20% Load Deep Peak Shaving Operation Test of Ultra-supercritical Million Units
The rapid development of renewable energy has put forward higher requirements for deep peak shaving of thermal power units.The peak shaving performance of units is not only an important factor affecting the economic benefits of thermal power plants,but also of great strategic significance for China to promote energy low-carbon transformation.Fully tapping into the deep peak shaving potential and rapid load changing capacity of coal-fired power units,summarizing and analyzing the existing peak shaving technologies of coal-fired power units in China,can provide reference for the future research and development of deep and flexible peak shaving technologies for coal-fired boiler generator units.An experimental study was conducted on the operation of a 1 050 MW ultra-supercritical front and rear wall opposed coal-fired unit in a power plant from 100%to 20%load state.During the test,relevant operating parameters of the boiler,turbine,and generator were recorded and analyzed.The results show that the boiler has good stable combustion ability at 20%load without oil injection,providing a reference for deep peak shaving operation.
energy low-carbon transformationdeep peak shavingultra-supercriticalfurnace temperature fieldNOx