IEC TR 61000-3-7 : 2.0

FOREWORD
INTRODUCTION
ACKNOWLEDGMENT
1 Scope
2 Normative references
3 Terms and definitions
4 Basic EMC concepts related to voltage fluctuations
   4.1 Compatibility levels
   4.2 Planning levels
        4.2.1 Indicative values of planning levels
        4.2.2 Assessment procedure for evaluation against
              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 flicker emission level
   6.3 Assessment of flicker emission levels
   6.4 Declared system short circuit power or impedance
        6.4.1 Short-circuit power or impedance for
              pre-connection assessment of emission
              levels
        6.4.2 Short-circuit power or impedance for assessing
              actual emission levels
   6.5 General guidelines for assessing the declared system
        impedance
7 General summation law
8 Emission limits for fluctuating 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
        8.2.1 Global emission to be shared between the
              customers
        8.2.2 Individual emission limits
   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 fluctuating installations connected
   to HV or EHV systems
   9.1 Stage 1: simplified evaluation of disturbance emission
   9.2 Stage 2: emission limits relative to actual system
        characteristics
        9.2.1 Assessment of the total available power
        9.2.2 Individual emission limits
   9.3 Stage 3: acceptance of higher emission levels on
        a conditional basis
10 Rapid voltage changes
   10.1 General considerations
   10.2 Compatibility level
   10.3 Planning levels
   10.4 Emission limits
   10.5 Assessment procedure for evaluation against
        planning levels & emission limits
Annex A (informative) P[st] = 1 curves and numerical data
        for 230 V and 120 V applications
Annex B (informative) Guidelines on the assessment of
        flicker transfer coefficient
Annex C (informative) Example of reallocation of global
        contributions and planning levels considering
        transfer coefficients
Annex D (informative) The use of the severity indicators
        A[st] and A[lt] to simplify calculations
Annex E (informative) Pre-connection and post-connection
        assessment of emission for P[st]
Annex F (informative) Addition of P[st] from different
        busbars
Annex G (informative) Examples of case studies
Annex H (informative) List of symbols and subscripts
Bibliography

Gives guidance on principles which can be used as the basis for determining the requirements for the connection of fluctuating installations to MV, HV and EHV public power systems (LV installations are covered in other IEC documents).