Research Article

A Birandom Chance-Constrained Linear Programming Model for CCHP System Operation Management: A Case Study of Hotel in Shanghai, China

Table 1

Part of CCHP system parameters.

ParametersValue

Major economic parameters
 Maintenance cost of gas turbine0.03 RMB/kWh
 Maintenance cost of absorption chiller0.0002 RMB/MJ
 Maintenance cost of auxiliary boiler0.0006 RMB/MJ
 Maintenance cost of electricity chiller0.0005 RMB/MJ
 Electricity price in peak period1.104 RMB/kWh
 Electricity price in flat period0.653 RMB/kWh
 Electricity price in valley period0.333 RMB/kWh
 Natural gas prices2.32 RMB/m3

Major technical parameters
 Efficiency of exhaust heat exchanger0.776
 Electrical efficiency of gas turbine0.8
 Thermal efficiency of gas turbine0.18
 Efficiency of auxiliary boiler0.85
 Recovery waste heat efficiency of the absorption chillers0.695
 Low calorific value of natural gas35.175 MJ/m3
 Rated COP of absorption chiller1.2
 Rated COP of electric chiller4.45