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Yeah, something in range of 10-300 mA
Due to construction limitations, it is not possible to increase primary windings.
And increasing burden resistor value doesn't help: insufficiently magnetized core has very poor current transfer performance :(
Hi I want to measure precise number of leakage current in 3-phase trace heating system.
The problem I faced is that typical current transformer gives a very high error at small currents. I found some solution either to use larger core or to apply some active compensation to pre-magnetize core...
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