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I noticed that when testing hipot in DC I always get leakage current, but not during AC hipot testing. Do you have any ideas about this? My hipot tester is Quadtech Sentry 500VA. I’m testing a dielectric made of PEEK and alumina.

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    \$\begingroup\$ Strange. I have had the opposite happen to me. Can you share a schematic or block diagram? \$\endgroup\$
    – winny
    Aug 5 at 18:03
  • \$\begingroup\$ What is your equipment and what do you test? \$\endgroup\$
    – Jens
    Aug 5 at 20:19
  • \$\begingroup\$ My hipot tester is Quadtech Sentry 500VA. I am testing a dielectric made of PEEK and alumina. \$\endgroup\$
    – Ybx Nop
    Aug 8 at 19:30
  • \$\begingroup\$ Oh, PEEK, my favorite plastic. Interesting. Any dielectric properties would not change much between DC and 50 Hz. Do you have no active parts at all? \$\endgroup\$
    – winny
    Aug 8 at 20:06
  • \$\begingroup\$ @YbxNop Can you ask a specific question? \$\endgroup\$
    – Voltage Spike
    Aug 8 at 21:09

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