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Key Features: Modeling
VirtualPlant

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VirtualPlant™ represents a first principles-based heat and mass balance model of conventional fossil and gasturbine-based combined cycle power plants. VirtualPlant models are used to validate measured data, calculate expected component performance based upon actual operating conditions, recommend optimum set points tomaximize profitability, and simulate off-line "what-if" analyses.
VirtualPlant can be utilized in both off-line "interactive" and on-line "real-time" modes. In the off-line mode, plant operationspersonnel engineers, and planners are provided with a user-friendly tool to perform detailed "what-if" mass and energy balances of their power plant cycles. Model results include generation and heatrate, as well as mass flows and state point details to facilitate evaluation of conceptual changes in operating and equipment condition parameters. In the on-line mode, VirtualPlant models may beautomatically executed with live inputs from the EtaPRO system.
Asset Optimizer Module
The Asset Optimizer Module provides a means for analyzing potential operating scenarios using a detailed plant modeland updating those scenarios on a routine and automatic basis. The update is based on real-time performance indices calculated and recorded by EtaPRO. These indices may include, for example, gas turbinecompressor efficiency, HRSG steam generation, steam turbine enthalpy-drop efficiency, condenser cleanliness and tower cold water temperature. The model considers all available means of poweraugmentation such as fogging and supplementary fuel. The optimization routines operate throughout the normal operating range. The objective of the optimizer is to identify the scenario having the lowest heatrate for the given load requirement.
Generation Forecast Module
The Generation Forecast Module is a generation forecasting system for accurately calculating and updating dispatch curves on a...