Month: April 2017

Teardown

Kone elevator 45 kW motor drive teardown

Mads Barnkobby Mads Barnkob2

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. …

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Tesla Coils

Kaizer DRSSTC IV – A High Impedance Primary Circuit Experiment

Mads Barnkobby Mads Barnkob0

A new article has been added that describes the thoughts, design, construction and test of a very high impedance primary circuit QCW DRSSTC, where the voltage ramp is coming straight from half wave rectified mains supply and a mains synced …

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