Application Of The Temperature-Time Method For Measurement Of Local Power Losses In Transformer Steel Parts (CROSBI ID 243793)
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Sitar, Robert ; Janić, Žarko
engleski
Application Of The Temperature-Time Method For Measurement Of Local Power Losses In Transformer Steel Parts
Paper presents an application of temperature- time method for measurement of local losses in magnetic steel. Developed measurement system is described with focus on design of sensors and choice of instruments. Chosen equipment is tested on a DC circuit designed for measurement of losses in aluminum and copper conductors. Same measurement system is used for local loss measurement on magnetic steel rings. Measurement errors due to non-uniform loss distribution inside magnetic steel and heat dissipation to surrounding medium are analyzed and estimated.
local power loss, temperature-time method, magnetic steel, thermocouple, coupled calculation
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