-1
\$\begingroup\$

Can a super/ultra capacitor be charged from an AC outlet?

\$\endgroup\$
  • 2
    \$\begingroup\$ You can't charge a capacitor with AC. \$\endgroup\$ – Peter Bennett Nov 23 '15 at 17:07
  • \$\begingroup\$ You only need to plug some device between those two \$\endgroup\$ – PlasmaHH Nov 23 '15 at 17:25
2
\$\begingroup\$

No you cannot. You need a circuit in between to assure a proper loading. Normally, a DC current source may work. Otherwise, without current limitation, you may risk to destroy the supercap.

\$\endgroup\$
  • \$\begingroup\$ Also you need to limit the voltage on the caps as it rises during the charging process. \$\endgroup\$ – Autistic Nov 23 '15 at 21:14

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.