In 1993, Japan broke through with the first commercial-scale Ultra-Supercritical steam turbines. For thirty years, turbines operated at mere supercritical temperatures. Limited by the properties of the steel they were produced from. It took nearly two decades of R&D for Japan to develop the technologies to bring that steel to the market. In today’s video, we explore a coal-centric technology. The 30-year march from supercritical to ultra-supercritical steam turbines.
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