copy of electrotehnica
TRANSCRIPT
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 1/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 2/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 3/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 4/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 5/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 6/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 7/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 8/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 9/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 10/11
5/13/2018 Copy of Electrotehnica - slidepdf.com
http://slidepdf.com/reader/full/copy-of-electrotehnica 11/11
Valoarea frecventei în sistemul electroenergetic
este determinata în principal de:
Valoarea intensitii câmpului electric produs de
o sarcin electric la distana r este:Valoarea medie a capacitii lineice pentru o lini
electric aerian trifazat este ......... fa de cea
a unui cablu subteran.Valoarea medie a inductanei de serviciu pentru
linie electric aerian trifazat este ......... fa de
cea a unui cablu subteran.Valoarea medie ptratic a unei mrimi periodice
se mai numete i: