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Re: Transformer primary voltage entry won't stay put on Mac version


 

I'm going through medical treatments for the next 30 days at a hospital and only have my Mac laptop with me to run PSUD2. Looking for help from anyone who can run my PS design on their PC so I can have an idea for a range of dropping resistor values I'll need to purchase for experimentation and dialing things in to reach my B+ voltages.
I've attached my .psu file for Mac which will have most of the values set but you will need to enter a few of the values for the transformer which I'll list here:

Primary voltage 120, primary measured winding dc resistance = 10 ohms
Secondary nominal voltage (one side) from manufacturer = 330 volts
Secondary measured off-load voltage = 340 volts
Secondary measured winding dc resistance (one side) = 100 ohms

Desired B+ voltage values at current taps: B1 245, B2 265, B3 280?
Resistor values entered at R1, R2 and R3 (2.8K) gave me correct B+ voltages for all three B+ when running the simulator on my PC but are way off when running through the Mac version.

Thanks everyone,
Allen


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