Tag Archives: IGBT

Kone elevator 45 kW motor drive teardown

This is a Kone KM997160 variable frequency motor drive that is developed and used for elevators.  Kone has a long history of their own motor drives that came in more or less atypical enclosures compared to other variable frequency drives. … Continue reading

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Kaizer DRSSTC IV

WARNING!: Working with electricity is dangerous, all information found on my site is for educational purpose and I accept no responsibility for others actions using the information found on this site. Read this document about safety! http://www.pupman.com/safety.htm Introduction DO NOT REPLICATE … Continue reading

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Kone elevator control/power electronics panel teardown

This is a Kone Elevator control and power electronics panel dated around 1999-2000 according to stickers and test marks. It does not appear to have had a user interface, unless that was connected to the RS232 port. The front reveals … Continue reading

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New online calculator for IGBT gate drive

I added a new online calculator that will help you do the calculations for IGBT gate drive. It is useful for continues wave operation and has a optional input and output for use with Tesla coils like DRSSTCs. Check it … Continue reading

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IGBT gate drive calculator

To insure that we switch our IGBT fast enough to lessen losses, slow enough to avoid ringing and the drive circuitry is stable we have to calculate the power, current and peak currents in our drive circuit. Detailed explanation further … Continue reading

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IGBT selection for Tesla coils or ZCS inverters

This is chapter 3 of the DRSSTC design guide: IGBTs Choosing a switch for a Tesla coil inverter is not a simple task if one looks into all the parameters given in a datasheet, and even more complex if you run … Continue reading

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DRSSTC design guide

Introduction to the guide This is a guide that aims to explain a few in depth details and best practices that one should have in mind when designing and building a Dual Resonant Solid State Tesla Coil (DRSSTC). It is … Continue reading

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Kaizer DRSSTC III

Introduction Having already built a medium and a small DRSSTC, I feel that I have the experience and want the challenge of building a large DRSSTC system. Safety WARNING!: Working with electricity is dangerous, all information found on my site … Continue reading

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Kaizer DRSSTC II – upgraded and kicking!

After driving the small TO-247 IGBTs so hard that they eventually failed, I have now upgraded the half bridge with a couple of IXGN60N60C2D1 isotop IGBT bricks. It is tuned much better now and is giving a fair amount of … Continue reading

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Kaizer DRSSTC II

Introduction I wanted to build a small DRSSTC in a few days without having prepared anything, most parts are reused or scrapped from things I have found and saved.   Safety WARNING!: Working with electricity is dangerous, all information found … Continue reading

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