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Questions tagged [toroid]

A toroid is a donut shaped transformer or inductor with a core made of ferrite, permalloy or wrapped silicon steel. They are used where better efficiency, containment and isolation of EMI are very important. A conductor must pass through the center of the toroid to count as a 'turn'.

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DIY toroidal transformer spot welder

I've put together a toroidal transformer using a core suitable for 1500VA. The primary coil is around 70 turns with the secondary coil being just one. When I plug it into the mains (110VAC), I just ...
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Ferrite vs. iron powder toroid for buck converters?

I'm wondering about the difference between small (13 mm outer diameter) ferrite and the yellow white iron powder toroids. Will the ferrite toroids saturate at 5 A current? I'm planning on using ...
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Primary current expectation in unloaded toroidal transformer

Background I found a hefty, 7 kg toroidal transformer in visually good condition at a flea market which I am trying to map out. This is part one: I am not sure about what is happening on the primary ...
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DIY transformer (toroid) waveform

Update Ok, it may be related to the adhesive I'm using to glue the toroids on the 3D prints.. I'll wait till tomorrow for it to cure and test again.. I'm trying to build a portable/battery ...
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Toroid coating got scratched

Will there be any performance effect if the torroid coating gets scratched?
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How to choose Toroid core to improve DC current measurement

I'm currently working on a project where I'm using a linear Hall-Effect sensor to monitor changes in DC current. This DC current is modulated at anywhere from 15 to 20 Hz. The magnitude is around ...