All Questions
Tagged with current-sensing current-transformer
4 questions
1
vote
2
answers
94
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How to sample current in high-kHz to low-MHz [closed]
I am working on a project that, at its simplest, is a switching circuit (either a half-bridge or single switch) connected to a resonant filter. I need a way to measure/sample the current going from ...
- 41
2
votes
1
answer
542
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Current Transformer Current Sensing via operational-amplifier
This is a current sensing circuit, L1(CT2320) is a current transformer, U1 is generated by IGBT inverter ，U is one of a three phase of the motor driver voltage. I have several questions about this ...
- 21
3
votes
1
answer
215
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Current detector transformer on optocoupler
I need a current detector that outputs a logic signal (1 or 0). I DON'T need to measure current.
Detected current: AC.
Voltage: 220V.
Load power: ~1kW.
FOR EXAMPLE: I need a current detector that ...
- 33
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 ...
- 13