proteus simulation analog bms

crutschow

Joined Mar 14, 2008
38,512
Some simulators require a ground connection before they'll work. Seems silly, but it is what it is...
I believe all simulators do.
Why does that seem "silly"?
How else would the simulator know what to reference the voltages to (and all voltages are always relative).
Without that, what would you expect to read if you looked at an arbitrary node voltage?
What would a voltmeter read if only one probe was connected?
 
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ericgibbs

Joined Jan 29, 2010
21,442
either fault condition triggers the relay driver transistor Q2 (BC547), which pulls in relay RL2 to disconnect the load.
hi @ji___ha

This is your circuit in LTSpice.
I have used resistors to represent the LED and Battery?
Please check it for accuracy comparing with your circuit diagram.

There are a number of points on your design that require modification.
E
EG 2061.gif
 
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kaindub

Joined Oct 28, 2019
179
i took multiple days to do this fr. I am a beginner, this like my first time using proteus and also first time creating a fully analog circuit , so i am not very good at it. I can't figure out how to do it, i have been doing it for days now i still can't figure out.
If you can’t use proteus, then just go back to old school pencil and paper. As others have said the schematic as you presented it is difficult to follow - even for the experts here.
 
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