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Publication details

Publication CODE Title
IEC TR 60725:2012 (2012-06) CONSIDERATION OF REFERENCE IMPEDANCES AND PUBLIC SUPPLY NETWORK IMPEDANCES FOR USE in DETERMINING THE DISTURBANCE CHARACTERISTICS OF ELECTRICAL EQUIPMENT HAVING A RATED CURRENT '75 A PER PHASE
 
Price Excl. VAT Total number of pages, tables and drawings
201.00 € 42 P..
Description
IEC/TR 60725:2012, which is a technical report, records the information that was available and the factors that were taken into account in arriving at the reference impedances that were incorporated in IEC 60555 and which are now incorporated in some parts of IEC 61000-3. In addition, information is given on the impedances of public supply networks associated with service current capacities '100 A per phase. The third edition includes brings two mainly significant technical changes with respect to the previous edition:
- a new survey and other data from countries with public supply networks operating at 60 Hz have been included; and
- recommendations that were applicable to 50 Hz systems are now mirrored by new recommendations that are relevant to 60 Hz systems.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN/FR version

Status
Status TECHNICAL REPORT
Situation Currently active
Replaces  IEC TR 60725:2005
Origin
Committee TC 77/SC 77A
LOW FREQUENCY PHENOMENA (EMC)
Responsible Ir DELENS Marc
Approval
BEC Approval 2012-06-27
Registration 127465
ICS-Code (International Standards Classification) 33.100.01
NBN Status New
IEC publication date 2012-06-27
IEC stability date 2021-12-31
IEC last modification date 2019-11-19