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hello,Hello, I design below circuit (first figure) for measuring unbalance in three phase system! but there is one problem that I can't understand! when input to bridge (V(N0-V(N)) is like second figure I have the waveformlike third figure in the output of bridge (V(1)-V(2))! It is half wave rather than full wave and also the amplitude is about 10 times to that of input (the probe in figure 3 is 10x) I think the waveform that I see in oscope is wrong. Do anyone know what is wrong!!?!
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February 26, 2017 |
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Sorry, can't see pics because edaboard requires login. Can you show them another way please? |
February 26, 2017 |
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Thanks for your attention.It has corrected. |
February 26, 2017 |
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How are the phase angles defined? |
February 26, 2017 |
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You may need to connect some point in your circuit to ground, the solver seems to need something to hold onto. |
February 26, 2017 |
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If that is a real scope then it will be grounded, you need to use both beams and subtract. |
February 26, 2017 |
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