500kW
Efficiency: 98.7%
Size Reduction: 50%
Annual Energy: 720 MWh
Large-scale deployment of central inverters using SiC technology for a 50MW solar installation, improving ROI by 12%.
Power Rating: 50MW
Efficiency: 99.0%
Cost Reduction: 15%
Reliability: 99.5%
SiC components provide several advantages in solar inverter applications: higher switching frequencies allow for smaller magnetics and higher power density, lower switching losses improve efficiency especially at high voltages, and higher temperature operation capability allows for simpler thermal management. The zero reverse recovery losses in SiC diodes eliminate losses associated with conventional silicon diodes.
Key design considerations include gate drive design with appropriate voltage levels (+15V to +18V for SiC MOSFETs), high-speed gate drivers to take advantage of fast switching, optimized PCB layout to minimize parasitic inductance, and thermal management considering the higher power density. EMI/EMC design is also critical due to higher switching speeds.
SiC-based inverters typically achieve 0.5-1% higher efficiency than silicon designs, 30-50% smaller size due to higher frequency operation, and lower system cost despite higher component prices due to reduced magnetics and thermal management requirements. They also offer improved performance in harsh environmental conditions.
Our expert team is ready to assist with your solar inverter application, from initial design to production.
Contact Our FAEs