Status quo of bypass system for supercritical units imported from abroad

as well as the types of bypass system commonly used at home

have been described. The relationship of function concerning unit to reject load and only to supply service power for auxiliaries in the plant with the bypass system being analysed. Directing against the bypass system of localized 600MW units

the funetions having to had with the bypass system

as well as factors having to be considered for capacity selection of the bypass system have been put forward.