20 kHz Magnetic Field Emission of Induction Cooking Heaters
This exposure assessment measured 20 kHz magnetic field leakage from induction cooking heaters across four models and compared results with ICNIRP general public limits. The maximum reported magnetic flux density was 16 µT at a specified measurement point using two S-type pans. Field leakage depended on pan size and configuration, and finite element modeling was reported to align closely with measurements.
Key points
- Magnetic field leakage was assessed for four induction cooking heater models at a fundamental frequency of 20 kHz.
- Magnetic flux density was reported in µT, with a maximum observed value of 16 µT under a specific pan configuration and measurement location.
- Leakage levels varied by pan size and arrangement, with two S-type pans producing the most leakage among the tested configurations.
- Results were compared with ICNIRP limits for general public exposure to 20 kHz magnetic fields.
- Finite element method analysis was reported to be validated by close agreement with experimental measurements.
- The paper frames the findings as relevant for estimating domestic and workplace exposure and notes potential risk if values approach or exceed safety thresholds.
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AI-generated summaries may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.
AI-generated summaries may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.
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