A new thermal governor modeling approach in the WECC

Les Pereira, John Undrill, Dmitry Kosterev, Donald Davies, Shawn Patterson

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

Recordings of large generation trips in the Western Electricity Coordinating Council (WECC) 1 indicate that only about 40% of the simulated governor response actually occurs. This paper presents the development of a new turbine-governor modeling approach that correctly represents thermal 2 units that have demonstrated unresponsive characteristics as "base loaded" units, or as units with load-controllers. The developmental work included the creation of a WECC-wide system database based on disturbance monitoring and SCADA recordings of staged tests. The new modeling approach has been extensively validated against recordings from three WECC system tests and several large disturbances and has been recommended for use in all operation and planning studies in the WECC. Current effort is to obtain validated data for the new models from generator owners that will replace the developmental database. The new modeling results in improved dynamic simulations of thermal and hydro plant responses, of power flows in key interties, and of system oscillations following large generation trips.

Original languageEnglish (US)
Pages (from-to)819-829
Number of pages11
JournalIEEE Transactions on Power Systems
Volume18
Issue number2
DOIs
StatePublished - May 1 2003
Externally publishedYes

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Governors
Electricity
Turbines
Planning
Controllers
Hot Temperature
Monitoring
Computer simulation

Keywords

  • Governors
  • Interconnected power systems
  • Power system dynamic modeling
  • Power system dynamic performance
  • Power system simulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

A new thermal governor modeling approach in the WECC. / Pereira, Les; Undrill, John; Kosterev, Dmitry; Davies, Donald; Patterson, Shawn.

In: IEEE Transactions on Power Systems, Vol. 18, No. 2, 01.05.2003, p. 819-829.

Research output: Contribution to journalArticle

Pereira, Les ; Undrill, John ; Kosterev, Dmitry ; Davies, Donald ; Patterson, Shawn. / A new thermal governor modeling approach in the WECC. In: IEEE Transactions on Power Systems. 2003 ; Vol. 18, No. 2. pp. 819-829.
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