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Distribution line models analysis for loss calculation within three-phase three-wire power flow algorithms
(2004-12-01)
Three-phase three-wire power flow algorithms, as any tool for power systems analysis, require reliable impedances and models in order to obtain accurate results. Kron's reduction procedure, which embeds neutral wire influence ...
PMUs optimized allocation using a tabu search algorithm for fault location in electric power distribution system
(2004-12-01)
Phasor Measurement Units (PMUs) optimized allocation allows control, monitoring and accurate operation of electric power distribution systems, improving reliability and service quality. Good quality and considerable results ...
A novel single-phase hpf hybrid rectifier suitable for front-end trolleybus systems
(2009-12-01)
This paper proposal presents the development and the experimental analysis of a new single-phase hybrid rectifier structure with high power factor (PF) and low harmonic distortion of current (THDI), suitable for application ...
Control and protection of active distribution systems using a new multiobjective mathematical model
(2017-12-01)
This paper presents a methodology based on a multiobjective mathematical model to optimally allocate and coordinate protective devices and switches in electric power distribution systems with distributed generation (DG). ...
Reliability evaluation of power transformers using partial discharge testing and measurement of low molecular mass acids in insulating oil
(2014-11-10)
The transformer is a fundamental part in electrical power systems. This equipment represents high cost and requires greater attention during maintenance activities. To avoid interruptions, it is important to evaluate the ...
Optimal switch allocation for automatic load transfer in distribution substations
(2011-10-05)
This work proposes a methodology for optimized allocation of switches for automatic load transfer in distribution systems in order to improve the reliability indexes by restoring such systems which present voltage classes ...
System Diagnostics and Monitoring applied in Flaws of the Structure Systems in HPSs by Using Image Processing
(Ieee, 2015-01-01)
The system proposed in this work makes use of an underwater operated vehicle to replace the divers in the inspection operation in Hydroelectric Power Station (HPS) equipped with high-resolution video cameras, able to get ...
System diagnostics and monitoring applied in flaws of the structure systems in HPSs by using image processing
(2015-11-10)
The system proposed in this work makes use of an underwater operated vehicle to replace the divers in the inspection operation in Hydroelectric Power Station (HPS) equipped with high-resolution video cameras, able to get ...
A Current Sensitivity Model for Power System Stability Studies
(Ieee, 2018-01-01)
Mathematical models have an important role in the study, analysis and planning of electric power systems operation. Suitable models produce more reliable data regarding the real behavior of the system. The main objective ...
A current sensitivity model for power system stability studies
(2019-01-25)
Mathematical models have an important role in the study, analysis and planning of electric power systems operation. Suitable models produce more reliable data regarding the real behavior of the system. The main objective ...