PROPOSED METHODOLOGY FOR ONLINE FREQUENCY RESPONSE ANALYSIS BASED ON MAGNETIC COUPLING TO DETECT WINDING DEFORMATIONS IN TRANSFORMERS

Proposed methodology for online frequency response analysis based on magnetic coupling to detect winding deformations in transformers

Frequency response analysis is widely used as a method for the offline diagnosis of winding deformations in power transformers.To apply it to a working transformer, people need to determine how to inject the excitation signal and measure the response signal for windings that bear a rated voltage and current.In this study, a method to obtain the fre

read more

Density Measurements of Waste Cooking Oil Biodiesel and Diesel Blends Over Extended Pressure and Temperature Ranges

Density and compressibility are primordial MOROCCAN MOON ARGAN parameters for the optimization of diesel engine operation.With this objective, these properties were reported for waste cooking oil biodiesel and its blends (5% and 10% by volume) mixed with diesel.The density measurements were performed over expanded ranges of pressure (0.1 to 140 MPa

read more