Book
 Power System Analysis - Analytical Tools and Structural Properties 
  Steven H. Low, Caltech 
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This draft is based on lecture notes for the Power System Analysis courses that I have been teaching at Caltech for the last decade or so. Any corrections, questions, comments, or pointers will be greatly appreciated!
Book draft (19 chapters)
 - Part I: Power network: models, operation, analysis
- Part II: Power flow optimization
- Part III: Unbalanced three-phase networks
- Appendix: Linear algebra preliminaries
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