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- W4247552034 abstract "Korea Electric Power Corporation (KEPCO), the sole utility company in Korea, has been designing a large class of nearly identical 500 MW power plants as part of its standard design. These power plants each of which is capable of daily startup and shutdown operation, are being constructed and operated specifically to meet the large daily swings in power demand in Korea. Each power plant in this class is of a 500 MW output design, with a coal/oil firing furnace and a once-through, supercritical boiler.To address the concern of startup time in a large power plant after being off-line for eight to ten hours of night time, a steam bypass system (HP Bypass System) is being utilized. The HP Bypass System performs four functions: (1) it shortens the unit startup time; (2) it controls the main steam pressure during normal on-line operation; (3) it maintains the main steam at minimum threshold conditions while the turbine/generator is off-line; (4) it performs the safety function of protecting against steam line overpressurization, which eliminates the need for high pressure safety/relief valves.In this paper the standard 500 MW power plant design in Korea, the daily startup and shutdown design criteria, and the HP Bypass control with safety functions will be discussed." @default.
- W4247552034 created "2022-05-12" @default.
- W4247552034 date "2003-04-01" @default.
- W4247552034 modified "2023-10-18" @default.
- W4247552034 title "FW to supply world’s first supercritical CFB boiler" @default.
- W4247552034 doi "https://doi.org/10.1016/s1365-6937(03)00419-2" @default.
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