FDTD Electromagnetic and Thermal Simulation of a Metal Oxide Varistor Element Considering the Temperature Dependence of Its Resistivity
Abstract
:1. Introduction
2. Methodology
2.1. Nonlinear Resistive Property of MOV Material
2.2. Thermal Calculation
2.3. Temperature Dependence of MOV Material
3. Modeling
4. Analysis and Results
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Initial Temperature (K) | Surface Temperature (K) | Temperature Rise (K) | |
---|---|---|---|
Measured | 293 | 359 | 66 |
FDTD | 293 | 356 (356) | 63 (63) |
Resistivity Variation | Time (μs) | Generated Thermal Energy (J) |
---|---|---|
±0% | 50.3 | 269 |
±1% | 49.4 | 266 |
±5% | 47.0 | 257 |
±10% | 45.2 | 249 |
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Tanaka, T.; Baba, Y.; Tsujimoto, Y.; Tsukamoto, N. FDTD Electromagnetic and Thermal Simulation of a Metal Oxide Varistor Element Considering the Temperature Dependence of Its Resistivity. Electricity 2021, 2, 158-167. https://doi.org/10.3390/electricity2020010
Tanaka T, Baba Y, Tsujimoto Y, Tsukamoto N. FDTD Electromagnetic and Thermal Simulation of a Metal Oxide Varistor Element Considering the Temperature Dependence of Its Resistivity. Electricity. 2021; 2(2):158-167. https://doi.org/10.3390/electricity2020010
Chicago/Turabian StyleTanaka, Tokuya, Yoshihiro Baba, Yoshimasa Tsujimoto, and Naoyuki Tsukamoto. 2021. "FDTD Electromagnetic and Thermal Simulation of a Metal Oxide Varistor Element Considering the Temperature Dependence of Its Resistivity" Electricity 2, no. 2: 158-167. https://doi.org/10.3390/electricity2020010