### Abstract

This paper describes a mathematical approach to the determination of the electrical load composition of a secondary network during cold-load re-energization. It is intended to answer two questions: What fraction of the normal steady-state demand must be restored at the time of re-energization in the most pessimistic case? What is the composition of this worse case restoration load? The answers were obtained by making use of the Simplex Algorithm, a mathematical, but physically based, optimization procedure. The input data consisted of a customer survey of connected-load; maximum demand for this customer sample; experiencebased power requirement limits as a function of the time-of-day. For comparison with the mathematically-based results, on-site visits were made to representative commercial enterprises. The results were used to construct, independently, a second cold-load restoration model. The two models were surprisingly close.

Original language | English (US) |
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Title of host publication | Power System Restoration |

Subtitle of host publication | Methodologies and Implementation Strategies |

Publisher | John Wiley and Sons Inc. |

Pages | 565-568 |

Number of pages | 4 |

ISBN (Electronic) | 9780470545607 |

ISBN (Print) | 0780353978, 9780780353978 |

DOIs | |

Publication status | Published - Jan 1 2000 |

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### Keywords

- Equations
- Lighting
- Load modeling
- Manuals
- Mathematical model
- Steady-state
- Surges

### ASJC Scopus subject areas

- Energy(all)

### Cite this

*Power System Restoration: Methodologies and Implementation Strategies*(pp. 565-568). John Wiley and Sons Inc.. https://doi.org/10.1109/9780470545607.ch74