超超临界机组的发展现状超超临界机组技术始于上世纪50年代,以美国和德国为主的发达国家开始了对此技术的研究。美国俄亥俄州Philo电厂6号机组在1957年投产,是世界上首台超超临界机组。目前,美国超临界机组在数量上居世界第二位,并拥有9台世界上最大的超临界机组,单机容量为130万千瓦。 The development of ultra-supercritical unit Ultra-supercritical unit technology began in the 50s of last century, the United States and Germany-based developed countries began the study of this technology. Unit 6 of Philo Power Plant in Ohio was put into operation in 1957 and is the world’s first ultra-supercritical unit. At present, the number of U.S. supercritical units ranks second in the world in terms of quantity, and it has nine of the world’s largest supercritical units, with a stand-alone capacity of 1.3 million kilowatts.