Note: Soldering three brass connectors in a solar panel junction box assembly
Objective:
Solder three brass connectors one at a time in a solar panel junction box without affecting the components in the junction box
End Product:
solar panel junction box
Equipment:
Ambrell 4.2 kW induction heating system, equipped with a remote workhead containing one 1.0 µF capacitor. An induction heating coil designed and developed specifically for this application.
Materials:
Solar panel junction box, brass connectors, solder wire
Temperature:
700 ºF (371 ºC)
Frequency:
344 kHz
Testing:
A three turn oval shaped helical coil is used to heat the connectors. A piece of solder wire is placed onto the joint area and each joint is heated separately for 5 seconds to solder the connector. The total process time is 15 seconds for the three joints.
Benefits:
Induction heating provides:
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Pinpoint accuracy deliver heating only to joint; does not affect surrounding components
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Localized heat produces neat and clean joints
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Produces high quality, repeatable results
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Even distribution of heating

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