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Power Semiconductors

SiC MOSFETs and Diodes – More Options for Solar Technology

10 January 2017

Converting solar energy from a niche technology into a realistic alternative to more conventional forms requires increasing its efficiency while reaching other performance targets and reducing its cost.
Current photovoltaic (PV) solar installations depend primarily on mature, inexpensive Si-based Insulated Gate Bipolar Transistors (IGBTs) that limit maximum junction temperatures and experience large device-efficiency and system-performance losses in high-power applications. To expand PV power generation, the industry is adopting strategies such as higher voltages and distributed architectures, replacing the Si IGBTs with silicon carbide (SiC) Metal-Oxide Semiconductor Field-Effect Transistors (MOSFETs).

Wolfspeed, a commercial supplier of fast and efficient semiconductor components that offer greater efficiency and performance and lower costs, aims to describe how its solar-based technology translates into conventional forms of energy. The company has develped a Webinar that will examine the basics of switching to SiC and how it differs from Si in PV applications. The Webinar will define the advantages of making the switch, examining the design and performance of several SiC-based power-conversion systems featuring full SiC 3-level inverters, hybrid 3-level inverters, all-SiC 2-level inverters, and high-voltage DC optimizers operating on a 1500 VDC bus. Attendees will come away with a better understanding of the performance vs. cost tradeoffs for each of these proposed solutions compared with a silicon-based alternative, as well as how to reduce time-to-market using the latest available SiC products and design tools.

The Webinar will describe how SiC MOSFETs and diodes offer a better path to that goal than their Si IGBT predecessors. The company will explore how the latest SiC devices allow developing 1500 VDC rated PV inverters and optimizers without sacrificing performance. It will help attendees to clearly understand Si devices and SiC MOSFETs in real-world applications and the economics of SiC in PV systems, as well as current and future trends. You will also learn about new development and design tools to help engineers incorporate SiC devices into power converters.

To learn more about how SiC devices deliver better solar-power solutions, register for the upcoming Webinar.
Date: February 16, 2017
Time: 1 PM EST (10 AM PST)
Duration: 1 hour
Presented by: Wolfspeed



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