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Scope
Identify and investigate stability
problems in electric power systems. Provide a forum to discuss physical
aspects of stability phenomena and to review and promote the development of
methods of analyzing, monitoring, and mitigating stability problems.
Investigate and recommend models and modeling procedures for the analysis of
system dynamic performance. Consider all relevant power system components,
including generation, transmission and load elements that affect system
dynamic performance. Coordinate with other groups concerned with the
modeling of specific components. Foster development of improved methods for
acquiring data on system components and for validation of system
representation. Coordinate related activities with other subcommittees of
the Power System Dynamic Performance Committee and with other industry
groups. Sponsor and promote relevant technical papers and technical
sessions.
Committee officers
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Costas
Vournas, Chair
National
Technical University
Athens,
Greece
vournas@power.ece.ntua.gr |
Innocent
Kamwa, Secretary
IREQ
Montreal,
Canada
kamwa@ireq.ca |
Working groups and task forces
The structure of the Subcommittee
is a mix of Working Groups and Task Forces, addressing the various technical
areas within the scope of the Subcommittee.
Working Group on Voltage Stability (Chair:
Venkataramana Ajjarapu)
This group focuses on all aspects of voltage
stability, its analysis and methodologies for performing such analyses.
The group promotes and helps organize panel sessions, tutorials and other
activities related to the study of voltage stability.
Working Group on Power System Dynamic Modeling
(Chair: Bajarang L. Agrawal)
This group focuses on all aspects of power system
modeling for stability studies. The group promotes and helps organize
panel sessions, tutorials and other activities related to this subject.
Working Group on Dynamic Security Assessment
(Chair: Costas Vournas)
This group focuses on all aspects of dynamic
security assessment for both on-line and off-line applications. The group
promotes and helps organize panel sessions, tutorials and other activities
related to this subject.
Task Force on Modeling of Large Interconnected
Systems for Stability Analysis
(Chair: Leonardo Lima)
...
Task Force on Turbine-Governor Modeling
(Chair: Pouyan Pourbeik)
The purpose of this Task Force is to review and
make recommendations related to the use of models for turbine-governors
for power system simulations. Although recent documents published by CIGRE,
WECC and others have provided newly developed models for use in modeling
thermal turbine-governors, modern combined-cycle power plants and
hydro-turbines, there is benefit to reviewing these recommendations and
consolidating them with the usage of older models that still exist in
commonly used simulation programs. The Task Force should make general
recommendations on which models are applicable for which tasks and which
models are presently considered obsolete. Also, the Task Force should
identify any deficiencies in existing models and make recommendations on
improving them.
Task Force on Test Systems for Voltage Stability
and Security Assessment (Chair: William Rosehart)
This Task Force is working on providing a set of
power system models (benchmarks) of various sizes that exhibit short term
and/or long term voltage stability problems with full documentation. The
benchmark systems will be made freely available to parties interested in
the area (i.e a web site will be developed to store the benchmarks). The
taskforce will prepare a publication where sample analysis and security
assessment results will be provided by different software available to the
TF, which other methods can use for comparison/benchmark purposes.
Task Force on Adjustable Speed Pump Storage Modeling
(Chair: Peter Donalek)
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Recently Disbanded Task Forces
Task Force on Modal Identification of
Electromechanical Modes (Chair:
Juan Sanchez-Gasca)
The Task Force focused on identification based
either on simulation or ambient data and compiled one single document
on techniques developed after Prony, including ERA, Pencil, N4SID, YW, and
HHT. Methods, as well as applications were reviewed.
Final Report
Task Force on Impact of Industry Restructuring on
System Dynamic Performance (Chair: Claudio
Canizares, Secretary: Federico Milano)
The purpose of this Task Force was to investigate
the impact of industry restructuring on system dynamic performance. The
Task Force sponsored conference sessions and tutorials and published
research articles in the IEEE. The specific tasks were: (1) to survey
system dynamic performance situations under various power market and
trading arrangements around the world with emphasis on the comparison
before and after restructuring; (2) to investigate the major new factors
resulting from market restructuring that affect system dynamic
performance; (3) to study the interaction between power markets and system
dynamic performance; (4) to review the current development of new tools
for dynamic performance management, such as stability constrained optimal
power flow.
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