Merilni sistem za karakterizacijo hrupa obremenjenega elektromotorja

Komel, Žan (author), Slavič, Janko (mentor)

Ker meritve hrupa neobremenjenega elektromotorja niso dober pokazatelj hrupa obremenjenega izdelka na aplikaciji, smo zasnovali merilni sistem za meritve hrupa obremenjenega elektromotorja. Mehansko smo ga obremenili preko jermenskega gonila s servo motorjem in njegovo raven zvočne moči primerjali z ravnjo zvočne moči električno preobremenjenega elektromotorja. Zvočno moč smo ovrednotili z meritvami zvočnega tlaka z 20 mikrofoni v gluhi sobi. Ugotovili smo, da merilni sistem ni primeren za ovrednotenje zvočne moči samega elektromotorja, je pa uporaben za primerjavo hrupa različnih vzorcev obremenjenih elektromotorjev.

• Language: Slovenian
• Keywords: merilni sistemi, obremenjeni elektromotorji, hrup in vibracije, raven zvočne moči, gluha soba
• Work type: Master's thesis/paper
• Typology: 2.09 - Master's Thesis
• Organization: FS - Faculty of Mechanical Engineering
• Place of publishing: Ljubljana
• Publisher: [Ž. Komel]
• Year: 2023
• Number of pages: XXII, 60 str.
• PID: 20.500.12556/RUL-148551
• UDC: 621.317:613.644(043.2)
• COBISS.SI-ID: 165002755
• Publication date in RUL: 26.08.2023

Secondary language

• Language: English
• Title: Measurement setup for noise characterization of a loaded electric motor

Abstract

Noise measurements of an unloaded electric motor are not sufficient noise indicators of a loaded product on an application. For this purpose, we have designed a measurement setup for noise characterization of a loaded electric motor. It was mechanically loaded with a belt drive, connected to a servo motor. Its sound power level was compared to the sound power level of an electrically overloaded electric motor. The sound power was evaluated from sound pressure measurements with 20 microphones in an anechoic chamber. We concluded that the measurement system is not suitable for evaluating the sound power of the electric motor itself, but it is useful for comparing noise of different samples of loaded electric motors.

• Keywords: measurement setups, loaded electric motors, noise and vibration, sound power level, anechoic chamber