General and Introduction

  • Hans Gumhalter


Most telecommunications systems operate from a d.c. supply voltage. This voltage has to meet specific requirements with regard to voltage tolerance and AF/RF ripple. The public a.c. mains voltage must be converted to d.c. by rectifiers which are equipped with electronic regulators. This enables the rectifiers to supply the necessary stabilized voltage independently of variations in a.c. mains voltage and frequency as well as of varying load demands. Built-in filters ensure that the d.c. voltage is smoothed to meet specifications.


Power Supply System Power Converter Diesel Generator Main Supply Uninterruptible Power Supply 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Hans Gumhalter
    • 1
  1. 1.Siemens AGMünchenGermany

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