The mainstreams of research papers developed to analysis of electrical systems power quality for non-linear loads are conducted for low voltage feed. This, if in one hand have furnished important results about the performance ...

This article presents the development of an automatism by means of a Programmable Logic Controller (PLC), for the Fire System of an Electric Substation; For this, the areas belonging to the electrical substation are initially ...

This paper proposes the application of computational intelligence techniques to assist complex problems concerning lightning in transformers. In order to estimate the currents related to lightning in a transformer, a neural ...

This paper proposes the application of computational intelligence techniques to assist complex problems concerning lightning in transformers. In order to estimate the currents related to lightning in a transformer, a neural ...

This thesis presents a new methodology for the classification and substitution of power transformers in substations. The thesis proposes the use of the Operational Vulnerability Indicator (OVI), which consists of two ...

Consumer units are defined by a set of facilities of a single customer characterized by the delivery of electric power at a single point, with individualized metering. For installations with an installed load of more ...

Instrument transformers (IT) are used to reduce current or voltage values of the electric power system (EPS) to values which are tolerated by the measurement, control and protection instruments, without changing its nature. ...