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Posted on 15th Nov 2022
The induction heating system is a rapid, flameless, and energy-efficient way of heating conductive materials, making it one of the most beneficial to manufacturing processes and homes.
What does your typical home induction system consist of? It includes an induction power supply, a chiller or cooling system, and a work head with a copper toil. The process starts when current flows through the coil creating an electromagnetic alternating field. Once a conductive material is placed in the coil, currently runs through it. Therefore, the combination of current flow and the resistance properties from the conductive material will result in heat generation.
The induction heating system is not as complex as one would imagine, but it serves great purposes. To make the most out of this system, it is crucial that you choose the right system aligned with your applications and requirements. Here are seven factors to consider when purchasing an induction heating system for your home.
Highly resistive metals like steel take less heat, while metals with lower resistivity, like copper, require more heat. The induction will directly heat materials, while non-conductive materials have to be heated with a conductive susceptor. Hysteresis will make magnetic materials efficiently heated compared to non-magnetic materials, and thus non-magnetic materials require more power. This is why one must consider the part's materials and purchase a conductor accordingly.
The surface allows more of an intense induced current and gets less intense the deeper it gets. Over 80% of the heat produced is sent to the surface. Thus, larger parts will require more thorough heating processes to heat within as opposed to comparatively thinner parts. The induction heating system you require will vary with how thick of materials, i.e., your walls, etc. If you plan on using thick materials for home walls, it is recommended that you purchase an intense induction heating system.
The next thing to consider is the active working time of your induction heating system. For a more extended working time requirement, choose a system that produces higher power. On the contrary, select a piece of equipment with relatively low power if you know usage won't be prolonged.
You can easily calculate the induction heating power supply for a specific usage. Take that into consideration and hunt for a system that aligns with those requirements. Consider how much energy needs to be transferred. This depends on the quality of the material, the specific heat of the material, and the heating temperature. Another aspect to keep in mind is the heat loss from conduction, radiation, and convection.
This is one of the obvious ones, but it's worth a mention. High-powered heat induction in a hotter climate may not be necessary. Similarly, a low-powered induction system in a cold climate may be rendered useless. Take your usage into consideration and how much heat you need provided. Homes tend to use much less heating than activities like welding, but that may change depending on the size of your home.
Your typical coil is made of copper and generally water-cooled. It's important to point out that the ideal coil matches the shape of the part and considers the process. It will deliver the right heat pattern in an efficient manner, whereas a poorly made coil will provide slower heating and an improper heating pattern. There are flexible coils available in the market that work well with unique part geometrics. The optimal coil design will maximize the efficiency of the induction power supply.
Keep additional heating requirements into account while choosing an induction system. You can find designs that accurately measure and store your heating data. They also offer a complete system that includes temperature monitoring software and an optical pyrometer allowing your data to be efficiently stored and recorded. This function will allow you a smoother experience.
An induction heating system is an excellent way of heating your home. There is a range of factors to consider when selecting one. For starters, resistivity and the materials must be considered since non-magnetic materials require more power. The thickness of your walls or system will determine the amount of heat provided, so opt for a high-powered induction heating system for thicker materials. Another factor to consider is how long the heating system will be working. Take it into account, and then you can determine the power you need. Climate is another factor that should not be neglected. Coil design will determine the quality of the heat pattern since an improper coil design will provide ineffective heating conditions. Don't forget to consider power supply capacity. You can do this by measuring supply usage and taking it into account before purchasing your induction system. Finally, if you want your induction to have an additional function, you can find some that monitor and store heating data.
We hope this article proves informative and helps you choose the right induction heating system for your home. Thank you for reading!
