Multisim and Ultiboard

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non ideal battery

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When I insert a non-ideal-battery, I get zero volts despite the 12 volts setting.  I would appreciate advice on how to make it work as intended, meaning measuring 12 volts. Thank you.


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Accepted by topic author erielake


your battery is not a simple voltage source with a series resistance. It is defined as a subcircuit that contains several components. If you look into the generated netlist it states:


*NOTE: Due to initial charge on Cchrg (Capacitor), Default Instrument
* Settings must be set to User Defined in order for this part to
* simulate correctly.


You can go to the Interactive simulation settings and set the Initial Conditions to "User Defined". Then the voltmeter will show 12V as expected.

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