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Optimization of Temperature Uniformity in Photovoltaic Laminators Based on Electromagnetic Induction Heating.

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Title: Optimization of Temperature Uniformity in Photovoltaic Laminators Based on Electromagnetic Induction Heating.
Authors: Shi, Lei1,2 (AUTHOR) shileineau@sina.com, Liu, Yimai1,2 (AUTHOR), Duan, Pengju1 (AUTHOR), Zhang, Liang1,2 (AUTHOR), Li, Aozhan1 (AUTHOR)
Source: Energies (19961073). Dec2025, Vol. 18 Issue 23, p6096. 24p.
Subjects: Induction heating, Temperature control, Fabrication (Manufacturing), Numerical analysis, Thermal equilibrium
Abstract: To address the poor temperature uniformity of conventional heating systems in photovoltaic module laminators, this paper proposes an electromagnetic induction heating method incorporating temperature control. An electromagnetic–thermal coupling model was developed using COMSOL Multiphysics 6.3 to quantitatively analyze the effects of current, frequency, and coil-to-plate gap on the temperature rise of the heating plate. Through optimized coil turn distribution, addition of insulation cotton, and implementation of on-off control, precise regulation of the heating plate temperature was achieved. Experimental validation was performed using a small-scale electromagnetic induction heating platform. The results demonstrate that the influence of parameters on temperature uniformity follows the order current intensity > frequency > gap. The optimized system stabilized the effective working surface within 150 ± 2 °C in approximately 5500 s, maintaining this temperature range during subsequent operation, thereby meeting the process requirements for lamination. This study provides valuable insights for optimizing heating systems in photovoltaic module manufacturing. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Optimization of Temperature Uniformity in Photovoltaic Laminators Based on Electromagnetic Induction Heating.
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  Data: <searchLink fieldCode="AR" term="%22Shi%2C+Lei%22">Shi, Lei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> shileineau@sina.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Yimai%22">Liu, Yimai</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Duan%2C+Pengju%22">Duan, Pengju</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Liang%22">Zhang, Liang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Aozhan%22">Li, Aozhan</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Dec2025, Vol. 18 Issue 23, p6096. 24p.
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  Data: <searchLink fieldCode="DE" term="%22Induction+heating%22">Induction heating</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+control%22">Temperature control</searchLink><br /><searchLink fieldCode="DE" term="%22Fabrication+%28Manufacturing%29%22">Fabrication (Manufacturing)</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+equilibrium%22">Thermal equilibrium</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To address the poor temperature uniformity of conventional heating systems in photovoltaic module laminators, this paper proposes an electromagnetic induction heating method incorporating temperature control. An electromagnetic–thermal coupling model was developed using COMSOL Multiphysics 6.3 to quantitatively analyze the effects of current, frequency, and coil-to-plate gap on the temperature rise of the heating plate. Through optimized coil turn distribution, addition of insulation cotton, and implementation of on-off control, precise regulation of the heating plate temperature was achieved. Experimental validation was performed using a small-scale electromagnetic induction heating platform. The results demonstrate that the influence of parameters on temperature uniformity follows the order current intensity > frequency > gap. The optimized system stabilized the effective working surface within 150 ± 2 °C in approximately 5500 s, maintaining this temperature range during subsequent operation, thereby meeting the process requirements for lamination. This study provides valuable insights for optimizing heating systems in photovoltaic module manufacturing. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/en18236096
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      – Code: eng
        Text: English
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        PageCount: 24
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      – SubjectFull: Induction heating
        Type: general
      – SubjectFull: Temperature control
        Type: general
      – SubjectFull: Fabrication (Manufacturing)
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      – SubjectFull: Numerical analysis
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      – SubjectFull: Thermal equilibrium
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      – TitleFull: Optimization of Temperature Uniformity in Photovoltaic Laminators Based on Electromagnetic Induction Heating.
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            NameFull: Zhang, Liang
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            – D: 01
              M: 12
              Text: Dec2025
              Type: published
              Y: 2025
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