SN EN 61000-3-3 : 1995 AMD 2 2005

Committees responsible
National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
   3.1 R.M.S. voltage shape, U(t)
   3.2 Voltage change characteristic, delta U(t)
   3.3 Maximum voltage change, delta U max
   3.4 Steady-state voltage change, delta U c
   3.5 Voltage fluctuation
   3.6 Flicker
   3.7 Short-term flicker indicator, P[st]
   3.8 Long-term flicker indicator, P[lt]
   3.9 Flickermeter
   3.10 Flicker impression time, tf
4 Assessment of voltage fluctuations and flicker
   4.1 Assessment of a relative voltage change, "d"
   4.2 Assessment of the short-term flicker value, P[st]
       4.2.1 Flickermeter
       4.2.2 Simulation method
       4.2.3 Analytical method
             4.2.3.1 Description of the analytical
                     method
             4.2.3.2 Shape factor
       4.2.4 Use of Pst = 1 curve
   4.3 Assessment of long-term flicker value, P[lt]
5 Limits
6 Test conditions
   6.1 General
   6.2 Measurement accuracy
   6.3 Test supply voltage
   6.4 Reference impedance
   6.5 Observation period
   6.6 General test conditions
Annex
A Application of limits and type test conditions for
   specific equipment
ZA (normative) Other international publications
   quoted in this standard with the reference of the
   relevant European publications