MG.20.B6.02 – VLT is a registered Danfoss trademark
91
VLT
®
2000 Series
Section 1 Section 2 Section 3
Special conditions
Acceptance criterion B B A B A - A
Port connection CM DM CM CM - - DM CM
Line OK OK OK - - - OK OK
Motor OK - - ----OK
Control lines OK - OK OK - - - OK
Enclosure - - - - OK OK - -
IEC 1000-4-4 (IEC 801-4):
Burst transients
Simulation of interference brought about by coupling
with a contactor, relays or similiar devices.
IEC 1000-4-5 (IEC 801-5):
Surge transients
Simulation of transients brought about e.g. by light-
ning that strikes near installations.
ENV 50141 (IEC 801-6):
Cable conducted HF
Simulation of the effect of radio transmission
equipment coupled to connection cables.
VDE 0160 class W2 testpulse
(draft Oct./1990 yellow):
Mains transients
Simulation of high-energy transients brought about by
main fuse breakage, coupling with phase
compensation batteries etc.
Immunity
In order to document immunity towards interference
from electrical phenomena that are coupled in, the
following immunity test has been made on a system
consisting of a VLT
frequency converter (with RFI fil-
ter module),
VLT 2010-2030 1/3x208-240 V, VLT 2040-2050 , 3x208-240 V,
VLT
2020-2060 380-460 V
Basic specification:
Basis standard
RF common
mode voltage
ENV 50141
Mains dis-
tortion
VDE 0160
Radiated elec-
tromagn. field
IEC 1000-4-3
ESD
IEC 1000-4-2
Mains freq.
test
SEN 361503
Surge
IEC 1000-4-5
Burst
IEC 1000-4-4
Line 2kV/5kHz/DCN 1kV/2ohm 2kV/12ohm - - - **2,3 x Û
N
10V rms
Motor 2kV/5kHz/CCC - - - - - - 10V rms
Control lines 2kV/5kHz/CCC - 250V/50Hz - - - 10V rms
Enclosure - - - 10V/m - -
2kV/
2ohm*
8 kV AD
6 kV CD
Acceptance criteria according to: IEC 22G/31/FDIS, EN 50082-2, 175R0740
AD: Air Discharge
CD: Contact Discharge
* Injection on cable shield
** 2,3 x Û
N
: max. testpulse 1250 V
PEAK
a screened control cable and control box with poten-
tiometer, motor cable and motor.
Fault criteria and test were in accordance with
EN 50082-2 and IEC 22G/31/FDIS.
The tests were made using the following standards:
IEC 1000-4-2 (IEC 801-2/1991):
Electrostatic discharges (ESD)
Simulation of electrostatic discharges from human
beings.
IEC 1000-4-3 (IEC 801-3):
Incoming electromagenetic field radiation
Simulation of the effects of radar and radio
communication equipment as well as mobile
communication equipment.
SEN 361503
Mains disturbance
Simulation of conducted capacitive interference
between control cables and adjacent mains cable.
DM: Differential mode
CM: Common mode
CCC: Capacitive clamp coupling
DCN: Direct coupling network
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