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1 vote
0 answers
94 views

AC Current Sensing LED indicator circuit

I'm playing around with a circuit to drive a LED based on the output from a current sensing transformer. The idea is to have the LED appear proportionally brighter with the output from the current ...
CatalinM's user avatar
  • 389
3 votes
2 answers
977 views

Can a non-invasive AC current sensor measure DC current? [closed]

Can a non-invasive AC current sensor measure DC current? What is the theory behind it?
GYNB's user avatar
  • 41
1 vote
2 answers
196 views

AC phase current sensing using Isolated delta-sigma modulator

I am trying to design a isolated AC current sensor. I've chosen the AMC1106 Isolated Delta-Sigma Modulator. (change my mind if you think there is a better solution for 220V AC; 2A Max; 0.25%) The ...
JacobV's user avatar
  • 171
0 votes
2 answers
181 views

Real Time AC Current Sensing [closed]

I'm trying to analyse the harmonics present in different household devices's current waveforms. For this, I need a CT based current sensor which can sample data quite accurately and quickly (around 5% ...
Aditya Madhusudhan's user avatar
1 vote
2 answers
7k views

AC Current Sensing Switch Using Current Transformer

I'm struggling to design a circuit that will interpret signals from a SCT013 current transformer and trigger a constant 5v signal (which will go to a microcontroller) when a certain current threshold ...
Carter Payne's user avatar