Power System Analysis and Simulation
1 The Per-Unit System Charles A. Gross
Impact on Transformers • Per-Unit Scaling Extended to Three-Phase Systems • Per-Unit Scaling Extended to a General Three-Phase System
2 Symmetrical Components for Power System Analysis Anthony F. Sleva
Introduction • Discussion of Per Unit Quantities • Fundamental Principles • “a” Operator • Phase and Sequence Relationships • Positive Sequence Networks • Sample Three-Phase Fault Calculation: Fault at Bus T2H • Sample Three-Phase Fault Calculation: Fault at Bus T2L • Negative Sequence Networks • Sample Phase to Phase Fault Calculation: Fault at Bus T2L • Zero Sequence Networks • Sample Phase to Ground Fault Calculation: Fault at Bus T2L
3 Power Flow Analysis Leonard L. Grigsby and Andrew P. Hanson
Introduction • Power Flow Problem • Formulation of Bus Admittance Matrix • Formulation of Power Flow Equations • P–V Buses • Bus Classifications • Generalized Power Flow Development • Solution Methods • Component Power Flows • References • Further Information
4 Fault Analysis in Power Systems Charles A. Gross
Simplifications in the System Model • The Four Basic Fault Types • An Example Fault Study • Further Considerations • Summary • Defining Terms • References • Further Information
5 Computational Methods for Electric Power Systems Mariesa L. Crow
Power Flow • Optimal Power Flow • State Estimation
Andrew Hanson is a senior manager with The Structure Group, Raleigh, North Carolina. He has 20 years of experience in power system engineering, operations, and consulting, having worked at Tampa Electric, Siemens, and ABB and having led the development of an office for a small privately held engineering firm. His expertise is focused on power delivery system operations and planning, having led the development of processes, forecasts, plans, and distribution automation implementations for a number of utilities. Dr. Hanson has a BEE from The Georgia Institute of Technology and an MEE and a PhD in electrical engineering from Auburn University.