dc protection and delay circuit

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Jump to Latest
gev

gev

Member
Joined 2005
320volt.com
Hi,

DC protection (0.8v sens) and delay (max 2 second set) 70ma current consumption (varies according to the relay)

Desing: Ahmed YERLİ

http://www.youtube.com/watch?v=Whxr-lPd1DM

attachment.php


http://320volt.com/gecikmeli-ve-led-ikazli-hoparlor-dc-koruma-devresi/


RS resistor high-voltage limitation 7812 regulator

sample 34v input;
Rs = (34-17) / 0.07 WRs = (34-17) x 0.07
Rs = 243 ohm WRs = 1.2W
 

Attachments

  • a1.png
    a1.png
    53.3 KB · Views: 156
  • a3.png
    a3.png
    42.2 KB · Views: 149
  • a5.jpg
    a5.jpg
    135.3 KB · Views: 145
  • a6.jpg
    a6.jpg
    109.1 KB · Views: 157
  • a7.jpg
    a7.jpg
    47 KB · Views: 223
  • v1.zip
    169.1 KB · Views: 62
Last edited:
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Top Bottom