The 300 MW model, developed by China United Gas Turbine Technology Co., represents the largest and most technologically advanced heavy-duty gas turbine that China has created entirely through domestic efforts. According to the Ministry of Industry and Information Technology, the technical indicators of the unit are in line with those of the international F-class models currently in service.
The ignition test validates the overall design integrity, build quality and functionality of the test systems, paving the way for more comprehensive operational verification testing.
“ This milestone is the result of more than eight years of intensive research and development said Minister Jin Zhuanglong. »The successful ignition represents a significant step forward following the launch of the first prototype in February, and officially advances the program towards full testing and validation of the machine. »
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Improved production capacity and efficiency
Mo Jingfei, director of the science and technology management department of China United Gas Turbine Technology, highlighted the unit’s production capacity. It is estimated that, in a combined cycle configuration, a single set of this equipment could produce around 450,000 kilowatts per hour, which is equivalent to one-eighth of the average hourly electricity consumption of a city of comparable size to Beijing.
Compared to the 35-46% production efficiency of conventional thermal power plants, combined cycle power plants can achieve 55% efficiency. In addition, they can be combined with renewable energies to better meet user demand during peak consumption, resulting in greater flexibility in network management.
Environmental benefits and sustainability
Gas turbines, which operate by burning a fuel such as natural gas mixed with air to spin the turbine blades, are capable of continuous operation in high-temperature, high-stress environments. Based on operating temperatures, heavy turbines are classified into E, F, G/H and J, with class F operating at around 1,400 degrees Celsius and being the most widely used worldwide.
Compared to coal and oil power plants, gas turbines emit far fewer pollutants. Carbon dioxide emissions from these turbines are about half those of coal-fired power plants, making this cleaner technology an essential resource for countries seeking to achieve their environmental goals.
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Technological challenges and market development
The development of large capacity, ultra-high temperature gas turbines is considered a considerable technical challenge. For about six decades, the global heavy gas turbine market has been dominated by manufacturers from the United States, Germany and Japan. China’s industry has faced challenges, such as design complexity and limited access to proprietary foreign technologies.
The landscape began to change in 2012, when China’s State Council launched a national strategic program focused on aerospace engines and gas turbines. In 2014, major companies, including the former China Power Investment Corporation, joined together to form a company in Shanghai to lead development efforts through independent design and strategic technology cooperation.
In 2017, this company became China United Gas Turbine Technology Co, responsible for leading national R&D initiatives from basic research to manufacturing and validation of prototypes.
Global outlook for gas turbine technology
Heavy-duty gas turbine technology has great potential to improve sustainability and reduce the carbon footprint of the power sector. In the international context, combined cycle gas turbines are positioned as an effective solution to meet the growing demand for energy in a cleaner and more sustainable way. The ability of these turbines to integrate with renewable energy sources, such as solar and wind, maximizes the use of clean energy and optimizes the energy balance of electricity networks.
The transition to cleaner production technologies is not only beneficial for the environment, it also has economic benefits. Improving the efficiency of electricity production reduces fuel consumption, and therefore operating costs and environmental impact. Additionally, the development of advanced turbines opens up new opportunities for technology exports and international cooperation, particularly in developing countries seeking to modernize their energy infrastructure.
The success of the 300 MW F-class gas turbine marks an important step forward not only for China, but also for the global movement towards cleaner and more efficient electricity generation. This technology can play a key role in the global energy transition, contributing to achieving climate goals and improving energy security in various regions around the world.