Straight Flow Steam Turbine-Generator: Equipment Tab

Variable Definitions, Ranges and Default Values

The following table shows the meaning of the variables appearing in this tab, as well as their default values and their generally acceptable range. Note that due to the manner by which the variables are used by the sizing and costing equations, the range of acceptable values may be further reduced.

Variable	Default Value	Range

◙ Power (kW) The shaft power of a single unit. Used as the sizing variable of this equipment resource.	0.0	Positive
○ Max Power (kW) The desired upper limit of the sizing variable. Used only in design mode to determine if multiple units are required.	30000.0	Positive

Symbol Key: ○ User-specified value (always input); ● Calculated value (always output); ◙ Sometimes input, sometimes output

Sizing: Design Mode

In design mode, the software will size the unit based on the demand on power by the steam expansion operation executed in the unit. If the power exceeds the specification for the maximum power then the software will assume multiple number of identical units (each with power equally distributed) that are operated in parallel.

Sizing: Rating Mode

In rating mode, the power and the number of units are provided by the user.

For more information on this equipment, see:

● Straight Flow Steam Turbine-Generator

● Extraction Steam Turbine-Generator

● Gas Expander-Generator

For information on the left-hand side variables and options, see Equipment Data Dialog: Equipment tab.