1 Comparison of PSS, SVC and STATCOM Controllers for Damping Power System Oscillations (2009)
N. Mithulananthan, Student Member, Claudio A. Cañizares, Senior Member, John Reeve, Graham J. Rogers
Abstract — This paper discusses and compares different control techniques for damping undesirable inter-area oscillation in power systems by means of Power System Stabilizers (PSS), Static Var...
Reactive Power and Voltage Control in Distribution Systems with Limited Switching Operations (2009)
M. B. Liu, Claudio A. Cañizares, W. Huang
Abstract—An algorithm based on a nonlinear interior-point method and discretization penalties is proposed in this paper for the solution of the mixed integer nonlinear programming (MINLP) problem...
Claudio A. Cañizares, Edvina Uzunovic, John Reeve
Abstract — This report describes and validates a transient stability and power flow model of a Unified Power Flow Controller (UPFC), and presents a detailed comparison of different controls...
Rafael J. Avalos, Student Member, Claudio A. Cañizares, Federico Milano, Antonio J. Conejo, I. Nomenclature
Abstract — This paper presents a comprehensive and detailed study of an optimization-based approach to identify and analyze saddle-node bifurcations (SNB) and limit-induced bifurcations (LIB) of a...
1 Multi-objective Optimal Power Flows to Evaluate Voltage Security Costs in Power Networks (2009)
William Rosehart, Claudio A. Cañizares, Senior Member, Victor H. Quintana
Abstract — In this paper, new optimal power flow (OPF) techniques are proposed based on multi-objective methodologies to optimize active and reactive power dispatch while maximizing voltage...
Effects of Limits in Small Signal Stability Analysis of Power Systems (2009)
Claudio A. Cañizares, Nadarajah Mithulananthan
Abstract⎯This paper concentrates in demonstrating and analyzing the effects of limits on power system eigenvalue computations when system parameters change. A 3-bus system is used to illustrate and...
HE potential benefits of using Flexible AC Transmission (2009)
Claudio A. Cañizares, Senior Member, Victor M. Doña
Abstract⎯Different control aspects related to the use of TCSC for stability improvement of power systems are addressed in this paper. A novel hierarchical control designed for both dynamic and...
A Practical Voltage-Stability-Constrained Optimal Power Flow (2009)
Rafael J. Avalos, Claudio A. Cañizares, Miguel F. Anjos
Abstract — This paper proposes a novel and practical method to enforce a voltage stability constraint (VSC) in an Optimal Power Flow (OPF) auction model, based on the minimum singular value and...
1 Tuning, Performance and Interactions of PSS and FACTS Controllers (2009)
N. Mithulananthan, Student Member, Claudio A Cañizares, Senior Member, John Reeve
Abstract⎯This paper discusses issues of tuning, performance and interactions of PSS and FACTS controllers in a test power system. The controllers are placed in the system to control...
Claudio A. Cañizares, Senior Member, N. Mithulananthan, Student Member, Alberto Berizzi, John Reeve
Abstract — This paper analyzes the linear profiles presented by certain classes of bifurcation indices with respect to the variation of the loading parameter in power systems. The bifurcation...
IEEE TRANSACTIONS ON POWER SYSTEMS 1 Web-based Security Cost Analysis in Electricity Markets (2009)
Hong Chen, Claudio A. Cañizares, Senior Member, Ajit Singh
Abstract — Security cost analysis is important in electricity markets to address the correlation between market operation and power system operation. This paper proposes an efficient security cost...
1 Linear Performance Indices to Predict Oscillatory Stability Problems in Power Systems (2009)
Claudio A. Cañizares, Senior Member, N. Mithulananthan, Student Member, Federico Milano, Student Member, ...
Abstract — Various indices are proposed and studied to detect and predict oscillatory instabilities associated with Hopf bifurcations in power systems. A methodology is also presented to produce a...
Xueping Gu, Claudio A. Cañizares, Senior Member
Abstract--Determining loadability margins to various security limits is of great importance for the secure operation of a power system. A novel approach is proposed in this paper for fast prediction...
MODELING AND SIMULATION OF IEEE 14 BUS SYSTEM WITH FACTS CONTROLLERS (2009)
Sameh Kamel, Mena Kodsi, Ieee Student Member, Claudio A. Cañizares, Ieee Senior, Member Abstract
This report covers the modeling of the standard IEEE 14 bus system using the Power System Toolbox (PST) package. The basic system is tested under large and small disturbances to study the dynamic...
Validation of a STATCOM Transient Stability Model through Small-Disturbance Stability Studies (2008)
Hassan Ghasemi, Claudio A. Cañizares
controllers are being more prevalently used to address some voltage and angle stability and control problems, especially in distribution systems with the advent of microgrids. Thus, this paper...
Power System Security in Market Clearing and Dispatch Mechanisms (2008)
Claudio A. Cañizares, Senior Member, Student Member
Abstract — This paper presents and discusses some typical market clearing and dispatch mechanisms based on securityconstrained (SC) optimal power flow (OPF) techniques that are currently being...
Xueping Gu, Claudio A. Cañizares
Abstract: Determining loadability margins to various security limits is of great importance for the secure operation of a power system, especially in the current deregulated environment. A novel...
Tools for Voltage Collapse Assessment (2008)
www.power.uwaterloo.ca Abstract — A variety of tools and techniques used for voltage stability analysis in power systems are discussed in this paper, with particular emphasis on their application...
Abstract — A novel technique based on a stability-constrained Optimum Power Flow (OPF) algorithm that properly captures important rotor angle and voltage stability conditions is proposed and...
Claudio A. Cañizares, Edvina Uzunovic, John Reeve
Abstract: This paper describes and validates transient stability and power flow model of a Unified Power Flow Controller (UPFC), and presents a detailed comparison of different controls strategies,...
Rafael J. Avalos, Student Member, Claudio A. Cañizares, Federico Milano, Antonio J. Conejo
Abstract — This paper is the first part of a series of two papers which present a comprehensive and detailed study of an optimization-based approach to identify and analyze saddlenode bifurcations...
Dynamic Versus Steady-State Modeling of FACTS Controllers in Transmission Congestion (2008)
Claudio A. Cañizares, Senior Member, Student Member
Abstract — This paper discusses the effect on transmission congestion management and pricing of dynamic and steadystate models of FACTS controllers. The analysis is based on comparing system...
Probabilistic Optimal Power Flow Applications to Electricity Markets (2008)
Gregor Verbič, Antony Schellenberg, Student Member, William Rosehart, Claudio A. Cañizares, Senior Member
Abstract — This paper presents the comparison of two solution
Gregor Verbič, Claudio A. Cañizares, Senior Member
Abstract — This paper presents an application of a two-point estimate method (2PEM) to account for uncertainties in the optimal power flow (OPF) problem in the context of competitive electricity...
Student Member, Claudio A. Cañizares, Senior Member
Abstract — A new stability constrained optimal power flow technique is proposed in this paper. The proposed methodology accounts for system dynamics through the use of a recently proposed stability...
Voltage Stability Constrained OPF Market Models Considering N-1 (2005)
Federico Milano, Claudio A. Cañizares, Marco Invernizzi C
This paper proposes two novel techniques for including contingencies in OPF-based electricity market computations and for the estimation of a “System-wide ” Available Transfer Capability (SATC)....
Prediction of instability points using system identification (2004)
Hassan Ghasemi, Claudio A. Cañizares, John Reeve
Abstract — Determining maximum loading margins is an important issue in power system operation, as system operators must take proper preventive actions to avoid stability problem. In this paper, an...
William Rosehart, Claudio A. Cañizares, Senior Member, Victor H. Quintana
Abstract — In this paper, detailed generator, exponential load and Static VAR Compensator models are incorporated into both traditional and voltage stability constrained optimal power flow problems...
STATCOM modeling for voltage and angle stability studies (2003)
Claudio A. Cañizares, Massimo Pozzi, Ro Corsi, Edvina Uzunovic
This paper proposes and validates models to accurately represent STATic Synchronous Shunt COMpensators (STATCOM) in voltage and angle stability studies of powers systems. The proposed STATCOM...
Transaction security cost analysis by take-risk strategy (2002)
Hong Chen, Claudio A. Cañizares, Ajit Singh
Abstract- Transaction Security Cost (TSC) analysis is important for managing and pricing transmission congestion in competitive electricity markets. This paper presents a novel TSC analysis method...
ANN-Based Short-Term Load Forecasting in Electricity Markets (2001)
Hong Chen, Claudio A. Cañizares, Ajit Singh
Abstract—This paper proposes an Artificial Neural Network (ANN)-based short-term load forecasting technique that considers electricity price as one of the main characteristics of the system load,...
Multi-parameter Bifurcation Analysis of Power Systems (1998)
Abstract⎯This paper presents a detailed bifurcation analysis of multi-parameter power systems. Equilibrium points are used to evaluate the system eigenvalues and obtain different bifurcation...
A VECTOR ENERGY FUNCTION APPROACH FOR SECURITY ANALYSIS OF AC/DC SYSTEMS (1992)
Christopher L. DeMarco, Claudio A. Cañizares
This paper examines dynamic behavior in system models that reflect reasonably detailed (third order) HVDC dynamics along with ac system models that include reactive flows, and frequency and voltage...
POINT OF COLLAPSE METHODS APPLIED TO AC/DC POWER SYSTEMS (1992)
Claudio A. Cañizares, Fernando L. Alvarado , Et Al.
This paper describes an extension of the Point of Collapse method developed for ac systems studies to the determination of saddle-node bifurcations in power systems including high voltage direct...
VOLTAGE COLLAPSE AND TRANSIENT ENERGY FUNCTION ANALYSES OF AC/DC SYSTEMS (1991)
This thesis presents a thorough analysis of saddle-node bifurcations for power system dynamic models, including a third order representation of high voltage direct current (HVDC) transmission,...