Case Study on Incentive Mechanism of Energy Efficiency Retrofit in Coal-Fueled Power Plant in China

Table 1

The principal specifications of the steam turbine.

Item	Designed value
Manufacturer	Leningrad metal factory of Russia (designed in the beginning of 1970s)
Type of turbine	Supercritical, once reheated, single shaft, 4 cylinder and 4 steam exhaust, condensing turbine
Rated power	500 MW
Rated main steam flow	1528.8 t/h
Main steam pressure	23.54 MPa
Main steam temperature	540°C
Reheated steam pressure	3.51 MPa
Reheated steam temperature	540°C
Exhausted steam pressure	4.27/5.44 kPa
Number of blade stage	54
Net heat rate	8146 kJ/kWh
Lifetime	24 years