Patent ID: 8863522
Filing Date: 2014-10-21
Classification: F01K

Abstract:
1. A steam turbine, comprising: a high pressure turbine section; at least one lower pressure turbine section coupled to the high pressure turbine section; a steam generating source; a main steam valve regulating flow of steam from the steam generating source to the high pressure turbine section; a reheater reheating steam exhausted from the high pressure turbine section; a reheat valve that admits reheated steam from the reheater to the at least one lower pressure turbine section at a first steam admission location, wherein the reheat valve regulates flow of the reheated steam from the reheater to the at least one lower pressure turbine section at the first steam admission location; and at least one overload valve supplying a diverted portion of the reheated steam from the reheater to the at least one lower pressure turbine section at a second steam admission location.