PD IEC/TR 60725:2012
Current
The latest, up-to-date edition.
Consideration of reference impedances and public supply network impedances for use in determining disturbance characteristics of electrical equipment having a rated current ≤ 75 A per phase
Hardcopy , PDF
English
27-06-2012
Important note : Users cannot be edited or removed once added to your Multi user PDF.
FOREWORD
1 Scope
2 Normative references
3 Systems of low-voltage supply
4 Supply impedances
5 Reference impedances
6 Impedance at frequencies above the supply frequency
Annex A (informative) - Methods for determining the
maximum modulus values of public electricity
supply low-voltage network impedances relevant
to three-phase services of more than 100 A per
phase at 50 Hz
Annex B (informative) - Methods for determining the
maximum modulus values of public electricity
supply low-voltage network impedances relevant
to three-phase services of more than 100 A per
phase at 60 Hz
Annex C (informative) - Measurement of supply impedance
and survey method
Bibliography
Provides 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.
| Committee |
GEL/210
|
| DevelopmentNote |
Supersedes 02/204746 DC. (02/2006)
|
| DocumentType |
Standard
|
| Pages |
33
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This 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.
| Standards | Relationship |
| IEC TR 60725:2012 | Identical |
| IEC 61000-3-12:2011 | Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤ 75 A per phase |
| IEC 61000-3-3:2013 RLV | Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤ 16 A per phase and not subject to conditional connection |
| IEC 61000-4-34:2005+AMD1:2009 CSV | Electromagnetic compatibility (EMC) - Part 4-34: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with mains current more than 16 A per phase |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.