Use of the WECC WAMS in Wide-Area Probing Tests for Validation of System Performance and Modeling

During 2005 and 2006, the western electricity coordinating council (WECC) performed three major tests of western system dynamics. These tests used a wide-area measurement system (WAMS) based primarily on phasor measurement units (PMUs) to determine response to events including the insertion of the 1...

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Bibliographic Details
Published in:IEEE transactions on power systems 2009-02, Vol.24 (1), p.250-257
Main Authors: Hauer, J.F., Mittelstadt, W.A., Martin, K.E., Burns, J.W., Lee, H., Pierre, J.W., Trudnowski, D.J.
Format: Article
Language:English
Subjects:
Brakes
Councils
Direct current
Dynamic tests
Dynamical systems
Dynamics
Electric power generation
ELECTRICITY
Insertion
Performance evaluation
Performance monitoring
Phasor measurement units
phasor measurements
Power system dynamics
Power system interconnection
Power system security
POWER SYSTEMS
POWER TRANSMISSION AND DISTRIBUTION
Resistors
SECURITY
SIMULATION
System performance
System testing
VALIDATION
Wide area measurements
Wide-Area Measurement System (WAMS)
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Summary:During 2005 and 2006, the western electricity coordinating council (WECC) performed three major tests of western system dynamics. These tests used a wide-area measurement system (WAMS) based primarily on phasor measurement units (PMUs) to determine response to events including the insertion of the 1400-MW Chief Joseph braking resistor, probing signals, and ambient events. Test security was reinforced through real-time analysis of wide-area effects, and high-quality data provided dynamic profiles for interarea modes across the entire western interconnection. The tests established that low-level optimized pseudo-random plusmn20 -MW probing with the pacific DC intertie (PDCI) roughly doubles the apparent noise that is natural to the power system, providing sharp dynamic information with negligible interference to system operations. Such probing is an effective alternative to use of the 1400-MW Chief Joseph dynamic brake, and it is under consideration as a standard means for assessing dynamic security.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2008.2009429