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Breaking the Mold: Hopewind's 350kW String Inverter Upgrades Utility-Scale Solar Performance
2025-11-14

 Shenzhen, China – Hopewind's 350kW String Inverter has been honored with the prestigious China Power Supply Society (CPSS) Science and Technology Award - Technical Innovation Award. This accolade recognizes an achievement in inverter design that tackles core industry challenges head-on, setting a new benchmark for performance, reliability, and independence in utility-scale solar projects.


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A Strategic Pivot to Overcome Industry-Wide Constraints

The genesis of this project was a critical industry challenge. The surge in global solar demand, coupled with supply chain disruptions, created a severe bottleneck for essential components, leading to skyrocketing prices and extended lead times that directly threatened project viability.

Leveraging more than 10 years of deep technical expertise in discrete power device applications, Hopewind pioneered a discrete device-based architecture for its 350kW string inverter. This strategic move successfully circumvented the limitations of integrated power modules, making Hopewind the first manufacturer to achieve mass production with discrete power devices at this power level.

 

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Improved Heat Dissipation and Increased Cooling Efficiency

The shift to discrete semiconductor devices was a pivotal innovation. This architectural change delivered transformative benefits, primarily through superior thermal management.

The distributed nature of discrete devices allows for a much more uniform temperature distribution across the components. This results in a 10°C reduction in peak component temperature and a 10% increase in overall cooling efficiency.

This thermal advantage directly translates to unmatched power output in high-temperature environments. Hopewind's 350kW inverter delivers full rated power at 45°C ambient temperature, with a maximum power of 385kW achievable at 40°C. This represents a nearly 10% power advantage over mainstream solutions, ensuring clients can maximize energy yield, especially in demanding environments like deserts.

 

A New Benchmark for Utility-Scale Inverters

Beyond the core thermal and power improvements, Hopewind 350kW inverter is engineered for maximum flexibility and reliability.

Featuring 8 independent MPPT trackers that support 32 string inputs, the inverter offers unparalleled design adaptability for complex terrains and is compatible with all major high-power module technologies. The IP66 protection rating, built-in AC/DC lightning protection, and C5 anti-corrosion capability ensure it can withstand harsh environmental conditions.

As the first Chinese manufacturer with wind, solar, and energy storage grid-forming applications, Hopewind equips the 350kW inverter with grid-forming capability. This provides strong weak grid adaptability, with a certified SCR of 1.03, ensuring stable operation in remote or unstable grid areas.


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Proven Reliability with Mass Application in the Field

This award-winning technology is not a laboratory prototype. The 350kW string inverter has already achieved large-scale mass production and deployment. Its stable operation in numerous large-scale ground power stations and commercial rooftops around the world validates the maturity and robustness of its design. By solving the fundamental supply chain and performance limitations of traditional designs, Hopewind has delivered a product that is not only technologically superior but also a dependable, bankable asset for project developers and EPCs worldwide.


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China's First 2GW Single-unit Photovoltaic Project

Hopewind's 350kW String Inverter stands as a testament to the power of strategic innovation, proving that supply chain challenges can be transformed into opportunities for technological leadership and greater value for the solar industry.