Title :
Increased surge voltages caused by EMC chokes
Author :
Maytum, M.J. ; Howard, K.
Author_Institution :
Power Innovations Ltd., Texas Instrum. Ltd., Bedford, UK
Abstract :
Bi-winding EMC chokes used in telephone equipment increase the peak wire voltages on fast rising surges. Two, choke actions cause this. Choke saturation suddenly releases extra surge energy to the equipment. In the differential mode the chokes transformer action creates larger inter-wire voltages. The paper quantifies this previously unreported affect
Keywords :
electromagnetic compatibility; inductors; overvoltage; surges; telephone equipment; biwinding EMC chokes; choke saturation; differential mode; fast rising surges; interwire voltages; peak wire voltages; surge energy; surge voltages; telephone equipment; transformer action; Electromagnetic compatibility;
Conference_Titel :
Electromagnetic Compatibility Proceedings, 1997 International Symposium on
Conference_Location :
Beijing
Print_ISBN :
0-7803-3608-9
DOI :
10.1109/ELMAGC.1997.617204
