The solar industry has undergone a remarkable transformation over the past decade, with string inverters playing a pivotal role in this evolution. In this episode of the Clean Power Hour, host Tim Montague sits down with John Drummond, the Senior Applications Engineer at CPS America, to explore the advancements in string inverter technology and how they are shaping the future of the solar industry.

Drummond shares his extensive experience, tracing his career journey from the early days of renewable energy to his current role at CPS America. He delves into the critical changes that have enabled the rise of string inverters, such as the shift to ungrounded (transformerless) inverters and advancements in IGBT module technology that allow for faster more efficient switching.

The discussion explores how string inverters have evolved to become sophisticated "computers" that can dynamically inject reactive power, maintain voltage and frequency stability, and even ride through grid disturbances – features that are now required by national standards.

Furthermore, Drummond provides insights into the growing importance of utility-scale string inverter solutions, such as CPS America's flagship 275 kW inverter and their innovative 800V Breaker Box.

This episode is a must-watch for anyone interested in the transformative journey of solar inverter technology and the pivotal role it plays in the energy transition.

Key Takeaways

1. Evolution of String Inverters: The episode highlights the significant advancements in string inverter technology.
2. Grid Services and Smart Inverter Functions: String inverters have evolved to become sophisticated "computers" that can provide vital grid services.
3. Flexible and Scalable Solutions: CPS America has designed its string inverter products to be highly flexible, allowing for both distributed and centralized architectures to cater to diverse applications.
4. Utility-Scale Innovations: The discussion covers CPS America's development of high-power, high-voltage string inverter solutions, such as the 275 kW inverter and the 800V breaker box.

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John Drummond
CPS America

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The Clean Power Hour is produced by the Clean Power Consulting Group and created by Tim Montague. Contact us by email: [email protected]

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The Clean Power Hour is brought to you by CPS America, maker of North America’s number one 3-phase string inverter, with over 6GW shipped in the US. With a focus on commercial and utility-scale solar and energy storage, the company partners with customers to provide unparalleled performance and service. The CPS America product lineup includes 3-phase string inverters from 25kW to 275kW, exceptional data communication and controls, and energy storage solutions designed for seamless integration with CPS America systems. Learn more at www.chintpowersystems.com