Immunity Requirements - Danfoss VLT AutomationDrive FC 300 Design Manual

Product Introduction

3.5.4 Immunity Requirements

The immunity requirements for adjustable frequency drives depend on the environment where they are installed. The
requirements for the industrial environment are higher than the requirements for the home and office environment. All
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Danfoss adjustable frequency drives comply with the requirements for both the industrial and the home/office environment.
To document immunity against electrical interference from electrical phenomena, the following immunity tests have been
made on a system consisting of an adjustable frequency drive (with options, if relevant), a shielded control cable and a
control box with potentiometer, motor cable, and motor.
The tests were performed in accordance with the following basic standards. For more details, see Table 3.17
•
EN 61000-4-2 (IEC 61000-4-2): Electrostatic discharges (ESD): Simulation of electrostatic discharges from human
beings.
•
EN 61000-4-3 (IEC 61000-4-3): Incoming electromagnetic field radiation, amplitude modulated simulation of the
effects of radar and radio communication equipment, as well as mobile communications equipment.
•
EN 61000-4-4 (IEC 61000-4-4): Electrical interference: Simulation of interference brought about by switching a
contactor, relay, or similar devices.
•
EN 61000-4-5 (IEC 61000-4-5): Surge transients: Simulation of transients brought about by lightning strikes near
installations.
•
EN 61000-4-6 (IEC 61000-4-6): RF Common mode: Simulation of the effect from radio-transmission equipment
joined by connection cables.
Basic standard
Acceptance criterion
Line
Motor
Brake
Load sharing
Control wires
Standard bus
Relay wires
Application and Serial
Communication options
LCP cable
External 24 V DC
Enclosure
Table 3.17 EMC Immunity Form, Voltage Range: 380–500 V, 525–600 V, 525–690 V
1)
Injection on cable shield
AD: Air Discharge; CD: Contact Discharge; CM: Common mode; DM: Differential mode
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Design Guide
Electrical Surge
interference IEC 61000-4-5
IEC 61000-4-4
B B
4 kV CM 2 kV/2 Ω DM
4 kV/12 Ω CM
4 kV CM 4 kV/2 Ω 1)
4 kV CM 4 kV/2 Ω
1)
4 kV/2 Ω
4 kV CM 1)
2 kV/2 Ω
2 kV CM 1)
2 kV CM 2 kV/2 Ω
1)
2 kV CM 2 kV/2 Ω
1)
2 kV/2 Ω
2 kV CM 1)
2 kV CM 2 kV/2 Ω
1)
2 V CM 0.5 kV/2 Ω DM
1 kV/12 Ω CM
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Danfoss A/S © Rev. 2014-02-10 All rights reserved.
ESD Radiated
IEC electromagnetic Field
61000-4-2 IEC 61000-4-3
B A
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8 kV AD 10 V/m
6 kV CD
RF common
mode voltage
IEC 61000-4-6
A
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
10 V
RMS
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MG34S222