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Human-in-the-Loop Control
Book chapter

Human-in-the-Loop Control

Harry G Kwatny, Claudio Maffezzoni, JohnJ Paserba, Juan J Sanchez-Gasca and Einar V Larsen
Control System Applications, pp 281-322
2000
DOI: https://doi.org/10.1201/9781315214061-11

Abstract

SVC Damping Controller HVDC System Power Plant Steam Extractions Transient Stability Feed Water Flow Damping Power System Oscillations Dc Link Heat Transfer Rate Excitation System Energy Balances Drum Level Control Drum Level Mass Flow Rate Trim Mode PSS Circulation Loop Drum Pressure Pi Controller Swing Mode Steam Flow Damping Torque Throttle Pressure
This chapter provides an overview of the dynamics and control of electric power generating plants. A typical power plant using fossil fuel as its energy source is organized into three main subsystems, corresponding to the three basic energy conversions taking place in the process: the steam generator (SG), the turbine integrated with the feed-water heater train, and the electric generator. The SG converts the chemical energy available in the fuel into internal energy of the working fluid. The chapter presents a description of a typical plant configuration, explains in some detail the specific objectives of plant control, and describes the overall control system architecture. The control system is organized in a hierarchy, based on time scale separation, in which the highest level establishes set points for lower level regulators so as to meet the overall unit operating objectives. Properly designed coordinated-control systems can provide excellent response to load demand changes.

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