Massimo Negro

ORCID: 0000-0002-2060-9177
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About
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Research Areas
  • Power Transformer Diagnostics and Insulation
  • Thermal Analysis in Power Transmission
  • Magnetic Properties and Applications
  • Heat Transfer and Boiling Studies
  • Nanofluid Flow and Heat Transfer
  • Metallurgical Processes and Thermodynamics
  • High voltage insulation and dielectric phenomena
  • Vibration and Dynamic Analysis
  • Silicon Carbide Semiconductor Technologies
  • Fluid Dynamics and Vibration Analysis

Oil-flow distribution in the winding has a direct impact on cooling performance. In addition, static pressure drop over determines oil split among windings connected hydraulically parallel. this paper, experimental verifications are provided to support computational fluid dynamics (CFD) simulations for disc-type oil-forced and directed (OD) modes. models measured using particle image velocimetry system differential instrument, respectively. Dimensional analysis is adopted analyze...

10.1109/tpwrd.2017.2739483 article EN IEEE Transactions on Power Delivery 2017-09-28

In this paper, dimensional analysis is adopted to study fluid flow distribution and temperature in disc-type ON (oil natural) cooled transformer windings. Theoretical on the thermal driving force pressure drop liquid circulation loop also performed determine total rate transformer. The performance of three different liquids, a hydrocarbon mineral oil, gas-to-liquid (GTL) oil synthetic ester are investigated using computational dynamics (CFD) simulations, based understanding from rates...

10.1109/icdl.2017.8124677 article EN 2017-06-01

The design of industrial rectifier transformers for use in the field aluminum production requires evaluation effects current harmonics waveforms, terms electromagnetic fields interacting with transformer’s constituent materials. waveforms currents flowing through windings and high-current output connections are highly distorted due to a high presence that contribute significantly overall losses developed within system causing overstress insulation these cannot be approached by means...

10.3233/jae-230410 article EN International Journal of Applied Electromagnetics and Mechanics 2024-09-01
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