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32.470  Articles
1 of 3.247 pages  |  10  records  |  more records»
All types of relay protection are based on comparing the values for certain attributes under a system's normal and emergency operational modes. A new attribute for defining the emergency mode in a direct current traction electricity supply system has been... see more

This paper presents a comparative study between two techniques of signal processing to diagnose both faults the inter-turn short circuit (ITSC) in stator windings and the unbalanced voltage supply (UVS) in induction motors. The first is considered a class... see more

En los últimos años se ha producido de manera acelerada la introducción de equipos de tecnología digital avanzada en lossectores residencial, comercial e industrial, lo que garantiza una mayor automatización de los procesos y calidad de vida del hombre. S... see more

Based on the controlled parameter speed and acceleration change measurement along with use of a current-limiting reactor, short circuit currents protection efficiency increase system has been proposed. To achieve this goal, a number of auxiliary tasks hav... see more

The object of research is the probabilistic characteristics of the occurrence of a short circuit (SC) on overhead electric transmission lines (ETL) of voltage classes 110 kV and higher, the failure of which can lead to the development of an accident in th... see more

The object of research is the probabilistic characteristics of the occurrence of a short circuit (SC) on overhead electric transmission lines (ETL) of voltage classes 110 kV and higher, the failure of which can lead to the development of an accident in th... see more

Currently, renewable energy is under review so that its use can be more widespread in the future. One of the renewable energy sources that are commonly used is solar energy through solar cell technology that can convert solar energy into electrical energy... see more

In the electric power system, the short-circuit study is essential for planning, designing and extending the electrical system. The data obtained from this calculation will be used to determine busbar tuning and power breaker capacity. The circuit breaker... see more

It has been proposed to use power losses as an additional energy parameter to complement basic energy indicators in determining the short circuit mode in a traction power grid. Three techniques have been reported to determine the transitional characterist... see more

1 of 3.247 pages  |  10  records  |  more records»