Railway-EMC-Standards prEN 50121-X
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15.09.2006 Uwe Rörden
Revision prEN 50121-X : 2006
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Overview EMC standards
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Current standard
Title
EN 50121-1 : 09.2000
Railway application – Electromagnetic compatibility;
Part 1: Generell
EN 50121-2 : 09.2000
Railway application – Electromagnetic compatibility;
Part 2: Emission of the whole railway system to the
outside world
EN 50121-3-1 : 09.2000
Railway application – Electromagnetic compatibility;
Part 3-1: Rolling stock – Train and complete vehicle
EN 50121-3-2 : 09.2000
Railway application – Electromagnetic compatibility;
Part Teil 3-2: Rolling stock – Apparatus
EN 50121-4 : 09.2000
Railway application – Electromagnetic compatibility;
Part 4: Emission and immunity of the singalling and
telecommunications apparatus
EN 50121-5 : 09.2000
Railway application – Electromagnetic compatibility;
Part 5: Emission and immunity of fixed power supply
installations and apparatus
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15.09.2006 Uwe Rörden
Revision prEN 50121-X : 2006
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prEN 50121-x : 02.2006
Reasons for revision ...
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¾ adaptation to technical progress
¾ e.g. expansion of frequency range
(WLAN, Bluetooth, ...)
¾ unification of measurement procedures
¾ e.g. reference to standards EN 61000-4-x
¾ elimination of mistakes / better understanding
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15.09.2006 Uwe Rörden
Revision prEN 50121-X : 2006
www.emc-test.de
Changes in prEN 50121-3-1
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EN 50121-3-1 : 2000
prEN 50121-3-1 : 2006
Radiated emission with special
measurement procedure in
standstill and slow moving
with PEAK-detector (MAXHold) /
1 antenna polarisation
Radiated emission with special
measurement procedure in
standstill with QP-detector /
MAX-Hold) and slow moving
with PEAK-detector / MAXHold /
2 antenna polarisations
Change of limit lines and
measurement procedure in
standstill operation !
Conducted and radiated
immunity not tested. EMC plan
for vehicle must be set up and
implemented.
No change in requirements !
Conducted and radiated
immunity not tested. EMC plan
for vehicle must be set up and
implemented.
Comment
2 antenna polarisations !
Higher expenditure of time !
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15.09.2006 Uwe Rörden
Revision prEN 50121-X : 2006
Changes in prEN 50121-3-2
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EN 50121-3-2 : 2000
prEN 50121-3-2 : 2006
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Comment
Radiated emission according
to EN 55011
Radiated emission according to
EN 55011
No change in requirements !
Conducted emission
according to EN 55011
Conducted emission according
to EN 55011
No change in requirements !
Radiated immunity according
to EN 61000-4-3
80-1000 MHz with 10/20 V/m
Radiated immunity according to
EN 61000-4-3
80-1000 MHz with 20/10 V/m
800-1000 MHz with 20 V/m
1400-2100 MHz with 10 V/m
2100-2500 MHz with 5 V/m
Change of test procedure for
900 MHz and expansion of
frequency range up to
2,5 GHz !
Additional test with higher
expenditure of time !
Conducted immunity
according to EN 61000-4-2/4/-6 and EN 50155 (SURGE /
voltage variations and dips)
Conducted immunity according
to EN 61000-4-2/-4/-5/-6
No test of voltage variations
and dips !
EN 61000-4-6 now with 10V !
Higher SURGE-test =>
damage of apparatus ?
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15.09.2006 Uwe Rörden
Revision prEN 50121-X : 2006
Changes in prEN 50121-4
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EN 50121-4 : 2000
Comment
Radiated emission according
to EN 50081-2
Radiated emission according to
EN 61000-6-4
No change in
requirements !
Conducted emission
according to EN 50081-2 and
EN 61000-3-x
Conducted emission according to
EN 61000-6-4 and EN 61000-3-x
No change in
requirements !
Radiated immunity according
to EN 61000-4-3
80-1000 MHz with 10V/m ;
and ENV 50204
900±5 MHz with 10 V/m
Radiated immunity according to
EN 61000-4-3
80-1000 MHz with 10V/m
800-1000 MHz with 20 V/m
1400-2100 MHz with 10 V/m
2100-2500 MHz with 5 V/m
Change of test procedure
for 900 MHz and
expansion of frequency
range up to
2,5 GHz !
Magnetic fields test according
to EN 61000-4-8 with 50Hz,
100 A/m
EN 61000-4-9 with 300 A/m
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prEN 50121-4 : 2006
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Conducted immunity
according to EN 61000-4-2/-4/5/-6
15.09.2006 Uwe Rörden
Magnetic fields test according to
EN 61000-4-8 with 0/16,7/50Hz,
100 A/m AC-system and 300 A/m
DC-system
EN 61000-4-9 with 300 A/m
Conducted immunity according to
EN 61000-4-2/-4/-5/-6/-12
Additional test with higher
expenditure of time !
No change in
requirements !
Revision prEN 50121-X : 2006
Changes in prEN 50121-5
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EN 50121-5 : 2000
prEN 50121-5 : 2006
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Comment
Radiated emission according
to EN 50081-2
Radiated emission according to
EN 61000-6-4
No change in
requirements !
Conducted emission
according to EN 50081-2 and
EN 61000-3-x
Conducted emission according to
EN 61000-6-4 and EN 61000-3-x
No change in
requirements !
Radiated immunity according
to EN 61000-4-3
80-1000 MHz with 10V/m ;
and ENV 50204
900±5 MHz with 10 V/m
Radiated immunity according to
EN 61000-4-3
80-1000 MHz with 10V/m
800-1000 MHz with 20 V/m
1400-2100 MHz with 10 V/m
2100-2500 MHz with 5 V/m
Change of test procedure
for 900 MHz and
expansion of frequency
range up to
2,5 GHz !
Magnetic fields test according
to EN 61000-4-8 with 50Hz,
100 A/m
Magnetic fields test according to
EN 61000-4-8 with 0/16,7/50Hz,
100 A/m
Conducted immunity
according to EN 61000-4-2/-4/5/-6/-12
Conducted immunity according to
EN 61000-4-2/-4/-5/-6/-12
+ EN 61000-6-4 on earth
connection
Additional test with higher
expenditure of time !
One additional test.
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15.09.2006 Uwe Rörden
Revision prEN 50121-X : 2006