Feasibility Study on 1 200 MW Ultra-Supercritical Unit

doi:10.3969/j.issn.1000-7229.2015.02.022

Abstract

Abstract:

The feasibility study of a 2×1 200 MW ultra-supercritical unit in a power plant in coastal area was completed to further promote the development of 1 200 MW units, from the aspects of the main equipment capacity, main equipment parameters, specifications for main equipment, main system configuration and thermal economy, and so on. The results show that, 1 200 MW ultra-supercritical unit is feasible and reliable, which can be applied in our country. Compared with 1 000 MW units, 1 200 MW ultra-supercritical unit has a lesser unit occupation area, a larger annual power supply, and a better economic profit. The 1 200 MW ultra-supercritical unit has a 46.20% thermal efficiency, a 266.25 g/（kW·h） gross coal consumption rate and a 277.34 g/（kW·h） net coal consumption rate, and is advanced in China. The 1 200 MW ultra-supercritical unit is the latest trends of bigger capacity units.

Key words: 1 200 MW ultra-supercritical unit, thermal system, main equipment parameter, energy conservation and emission reduction

WANG Donglei, ZHANG Peng. Feasibility Study on 1 200 MW Ultra-Supercritical Unit[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(2): 131-136.

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