Thread Starter Luna Tuna Joined Jan 17, 2019 17 Jan 19, 2019 #1 Should it be a square wave centered at 0V? Or can it be a square wave centered at + 7.5V and swing from 0 to 15V?
Should it be a square wave centered at 0V? Or can it be a square wave centered at + 7.5V and swing from 0 to 15V?
Thread Starter Luna Tuna Joined Jan 17, 2019 17 Jan 19, 2019 #2 My guess is to oscillate around 0 since having a DC offset would just heat up the work coil more?
wayneh Joined Sep 9, 2010 16,834 Jan 19, 2019 #3 A sine wave will be the most efficient. And yes, you don't want a DC component.
Reloadron Joined Jan 15, 2015 5,787 Jan 19, 2019 #4 Using the Chinese made 1000 Watt ZVS Induction Heater Notes this link is pretty good. Several years ago I played around with one of these units and I found the notes, including schematic and scope images to be useful. Ron
Using the Chinese made 1000 Watt ZVS Induction Heater Notes this link is pretty good. Several years ago I played around with one of these units and I found the notes, including schematic and scope images to be useful. Ron
MaxHeadRoom Joined Jul 18, 2013 22,386 Jan 19, 2019 #5 I used to service industrial HF systems and they were all AC at the work coil. In fact some even had an HF transformer at the work jig. Max.
I used to service industrial HF systems and they were all AC at the work coil. In fact some even had an HF transformer at the work jig. Max.