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31.412  Articles
1 of 3.142 pages  |  10  records  |  more records»
El uso de dispositivos basados en electrónica de potencia, los cuales son fuentes de distorsión armónica, conducen a las redes eléctricas a convertirse en receptores de estas tensiones y/o corrientes no-sinusoidales. Entre los equiposque han sufrido un im... see more

En este trabajo se aborda la temática del cálculo de las pérdidas de transformación. El método propuesto toma en consideración la variabilidad y asimetría de la carga, así como la presencia de problemas de calidad de la energía como el desbalance y las va... see more

Transformer is the crucial part in any electrical system, however there are many risks associated with its use. Thus this study was focused on assessing the status of PCBs contamination and distribution of transformers in Distribution Centre-North of the ... see more

From reliability, maintainability, and availability (RAM) points of view, the performance of power transformers has a significant impacts on the performance of the entire power network. Their performance has also a significant impacts on the power interru... see more

The overall life of oil-immersed power transformers depends on the long-term life of the oil–paper insulation system throughout continuous operation. Studying the reliability assessment methods for oil–paper insulation can help determine the reliability l... see more

The process of monitoring and measuring transformers at PT. PLN (Persero) at the distribution substation BR 391 is done manually during peak load hours in the field, usually between 18.00-22.00 local time. Distribution substations sometimes have different... see more

The existing method of the Master plan for electricity distribution networks is sectoral and macro-based, which means it is unable to show load centers in micro-grids. The inaccurate and bias results lead to the failure of determining the capacity of tran... see more

As the importance of protection in power systems increase, knowing the type of malfunction occurring in the system has become crucial. Especially in the distribution system where electricity is delivered to the consumer, detecting the right fault type wit... see more

Electrification in Kathmandu valley had started in 1911 and the use of polychlorinated biphenyls (PCBs) probably started since 1940s (Devkota, 2005). This research work was undertaken to find out the degree and extent of PCBs contamination in transformer ... see more

1 of 3.142 pages  |  10  records  |  more records»