пет авг 18, 2023 10:47 pmhidrazin написа: 1-во - Айде първо бегай да си изясниш какво означава защита от индиректен контакт.Direct contact:
Contact with an active conductor, i.e. which is live with respect to the earth in normal circumstances.
Indirect contact:
Contact with a conductive part of an apparatus which is normally dead and earthed, but which has become live due to an internal insulation failure.
>Touching the part with hand would cause a current to pass through the hand and both feet of the exposed person.
>The value of the current passing through the human body depends on:
>The level of the touch voltage generated by the fault current injected in the earth electrode
>The resistance of the human body
>The value of additional resistances like shoes.

ГолЕм цирк!

Явно преводача, дето ползваш не струва.

Трябва ти добър технически речник!


