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15.092  Articles
1 of 1.510 pages  |  10  records  |  more records»
Fault detection in the incipient stage is necessary to avoid hazardous operating conditions and reduce outage rates in transformers. Fault-detected dissolved gas analysis is widely used to detect incipient faults in oil-immersed transformers. This paper p... see more

Oil chromatographic analysis is widely used in transformer fault diagnosis, but it is difficult to establish accurate maping relationship between the parameter space and the state space, and there is information complexity. This paper adopts the combined ... see more

Dissolved gas analysis (DGA) has been widely applied to diagnose internal faults in transformer insulation systems. However, the accuracy of DGA technique is limited because of the lack of positive correlation of the fault-identifying gases with faults fo... see more

This paper presents research on the voltage and current distortion in the input stage, isolation stage and output stage of Distribution Electronic Power transformer (D-EPT) after the open-circuit and short-circuit faults of its power switches. In this pap... see more

Se presentan los resultados sobre el procedimiento de diagnóstico realizado a un conjunto de transformadores por el método de análisis de respuesta en frecuencia ante pruebas de impulsos. En la mayoría de los laboratorios especializados el registro de las... see more

Med udgangspunkt i cases fra to feltstudier beskriver forfatterne, hvordan ADHD-diagnosen af flere forskellige grunde bliver attraktiv for professionelle og klienter med stofmisbrug i Kriminalforsorgens institutioner og i stofmisbrugsbehandlingsinstitutio... see more

Denne artikel viser, hvordan diagnoser indgår som centrale komponenter i en styrings-infrastruktur på sundhedsområdet. Herved opnås en forståelse af diagnoser som ’styrings-hybrider’, som på en og samme tid betegner patienters lidelser og deres regnskabsm... see more

1 of 1.510 pages  |  10  records  |  more records»