9 Electro-magnetic compatibility
MICROMASTER 430 Operating Instructions
6SE6400-5AC00-0BP0
95
9.1.5 Classification of EMC performance
Three General classes of EMC performance are available as detailed below:
Class 1: General Industrial
Compliance with the EMC Product Standard for Power Drive Systems EN 68100-3
for use in Second Environment (Industrial) and Restricted Distribution.
Table 9-1 General Industrial
(unfiltered inverters together with approved external mains filter)
EMC Phenomenon Standard Level
Emissions:
Radiated Emissions EN 55011 Limit A1
Conducted Emissions EN 55011 Limit A1
Immunity:
Electrostatic Discharge EN 61000-4-2 8 kV air discharge
Burst Interference EN 61000-4-4 2 kV power cables, 1 kV control
Radio Frequency Electromagnetic Field IEC 1000-4-3 26-1000 MHz, 10 V/m
Class 2: Filtered Industrial
This level of performance will allow the manufacturer/assembler to self-certify their
apparatus for compliance with the EMC directive for the industrial environment as
regards the EMC performance characteristics of the power drive system.
Performance limits are as specified in the Generic Industrial Emissions and
Immunity standards EN 50081-2 and EN 50082-2.
Table 9-2 Filtered Industrial
EMC Phenomenon Standard Level
Emissions:
Radiated Emissions EN 55011 Limit A1
Conducted Emissions EN 55011 Limit A1
Immunity:
Supply Voltage Distortion
IEC 1000-2-4
(1993)
Voltage Fluctuations, Dips, Unbalance,
Frequency Variations
IEC 1000-2-1
Magnetic Fields EN 61000-4-8 50 Hz, 30 A/m
Electrostatic Discharge EN 61000-4-2 8 kV air discharge
Burst Interference EN 61000-4-4 2 kV power cables, 2 kV control
Radio Frequency Electromagnetic
Field, amplitude modulated
ENV 50 140 80-1000 MHz, 10 V/m, 80% AM, power
and signal lines
Radio-frequency Electromagnetic Field,
pulse modulated
ENV 50 204 900 MHz, 10 V/m 50% duty cycle, 200 Hz
repetition rate
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