VEPCO network model reconciliation of LANL and MZA model data

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Description

The LANL DC load flow model of the VEPCO transmission network shows 210 more substations than the AC load flow model produced by MZA utility Consultants. MZA was requested to determine the source of the difference. The AC load flow model used for this study utilizes 2 standard network algorithms (Decoupled or Newton). The solution time of each is affected by the number of substations. The more substations included, the longer the model will take to solve. In addition, the ability of the algorithms to converge to a solution is affected by line loadings and characteristics. Convergence is inhibited by ... continued below

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22 p.

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Creator: Unknown. December 15, 1992.

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Description

The LANL DC load flow model of the VEPCO transmission network shows 210 more substations than the AC load flow model produced by MZA utility Consultants. MZA was requested to determine the source of the difference. The AC load flow model used for this study utilizes 2 standard network algorithms (Decoupled or Newton). The solution time of each is affected by the number of substations. The more substations included, the longer the model will take to solve. In addition, the ability of the algorithms to converge to a solution is affected by line loadings and characteristics. Convergence is inhibited by numerous lightly loaded and electrically short lines. The MZA model reduces the total substations to 343 by creating equivalent loads and generation. Most of the omitted substations are lightly loaded and rated at 115 kV. The MZA model includes 16 substations not included in the LANL model. These represent new generation including Non-Utility Generator (NUG) sites, additional substations and an intertie (Wake, to CP and L). This report also contains data from the Italian State AC power flow model and the Duke Power Company AC flow model.

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22 p.

Notes

OSTI as DE96015240

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  • Other Information: PBD: 15 Dec 1992

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  • Other: DE96015240
  • Report No.: LA-SUB--93-198
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/378827 | External Link
  • Office of Scientific & Technical Information Report Number: 378827
  • Archival Resource Key: ark:/67531/metadc677334

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Creation Date

  • December 15, 1992

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • July 28, 2016, 7:29 p.m.

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VEPCO network model reconciliation of LANL and MZA model data, report, December 15, 1992; New Mexico. (digital.library.unt.edu/ark:/67531/metadc677334/: accessed June 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.