Re: [PSES] Capacitor Friday question

2020-01-18 Thread John Allen
[mailto:doug...@gmail.com] Sent: 18 January 2020 04:45 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Capacitor Friday question Thanks Ken, I had not realized anyone else on this forum had ever worked around vacuum tubes. Good to know. Yes, I've always understood capacitor formation

Re: [PSES] Capacitor Friday question

2020-01-17 Thread Doug Powell
  From: ibm...@gmail.comSent: January 17, 2020 8:32 PMTo: doug...@gmail.comCc: EMC-PSTC@listserv.ieee.orgSubject: Re: [PSES] Capacitor Friday question Hi Doug!Reforming capacitors is definitely a thing but it sounds like your skepticism comes from

Re: [PSES] Capacitor Friday question

2020-01-17 Thread IBM Ken
Hi Doug! Reforming capacitors is definitely a thing but it sounds like your skepticism comes from the allegation that capacitors can reform themselves in-circuit. I think this is also 'a thing', though probably not recommended in the way shown in the video (dumping full line voltage across the

[PSES] Capacitor Friday question

2020-01-17 Thread Doug Powell
This is somewhat off topic but still I feel it can be relevant to equipment reliability.My daughter found this article on Facebook and successfully got her sewing machine running again, after a fairly long period of storage. The link  has an interesting theory about old electrolytic capacitors