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eLibrary > BS EN IEC 55025:2022 Vehicles, boats and internal combustion engines. Radio disturbance characteristics. Limits and methods of measurement for the protection of on-board receivers >

BS EN IEC 55025:2022 Vehicles, boats and internal combustion engines. Radio disturbance characteristics. Limits and methods of measurement for the protection of on-board receivers, 2022

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BS EN IEC 55025:2022 Vehicles, boats and internal combustion engines. Radio disturbance characteristics. Limits and methods of measurement for the protection of on-board receivers, 2022

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Annex ZA (normative)Normative references to international publicationswith their corresponding European publications [Go to Page]
English [Go to Page]
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements common to vehicle and component/module emissions measurement [Go to Page]
4.1 General test requirements [Go to Page]
4.1.1 Categories of disturbance sources (as defined in the test plan)
4.1.2 Test plan
4.1.3 Determination of conformance of equipment under test (EUT) with limits
4.1.4 Operating conditions
Figures [Go to Page]
Figure 1 – Method of determination of conformance for all frequency bands [Go to Page]
4.1.5 Test report
4.2 Shielded enclosure
4.3 Absorber-lined shielded enclosure (ALSE) [Go to Page]
4.3.1 General
4.3.2 Size
4.3.3 Objects in ALSE
4.3.4 ALSE performance validation
4.4 Measuring instrument [Go to Page]
4.4.1 General
4.4.2 Spectrum analyser parameters
Tables [Go to Page]
Table 1 – Spectrum analyser parameters [Go to Page]
4.4.3 Scanning receiver parameters
Table 2 – Scanning receiver parameters
4.5 Power supply [Go to Page]
4.5.1 General
4.5.2 Internal combustion engine vehicle – ignition on, engine off
4.5.3 Internal combustion engine vehicle – engine running
4.5.4 Plug-in hybrid electric or electric vehicle in charging mode
4.5.5 Hybrid electric or electric vehicle in running mode
4.5.6 Component/module tests
5 Measurement of emissions received by an antenna on the same vehicle [Go to Page]
5.1 General
5.2 Antenna measuring system [Go to Page]
5.2.1 Type of antenna
5.2.2 Measuring system requirements
Table 3 – Antenna types
Figure 2 – Example of gain curve
5.3 Method of measurement
5.4 Test setup for vehicle in charging mode [Go to Page]
5.4.1 General
Figure 3 – Example of test setup – Vehicle-radiated emissions(front view with monopole antenna) [Go to Page]
5.4.2 Vehicle in charging mode 1 or mode 2 (AC power charging without communication)
Figure 4 – Example of test setup for vehicle with the inlet located on vehicle side (charging mode 1 or 2, AC powered, without communication) [Go to Page]
5.4.3 Vehicle in charging mode 3 (AC power charging with communication) or mode 4 (DC power charging with communication)
Figure 5 – Example of test setup for vehicle with the inlet located front / rear of vehicle(charging mode 1 or 2, AC powered, without communication
Figure 6 – Example of test setup for vehicle with the inlet located on vehicle side (charging mode 3 or mode 4, with communication)
Figure 7 – Example of test setup for vehicle with the inlet located front /rear of vehicle (charging mode 3 or mode 4, with communication)
5.5 Examples of limits for vehicle radiated disturbances
Table 4 – Example for limits of disturbance – Complete vehicle – General
Table 5 – Example for limits of disturbance – Complete vehicle – Digital mobile phone
Figure 8 – Details of average limits for GPS, BDS,B1l and GLONASS bands –Complete vehicle
6 Measurement of components and modules [Go to Page]
6.1 General
6.2 Test equipment [Go to Page]
6.2.1 Reference ground plane
6.2.2 Power supply and AN
6.2.3 Load simulator
6.3 Conducted emissions from components/modules – Voltage method [Go to Page]
6.3.1 General
6.3.2 Test setup
6.3.3 Test procedure
Figure 9 – Conducted emissions – Example of test setupfor EUT with power return line remotely grounded
Figure 10 – Conducted emissions – Example of test setup for EUTwith power return line locally grounded
Figure 11 – Conducted emissions – Example of test setupfor alternators and generators
Figure 12 – Conducted emissions – Example of test setupfor ignition system components [Go to Page]
6.3.4 Limits for conducted disturbances from components/modules – Voltage method
6.4 Conducted emissions from components/modules – current probe method [Go to Page]
6.4.1 General
6.4.2 Test setup
Table 6 – Examples of limits for conducted disturbances –Voltage method [Go to Page]
6.4.3 Test procedure
Figure 13 – Conducted emissions – Example of test setup for current probe measurements [Go to Page]
6.4.4 Limits for conducted disturbances from components/modules – Current probe method
6.5 Radiated emissions from components/modules – ALSE method [Go to Page]
6.5.1 General
Table 7 – Examples of limits for conducted disturbances – Current probe method [Go to Page]
6.5.2 Test setup
Figure 14 – Test harness bending requirements [Go to Page]
6.5.3 Test procedure
Figure 15 – Example of test setup – rod antenna
Figure 16 – Example of test setup – biconical antenna
Figure 17 – Example of test setup – log-periodic antenna
Figure 18 – Example of test setup – above 1 GHz – Horn antenna [Go to Page]
6.5.4 Limits for radiated disturbances from components/modules – ALSE method
Table 8 – Examples of limits for radiated disturbances – ALSE method – General
Table 9 – Examples of limits for radiated disturbances –ALSE method – Digital mobile phone
6.6 Radiated emissions from components/modules – Stripline method
Figure 19 – Details of average limit for GPS, BDS, B1l and GLONASS bands – Components
Annexes [Go to Page]
Annex A (informative)Flow chart for checking the applicability ofCISPR 25 to vehicles and boats
Figure A.1 – Flow chart for checking the applicability of this document
Annex B (normative)Antenna matching unit – Vehicle test [Go to Page]
B.1 Antenna matching unit parameters (150 kHz to 6,2 MHz)
B.2 Antenna matching unit – verification [Go to Page]
B.2.1 General
B.2.2 Gain measurement
B.2.3 Test procedure
B.3 Impedance measurement
Figure B.1 – Verification setup
Annex C (informative)Sheath-current suppressor [Go to Page]
C.1 General information
C.2 Suppressor construction
Figure C.1 – Characteristic S21 of the sheath-current suppressor
Annex D (informative)Guidance for the determination of the noise floorof active vehicle antennas
Figure D.1 – Example of vehicle test setup for equipment noise
Figure D.2 – Example of vehicle test setup for antenna noise measurement
Annex E (normative)Artificial Network (AN), High Voltage Artificial Network (HV-AN), Direct Current charging Artificial Network (DC-charging-AN), Artificial Mains Network (AMN) and Asymmetric Artificial Network (AAN) [Go to Page]
E.1 General
E.2 Artificial networks (AN) [Go to Page]
E.2.1 Component powered by LV
Figure E.1 – Example of 5 µH AN schematic
Figure E.2 – Characteristics of the AN impedance ZPB [Go to Page]
[Go to Page]
E.2.2 Component powered by HV
Table E.1 – Magnitude of the AN impedance ZPB
Figure E.3 – Example of 5 µH HV-AN schematic
Figure E.4 – Example of 5 µH HV-AN combination in a single shielded box [Go to Page]
[Go to Page]
E.2.3 Direct Current charging Artificial Networks (DC-charging-AN)
Figure E.5 – Impedance matching network attached between HV-ANs and EUT [Go to Page]
E.3 Artificial Mains Networks (AMN)
E.4 Asymmetric Artificial Network (AAN) [Go to Page]
E.4.1 General
E.4.2 Signal/control port with symmetric lines
Figure E.6 – Example of 5 μH DC-charging-AN schematic [Go to Page]
[Go to Page]
E.4.3 Wired network port with PLC on power lines
Figure E.7 – Example of an AAN for signal/control port with symmetric lines (e.g. CAN) [Go to Page]
[Go to Page]
E.4.4 Signal/control port with PLC (technology) on control pilot line
Figure E.8 – Example of AAN with wired network port with PLC on AC or DC power lines [Go to Page]
[Go to Page]
E.4.5 Signal/control port with control pilot line
Figure E.9 – Example of AAN circuit for signal/control port with PLC on control pilot
Figure E.10 – Example of AAN circuit for pilot line
Annex F (informative)Radiated emissions from components/modules –Stripline method [Go to Page]
F.1 General
F.2 Test setup [Go to Page]
F.2.1 General
F.2.2 Stripline impedance matching
F.2.3 Location of the EUT
F.2.4 Location and length of the test harness
F.2.5 Location of the load simulator
F.3 Test procedure
Figure F.1 – Example of a basic stripline test setup in a shielded enclosure [Go to Page]
F.4 Limits for radiated emissions from components/modules – Stripline method
Table F.1 – Examples of limits for radiated disturbances –Stripline method [Go to Page]
F.5 Stripline design
Figure F.2 – Example for a 50 Ω stripline
Figure F.3 – Example for a 90 Ω stripline
Annex G (informative)Interference to mobile radio communicationin the presence of impulsive noise – Methods of judging degradation [Go to Page]
G.1 General
G.2 Survey of methods of judging degradation to radio channel [Go to Page]
G.2.1 General
G.2.2 Subjective tests
G.2.3 Objective tests
G.2.4 Conclusions relating to judgement of degradation
Annex H (normative)Test methods for power supply systemsfor high voltages in electric and hybrid vehicles [Go to Page]
H.1 General
H.2 Test equipment [Go to Page]
H.2.1 Reference ground plane
H.2.2 Power supply, AN, HV-AN, AMN and AAN
H.2.3 Load simulator
H.3 Conducted emission from components/modules on HV power lines – Voltage method [Go to Page]
H.3.1 General
H.3.2 Test setup
Figure H.1 – Conducted emission – example for test setupfor EUTs with shielded power supply systems
Figure H.2 – Conducted emission – example of test setup for EUTs with shielded power supply systems with electric motor attached to the bench
Figure H.3 – Conducted emission – Example of test setupfor EUTs with shielded power supply systems and inverter
Figure H.4 – Conducted emission – Example of test setup for EUTswith shielded power supply systems and charger device [Go to Page]
[Go to Page]
H.3.3 Limits for conducted emission – Voltage method
Table H.1 – Example for HV limits for conducted voltage measurementsat shielded power supply devices (HV-LV coupling attenuation class A1) [Go to Page]
H.4 Conducted emission from components/modules on HV power lines – current probe method [Go to Page]
H.4.1 General
H.4.2 Test setup
Figure H.5 – Conducted emission – Example of test setup current probe measurementon HV lines for EUTs with shielded power supply systems
Figure H.6 – Conducted emission – Example of test setup current probe measurement on HV lines for EUTs with shielded power supply systems with electric motor attached to the bench
Figure H.7 – Conducted emission – Example of test setup current probe measurement on HV lines for EUTs with shielded power supply systems and inverter
Figure H.8 – Conducted emission – Example of test setup current probe measurement on HV lines for EUTs with shielded power supply systems and charger device [Go to Page]
[Go to Page]
H.4.3 Limits for conducted emission – current probe method
H.5 Radiated emissions from components/modules – ALSE method [Go to Page]
H.5.1 General
H.5.2 Test setup
Figure H.9 – Radiated emission – Example of test setup measurement with biconical antenna for EUTs with shielded power supply systems and with LV lines facing the antenna
Figure H.10 – Radiated emission – Example of test setup measurementwith biconical antenna for EUTs with shielded power supply systems with electric motor attached to the bench and with LV lines facing the antenna
Figure H.11 – Radiated emission – Example of test setup measurement with biconical antenna for EUTs with shielded power supply systems and inverter and with LV lines facing the antenna
Figure H.12 – Radiated emission – Example of test setup measurement with biconical antenna for EUTs with shielded power supply systems and charger device and with LV lines facing the antenna [Go to Page]
[Go to Page]
H.5.3 Limits for radiated emissions – ALSE method
H.6 Coupling between HV and LV systems [Go to Page]
H.6.1 General
H.6.2 Measurement based on test setups defined in Clause 6
Figure H.13 – Test setup for calibration of the test signal
Figure H.14 – Example of test setup for conducted emissions – voltage method – measurement on LV ports with injection on HV supply ports
Figure H.15 – Example of test setup for conducted emissions – current probe method – measurement on LV ports with injection on HV supply ports
Figure H.16 – Example of test setup for radiated emissions – ALSE method – measurement with biconical antenna with injection on HV supply ports [Go to Page]
[Go to Page]
H.6.3 Measurement of the HV-LV coupling attenuation
Figure H.17 – Test setup for EUT S21 measurements
Table H.2 – Example of configurations for equipment without negative LV line
Table H.3 – Example of configurations for equipment with negative LV line
Figure H.18 – Examples of requirements for coupling attenuation, ac
Table H.4 – Examples of requirements for minimum coupling attenuation, ac
Annex I (Informative)ALSE performance validation 150 kHz to 1 GHz [Go to Page]
I.1 General
Figure I.1 – Examples of typical ALSE influence parametersover the 10 MHz to 100 MHz frequency range [Go to Page]
I.2 Validation method [Go to Page]
I.2.1 Overview
I.2.2 Equipment
Figure I.2 – Visual representation of ALSE performance validation process
Figure I.3 – Metallic sheet angles used as support for the rod
Figure I.4 – Radiator side view 50 Ω terminations
Figure I.5 – Photo of the radiator mounted on the ground reference plane [Go to Page]
[Go to Page]
I.2.3 Procedure
Figure I.6 – Example VSWR measured from four radiation sources(without 10 dB attenuator)
Figure I.7 – Example setup for ALSE equivalent field strength measurement (rod antenna shown for the frequency range from 150 kHz to 30 MHz)
Figure I.8 – MoM-Model for the frequency range 30 MHz to 200 MHz
Table I.1 – Reference data to be used for chamber validation [Go to Page]
[Go to Page]
I.2.4 Requirements
Annex J (informative)Measurement instrumentation uncertainty –measurement of emissions received by an antenna on the same vehicle [Go to Page]
J.1 General
J.2 Uncertainty sources
Figure J.1 – Sources of measurement instrumentation uncertainty [Go to Page]
J.3 Measurand
J.4 Input quantities to be considered [Go to Page]
J.4.1 General
J.4.2 AM band with OEM passive vehicle antenna (high impedance)
J.4.3 AM band with OEM active vehicle antenna (“matched 50 Ω” impedance)
J.4.4 Others bands (e.g FM, DAB III, …) with OEM active vehicle antenna (“matched 50 Ω” impedance)
J.4.5 Others bands with reference antenna
Table J.1 – Input quantities to be considered for voltage at antenna terminal measurements
Annex K (informative)Uncertainty budgets for measurement of emissions receivedby an antenna on the same vehicle [Go to Page]
K.1 General
K.2 Typical CISPR 25 uncertainty budgets
Table K.1 – Typical uncertainty budget – Voltage at antenna terminal –AM band with OEM passive vehicle antenna (high impedance)
Table K.2 – Typical uncertainty budget – Voltage at antenna terminal – AM band with OEM active vehicle antenna (“matched 50 Ω” impedance)
Table K.3 – Typical uncertainty budget – Voltage at antenna terminal –Others bands with reference antenna [Go to Page]
K.3 Receiver’s frequency step
Figure K.1 – Example of measurement for frequency step uncertainty evaluation
Annex L (informative)Measurement instrumentation uncertainty –Emissions from components/modules – Test methods [Go to Page]
L.1 General
L.2 Uncertainty sources
Figure L.1 – Sources of measurement instrumentation uncertainty – conducted emissions from components/modules – Voltage method
Figure L.2 – Sources of measurement instrumentation uncertainty – conducted emissions from components/modules –Current probe method
Figure L.3 – Sources of measurement instrumentation uncertainty – radiated emissions from components/modules – ALSE method [Go to Page]
L.3 Measurand
L.4 Input quantities to be considered
Table L.1 – Input quantities to be considered for emissions from components/modules
Annex M (informative)Uncertainty budgets for emissions from components/modules [Go to Page]
M.1 General
M.2 Typical uncertainty budgets
Table M.1 – Typical uncertainty budget – Conducted emissions from components/modules – Voltage method and current probe method
Table M.2 – Typical uncertainty budget – Radiated emissions from components/modules – ALSE method
Annex N (informative)Items under consideration [Go to Page]
N.1 General
N.2 Measurement techniques and limits
N.3 ALSE performance validation method above 1 GHz
N.4 Reconsideration of the scope of the document
N.5 Reorganizing the document into separate parts similar to CISPR-16 document series
N.6 Inclusion of test setups for WPT charging
Bibliography [Go to Page]

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BS EN IEC 55025:2022 Vehicles, boats and internal combustion engines. Radio disturbance characteristics. Limits and methods of measurement for the protection of on-board receivers, 2022

⨯To continue with accurate pricing,
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