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Power system control and analysis

Grant number: 11/01035-7
Support type:Research Projects - Thematic Grants
Duration: October 01, 2011 - September 30, 2015
Field of knowledge:Engineering - Electrical Engineering - Power Systems
Principal researcher:Newton Geraldo Bretas
Grantee:Newton Geraldo Bretas
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Pesquisadores principais:
Joao Bosco Augusto London Junior
Assoc. researchers:André Christóvão Pio Martins ; Joao Bosco Augusto London Junior ; Luís Fernando Costa Alberto ; Rodrigo Andrade Ramos
Associated scholarship(s):15/10117-8 - Geometrical view of state estimation and gross error analysis, BE.PQ
14/10123-5 - Load flow in electrical power systems, BP.IC
13/19234-1 - Methodology for service restoration in distribution systems considering voltage regulators, capacitor banks and the operational characteristics of several kinds of switchers, BP.MS
+ associated scholarships 13/13236-2 - Methodology for Determining Service Restoration Plans in Large-Scale Distribution Systems Considering Practical Aspects of the Problem, BP.DR
13/07976-3 - Power Systems State Estimation: A Geometrical View in the Processing of Topological Errors, BP.DR
12/22624-3 - Three-phase Distribution System State Estimator Considering SCADA Measurements, Pseudo-measurements, Virtual Measurements and Synchronized Phasor Measurements, BP.DR
12/19615-2 - Service Restoration in Distribution Systems With Priority Customers, BP.IC
12/13460-7 - Metering system plan considering cost, PMUs and technical criteria (observability, measurement redundancy, multiple topologies and gross error processing), BP.MS
11/23345-8 - General Energy Function of Control Applied to TCSC Regulators in Power Systems., BP.DR
11/21067-0 - Observability and Measurement Redundancy of Metering System composed of Conventional and Synchronized Phasor Measurements., BP.IC
10/16174-0 - Detection, identification and correction of transmission lines parameter errors considering the possibility of gross errors and the availability of PMUs., BP.PD - associated scholarships


The increasing demand for electrical energy in the last decades and the great number of new interconnections between neighbor systems have made the operation and control of power systems a challenging task for engineers. More precise and refined techniques of analysis have been required to safely operate power systems. The main aim of this research project is to develop new and more refined methods for analysis and control of power system in order to improve the reliability of the system operation. Power system analysis can be divided into several topics. From the technical point of view, this project deals with some of them in which the group has already established reasonable acknowledgment. Basically, the following subtopics will be covered: 1) State Estimation: (i) Geometrical and Topological basis for the Measurements Gross Errors Analysis, Network Parameters and Topological Errors, (ii) State Estimation with Synchronized Phasor Measurements, (iii) Distribution Systems State Estimation, 2) Stability Analysis: (i) Transient Stability via Direct Methods, (ii) Small-Signal Stability, (iii) Voltage Stability and 3) Network Reconfiguration in Distribution Systems. New methodologies and tools of analysis will be developed, contributing in this way for the security and reliability of electrical power systems. (AU)

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