Here is my circuit


Here is output of measurements:


I cannot understand why there is no current in negative direction. Current keeps flowing in positive direction when there is negative voltage.

  • \$\begingroup\$ Because you have grounded it...? \$\endgroup\$
    – KristoferA
    Commented Oct 16, 2023 at 14:56
  • 1
    \$\begingroup\$ You have a current flowing during the negative half-period. And the current is positive because of the way (the direction) you have connected the "green" ammeter. \$\endgroup\$
    – G36
    Commented Oct 16, 2023 at 14:56
  • \$\begingroup\$ Do you mean no current flowing in negative direction or no current in negative direction of the voltage ? \$\endgroup\$
    – MiNiMe
    Commented Oct 16, 2023 at 15:01

1 Answer 1


You have set both of your current probes to align with the diodes, rather than pointing to gnd. As a result both currents appear to be positive.

If you change PR1 to point towards gnd, you will get the behaviour you are expecting.


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