EN 61881:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Railway applications - Rolling stock equipment - Capacitors for power electronics
01-02-2011
08-11-1999
1 General
1.1 Scope and object
1.2 Normative references
1.3 Definitions
1.4 Service conditions
2 Quality requirements and tests
2.1 Test requirements
2.2 Classification of tests
2.3 Capacitance and tan d measurements (routine
test)
2.4 Capacitor loss tangent (tan d) measurement
(type test)
2.5 Voltage test between terminals
2.6 AC voltage test between terminals and case
2.7 Test of internal discharge device
2.8 Sealing test
2.9 Surge discharge test
2.10 Thermal stability test
2.11 Self-healing test
2.12 Resonance frequency measurement
2.13 Environmental testing
2.14 Mechanical testing
2.15 Endurance test
2.16 Destruction test
2.17 Disconnecting test on fuses
3 Overloads
3.1 Maximum permissible voltage
4 Safety requirements
4.1 Discharge device
4.2 Case connections
4.3 Protection of the environment
4.4 Other safety requirements
5 Markings
5.1 Marking of the units
6 Guide to installation and operation
6.1 General
6.2 Choice of rated voltage
6.3 Operating temperature
6.4 Special service conditions
6.5 Overvoltages
6.6 Overload currents
6.7 Switching and protective devices
6.8 Choice of creepage distance and clearance
6.9 Connections
6.10 Parallel connections of capacitors
6.11 Series connections of capacitors
6.12 Magnetic losses and eddy currents
6.13 Guide for fuse and disconnector protection
Annex A (informative) Waveforms
Annex B (normative) Operational limits of capacitors with
sinusoidal voltages as a function of
frequency and at maximum temperature
(qmax)
Annex C (normative) Resonance frequency measuring methods
- Examples
Annex D (informative) Bibliography
Figure 1 - Destruction test arrangement
Figure 2 - N source d.c. plus a.c.
Figure 3 - N source d.c.
Figure A.1 - Example of current pulse width
Figure B.1 - Supply conditions
Figure C.1 - Measuring circuit
Figure C.2 - Relation between the voltage across the
capacitor and the supply frequency
Figure C.3 - Discharge current wave shape
Table 1 - Maximum temperature of cooling medium for unlimited
time
Table 2 - Test voltage between terminals
Table 3 - Damp heat test
Table 4 - Testing the robustness of terminals
Table 5 - Example of current-carrying capacities of screw
terminals and bolts
Table 6 - Endurance test
Table 7 - Maximum permissible voltage
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Specifies capacitors used below an operating frequency of 2500 Hz with a rated voltage limited to 10000 V. Distinguishes beween a.c. and d.c. capacitors
Committee |
CLC/TC 9X
|
DocumentType |
Standard
|
PublisherName |
European Committee for Standards - Electrical
|
Status |
Superseded
|
SupersededBy |
Standards | Relationship |
BS EN 61881:2000 | Identical |
IEC 61881:1999 | Identical |
SN EN 61881 : 1999 | Identical |
NF EN 61881 : 2000 | Identical |
UNE-EN 61881:1999 | Identical |
VDE 0115-430 : 2000 | Identical |
DIN EN 61881 : 2000 | Identical |
I.S. EN 61881:2000 | Identical |
NEN EN IEC 61881 : 1999 | Identical |
PN EN 61881 : 2002 | Identical |
CEI EN 61881 : 2000 | Identical |
NBN EN 61881 : 2000 | Identical |
PNE-EN 61881 | Identical |
EN 50207:2000 | Railway applications - Electronic power converters for rolling stock |
BS EN 50207:2001 | Railway applications. Electronic power converters for rolling stock |
13/30252783 DC : 0 | BS EN 50502 - RAILWAY APPLICATIONS - ROLLING STOCK - ELECTRIC EQUIPMENT IN TROLLEY BUSES - SAFETY REQUIREMENTS AND CONNECTION SYSTEMS |
PREN 50502 : DRAFT 2013 | RAILWAY APPLICATIONS - ROLLING STOCK - ELECTRIC EQUIPMENT IN TROLLEY BUSES - SAFETY REQUIREMENTS AND CONNECTION SYSTEMS |
IEC 61373:2010 | Railway applications - Rolling stock equipment - Shock and vibration tests |
IEC 60068-2-20:2008 | Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads |
IEC 60068-2-21:2006 | Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices |
IEC 60721-3-5:1997 | Classification of environmental conditions - Part 3: Classificationof groups of environmental parameters and their severities -Section 5: Ground vehicle installations |
IEC 60269-1:2006+AMD1:2009+AMD2:2014 CSV | Low-voltage fuses - Part 1: General requirements |
IEC 60068-2-3:1969 | Basic environmental testing procedures - Part 2-3: Tests - Test Ca: Damp heat, steady state |
IEC 60077-1:2017 | Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules |
IEC 60068-2-14:2009 | Environmental testing - Part 2-14: Tests - Test N: Change of temperature |
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