IECM 12.0 beta User Manual > Using the IECM > Analysis Tools > Uncertainty > Configure >

Uncertainty Areas

The Uncertainty Areas, at the bottom of the ANALYSIS TOOLS: Uncertainty: Configure screen, are a set of checkboxes which allow you to enable or disable uncertainty in specific sections of the plant:

Uncertainty Areas in a Pulverized Coal (PC) Plant

The Select All and Select None buttons beneath the checkboxes allow you to easily select all or none of the areas. The list of areas varies by plant type.

A Pulverized Coal (PC) plant has the following uncertainty areas:

•Overall Plant (PC)

•Base Plant (PC)

•Air Preheater

•Comb. NOx Control

•NOx Control

•Particulate Control

•SO2 Control

•CO2 Control

•Mercury Control

•Waste & Byproducts

•Cooling

A Natural Gas Combined Cycle (NGCC) plant has the following uncertainty areas:

•Overall Plant (NGCC)

•Turbine Systems

•CO2 Capture

•Cooling

An Integrated Gasification Combined Cycle IGCC plant has the following uncertainty areas:

•Overall Plant (IGCC)

•Oxidant & Fuel

•Gasifier Area

•Sulfur Control

•CO2 Control

•NOx Control

•Cooling