PD IEC/TR 61000-3-6:2008
Current
The latest, up-to-date edition.
Electromagnetic compatibility (EMC) Limits. Assessment of emission limits for the connection of distorting installations to MV, HV and EHV power systems
Hardcopy , PDF
English
02-22-2008
INTRODUCTION
ACKNOWLEDGMENT
1 Scope
2 Normative references
3 Terms and definitions
4 Basic EMC concepts related to harmonic distortion
4.1 Compatibility levels
4.2 Planning levels
4.3 Illustration of EMC concepts
4.4 Emission levels
5 General principles
5.1 Stage 1: simplified evaluation of disturbance emission
5.2 Stage 2: emission limits relative to actual system
characteristics
5.3 Stage 3: acceptance of higher emission levels on a
conditional basis
5.4 Responsibilities
6 General guidelines for the assessment of emission levels
6.1 Point of evaluation
6.2 Definition of harmonic emission level
6.3 Assessment of harmonic emission levels
6.4 System harmonic impedance
7 General summation law
8 Emission limits for distorting installations connected
to MV systems
8.1 Stage 1: simplified evaluation of disturbance emission
8.2 Stage 2: emission limits relative to actual system
characteristics
8.3 Stage 3: acceptance of higher emission levels on a
conditional basis
8.4 Summary diagram of the evaluation procedure
9 Emission limits for distorting installations connected to
HV-EHV systems
9.1 Stage 1: simplified evaluation of disturbance emission
9.2 Stage 2: emission limits relative to actual system
characteristics
9.3 Stage 3: acceptance of higher emission levels on a
conditional basis
10 Interharmonics
Annex A (informative) - Envelope of the maximum
expected impedance
Annex B (informative) - Guidance for allocating planning
levels and emission levels at MV
Annex C (informative) - Example of calculation of global
MV+LV contribution
Annex D (informative) - Method for sharing planning
levels and allocating emission limits in meshed
HV - EHV systems
Annex E (informative) - List of symbols and subscripts
Bibliography
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