Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Pad napona ?!
#18
(11-12-2017, 10:21 PM)samuki Wrote: Mjerio sam na praznom drugom slotu kada je jedna baterija na prvom slotu.

Samo cu koristiti dva slota.

Na tom drugom slotu ako nemaš zakačenu bateriju izmeričemo:

(+) nam je taj izlaz iz regulisanog napajanja (recimo da je to 1,8VDC)
(-) nam je kolektor koji ima napon oko
U_ce sat = 100mV ili
kolektor "floating" ...lebdi
i to sa pulziranjem 15Hz i duty cca D=0,5 ili cca 50%

Koliko če nam DMM izmeriti napon?
Imačemo (1,8VDC - Uce sat)*D =pokazače nam oko 0,9VDC i to je OK,
ne "obara nam taj napon", nego nam ga DMM tako prikaže!

Unošenjem predloga @Macole i @emiSar shemica sada izgleda ovako:




.tsc   BAT 1,5VDC Regenerator.TSC (Size: 3,53 MB / Downloads: 1)

Sa dva slota (ili sa više parova) je opterečenje UoutDC sada više konstantnije nego prije
u svakoj poluperiodi imamo sada puls po jednom slotu.
Emiterski otpornik je dodatni strujni limiter.

Svi BJTji mogu biti 2N2222 ili neki drugi signalni NPN 20V+, 100mA+, h_fe 100+ osim tog na UoutDC BD137/39...
LP
Dragan
Reply


Messages In This Thread
Pad napona ?! - by samuki - 11-12-2017, 07:24 PM
RE: Pad napona ?! - by Macola - 11-12-2017, 08:50 PM
RE: Pad napona ?! - by samuki - 11-12-2017, 08:55 PM
RE: Pad napona ?! - by Macola - 11-12-2017, 09:01 PM
RE: Pad napona ?! - by Dragan100 - 11-12-2017, 09:06 PM
RE: Pad napona ?! - by samuki - 11-12-2017, 09:31 PM
RE: Pad napona ?! - by samuki - 11-12-2017, 09:35 PM
RE: Pad napona ?! - by Dragan100 - 11-12-2017, 10:02 PM
RE: Pad napona ?! - by samuki - 11-12-2017, 10:21 PM
RE: Pad napona ?! - by Dragan100 - 11-14-2017, 11:41 AM
RE: Pad napona ?! - by emiSAr - 11-12-2017, 10:35 PM
RE: Pad napona ?! - by samuki - 11-12-2017, 10:50 PM
RE: Pad napona ?! - by branko tod - 11-12-2017, 10:46 PM
RE: Pad napona ?! - by emiSAr - 11-12-2017, 11:07 PM
RE: Pad napona ?! - by branko tod - 11-12-2017, 11:03 PM
RE: Pad napona ?! - by samuki - 11-12-2017, 11:04 PM
RE: Pad napona ?! - by branko tod - 11-12-2017, 11:18 PM
RE: Pad napona ?! - by branko tod - 11-14-2017, 10:45 AM
RE: Pad napona ?! - by samuki - 11-14-2017, 12:11 PM
RE: Pad napona ?! - by samuki - 11-17-2017, 10:30 PM
RE: Pad napona ?! - by emiSAr - 11-17-2017, 10:59 PM
RE: Pad napona ?! - by samuki - 11-17-2017, 11:08 PM
RE: Pad napona ?! - by emiSAr - 11-18-2017, 10:41 AM
RE: Pad napona ?! - by samuki - 11-18-2017, 11:12 AM
RE: Pad napona ?! - by emiSAr - 11-18-2017, 11:55 AM

Forum Jump:


Users browsing this thread: 1 Guest(s)