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How to Create a load profile

chadga

Hi,

I am using OrCAD pspice plus version 17.2, and am working on a design where i have to provide a load profile. 

Ex: My input source is 28V DC supply. initially my load will have some voltage across it. After 1 minute i want my load to draw only 5V and later after 3 minutes it should draw 10V. 

Is there any way where i can provide a profile in this manner. 

Kindly help me on this issue.

Regards,

Chadga 

  • oldmouldy

    You can't "draw" a voltage, you could draw a load current which results in a voltage. Maybe some more details are required to answer this?

  • chadga
    in reply to oldmouldy

    Hi Mouldy,

    Yes i want to draw current. How can it be done. 

  • oldmouldy
    in reply to chadga

    You could add an IPWL across the load, for example, takes T (time) and I (current) value pairs in the properties, which should be sufficient in this case. Note that the + terminal is the source and the - terminal is the sink for the current through the part.

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