BS EN IEC 55025:2022

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Vehicles, boats and internal combustion engines. Radio disturbance characteristics. Limits and methods of measurement for the protection of on-board receivers

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BSI	2022	188

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Categories: 33.100.20 - Immunity, BSI

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PDF Pages	PDF Title
2	undefined
5	Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6	English CONTENTS
13	FOREWORD
15	INTRODUCTION
16	1 Scope 2 Normative references
17	3 Terms and definitions
23	4 Requirements common to vehicle and component/module emissions measurement 4.1 General test requirements 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
24	4.1.4 Operating conditions Figures Figure 1 – Method of determination of conformance for all frequency bands
25	4.1.5 Test report 4.2 Shielded enclosure 4.3 Absorber-lined shielded enclosure (ALSE) 4.3.1 General 4.3.2 Size 4.3.3 Objects in ALSE
26	4.3.4 ALSE performance validation 4.4 Measuring instrument 4.4.1 General 4.4.2 Spectrum analyser parameters
28	Tables Table 1 – Spectrum analyser parameters
29	4.4.3 Scanning receiver parameters
30	Table 2 – Scanning receiver parameters
31	4.5 Power supply 4.5.1 General 4.5.2 Internal combustion engine vehicle – ignition on, engine off 4.5.3 Internal combustion engine vehicle – engine running
32	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
33	5 Measurement of emissions received by an antenna on the same vehicle 5.1 General 5.2 Antenna measuring system 5.2.1 Type of antenna 5.2.2 Measuring system requirements Table 3 – Antenna types
34	Figure 2 – Example of gain curve
35	5.3 Method of measurement
36	5.4 Test setup for vehicle in charging mode 5.4.1 General Figure 3 – Example of test setup – Vehicle-radiated emissions(front view with monopole antenna)
37	5.4.2 Vehicle in charging mode 1 or mode 2 (AC power charging without communication)
38	Figure 4 – Example of test setup for vehicle with the inlet located on vehicle side (charging mode 1 or 2, AC powered, without communication)
39	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
42	Figure 6 – Example of test setup for vehicle with the inlet located on vehicle side (charging mode 3 or mode 4, with communication)
43	Figure 7 – Example of test setup for vehicle with the inlet located front /rear of vehicle (charging mode 3 or mode 4, with communication)
44	5.5 Examples of limits for vehicle radiated disturbances Table 4 – Example for limits of disturbance – Complete vehicle – General
46	Table 5 – Example for limits of disturbance – Complete vehicle – Digital mobile phone
49	Figure 8 – Details of average limits for GPS, BDS,B1l and GLONASS bands –Complete vehicle
50	6 Measurement of components and modules 6.1 General 6.2 Test equipment 6.2.1 Reference ground plane
51	6.2.2 Power supply and AN 6.2.3 Load simulator 6.3 Conducted emissions from components/modules – Voltage method 6.3.1 General 6.3.2 Test setup
52	6.3.3 Test procedure
54	Figure 9 – Conducted emissions – Example of test setupfor EUT with power return line remotely grounded
55	Figure 10 – Conducted emissions – Example of test setup for EUTwith power return line locally grounded
56	Figure 11 – Conducted emissions – Example of test setupfor alternators and generators
57	Figure 12 – Conducted emissions – Example of test setupfor ignition system components
58	6.3.4 Limits for conducted disturbances from components/modules – Voltage method 6.4 Conducted emissions from components/modules – current probe method 6.4.1 General 6.4.2 Test setup Table 6 – Examples of limits for conducted disturbances –Voltage method
59	6.4.3 Test procedure
60	Figure 13 – Conducted emissions – Example of test setup for current probe measurements
61	6.4.4 Limits for conducted disturbances from components/modules – Current probe method 6.5 Radiated emissions from components/modules – ALSE method 6.5.1 General Table 7 – Examples of limits for conducted disturbances – Current probe method
62	6.5.2 Test setup
63	Figure 14 – Test harness bending requirements
64	6.5.3 Test procedure
65	Figure 15 – Example of test setup – rod antenna
66	Figure 16 – Example of test setup – biconical antenna
67	Figure 17 – Example of test setup – log-periodic antenna
68	Figure 18 – Example of test setup – above 1 GHz – Horn antenna
69	6.5.4 Limits for radiated disturbances from components/modules – ALSE method Table 8 – Examples of limits for radiated disturbances – ALSE method – General
71	Table 9 – Examples of limits for radiated disturbances –ALSE method – Digital mobile phone
76	6.6 Radiated emissions from components/modules – Stripline method Figure 19 – Details of average limit for GPS, BDS, B1l and GLONASS bands – Components
77	Annexes 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
78	Annex B (normative)Antenna matching unit – Vehicle test B.1 Antenna matching unit parameters (150 kHz to 6,2 MHz) B.2 Antenna matching unit – verification B.2.1 General B.2.2 Gain measurement B.2.3 Test procedure B.3 Impedance measurement
79	Figure B.1 – Verification setup
80	Annex C (informative)Sheath-current suppressor C.1 General information C.2 Suppressor construction Figure C.1 – Characteristic S21 of the sheath-current suppressor
81	Annex D (informative)Guidance for the determination of the noise floorof active vehicle antennas
82	Figure D.1 – Example of vehicle test setup for equipment noise
83	Figure D.2 – Example of vehicle test setup for antenna noise measurement
84	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) E.1 General E.2 Artificial networks (AN) E.2.1 Component powered by LV
85	Figure E.1 – Example of 5 µH AN schematic Figure E.2 – Characteristics of the AN impedance ZPB
86	E.2.2 Component powered by HV Table E.1 – Magnitude of the AN impedance ZPB
87	Figure E.3 – Example of 5 µH HV-AN schematic
88	Figure E.4 – Example of 5 µH HV-AN combination in a single shielded box
89	E.2.3 Direct Current charging Artificial Networks (DC-charging-AN) Figure E.5 – Impedance matching network attached between HV-ANs and EUT
90	E.3 Artificial Mains Networks (AMN) E.4 Asymmetric Artificial Network (AAN) E.4.1 General E.4.2 Signal/control port with symmetric lines Figure E.6 – Example of 5 μH DC-charging-AN schematic
91	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)
92	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
93	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
94	Figure E.10 – Example of AAN circuit for pilot line
95	Annex F (informative)Radiated emissions from components/modules –Stripline method F.1 General F.2 Test setup F.2.1 General
96	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
97	Figure F.1 – Example of a basic stripline test setup in a shielded enclosure
98	F.4 Limits for radiated emissions from components/modules – Stripline method Table F.1 – Examples of limits for radiated disturbances –Stripline method
100	F.5 Stripline design
101	Figure F.2 – Example for a 50 Ω stripline
102	Figure F.3 – Example for a 90 Ω stripline
103	Annex G (informative)Interference to mobile radio communicationin the presence of impulsive noise – Methods of judging degradation G.1 General G.2 Survey of methods of judging degradation to radio channel G.2.1 General G.2.2 Subjective tests
105	G.2.3 Objective tests G.2.4 Conclusions relating to judgement of degradation
106	Annex H (normative)Test methods for power supply systemsfor high voltages in electric and hybrid vehicles H.1 General H.2 Test equipment H.2.1 Reference ground plane
107	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 H.3.1 General
108	H.3.2 Test setup
110	Figure H.1 – Conducted emission – example for test setupfor EUTs with shielded power supply systems
111	Figure H.2 – Conducted emission – example of test setup for EUTs with shielded power supply systems with electric motor attached to the bench
112	Figure H.3 – Conducted emission – Example of test setupfor EUTs with shielded power supply systems and inverter
113	Figure H.4 – Conducted emission – Example of test setup for EUTswith shielded power supply systems and charger device
114	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)
115	H.4 Conducted emission from components/modules on HV power lines – current probe method H.4.1 General H.4.2 Test setup
117	Figure H.5 – Conducted emission – Example of test setup current probe measurementon HV lines for EUTs with shielded power supply systems
118	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
119	Figure H.7 – Conducted emission – Example of test setup current probe measurement on HV lines for EUTs with shielded power supply systems and inverter
120	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
121	H.4.3 Limits for conducted emission – current probe method H.5 Radiated emissions from components/modules – ALSE method H.5.1 General H.5.2 Test setup
123	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
124	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
125	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
126	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
127	H.5.3 Limits for radiated emissions – ALSE method H.6 Coupling between HV and LV systems H.6.1 General H.6.2 Measurement based on test setups defined in Clause 6
128	Figure H.13 – Test setup for calibration of the test signal
129	Figure H.14 – Example of test setup for conducted emissions – voltage method – measurement on LV ports with injection on HV supply ports
131	Figure H.15 – Example of test setup for conducted emissions – current probe method – measurement on LV ports with injection on HV supply ports
133	Figure H.16 – Example of test setup for radiated emissions – ALSE method – measurement with biconical antenna with injection on HV supply ports
134	H.6.3 Measurement of the HV-LV coupling attenuation
135	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
136	Figure H.18 – Examples of requirements for coupling attenuation, ac Table H.4 – Examples of requirements for minimum coupling attenuation, ac
137	Annex I (Informative)ALSE performance validation 150 kHz to 1 GHz I.1 General
138	Figure I.1 – Examples of typical ALSE influence parametersover the 10 MHz to 100 MHz frequency range
139	I.2 Validation method I.2.1 Overview I.2.2 Equipment Figure I.2 – Visual representation of ALSE performance validation process
141	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
142	I.2.3 Procedure Figure I.6 – Example VSWR measured from four radiation sources(without 10 dB attenuator)
144	Figure I.7 – Example setup for ALSE equivalent field strength measurement (rod antenna shown for the frequency range from 150 kHz to 30 MHz)
146	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
151	I.2.4 Requirements
152	Annex J (informative)Measurement instrumentation uncertainty –measurement of emissions received by an antenna on the same vehicle J.1 General J.2 Uncertainty sources
153	Figure J.1 – Sources of measurement instrumentation uncertainty
154	J.3 Measurand J.4 Input quantities to be considered 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)
155	J.4.5 Others bands with reference antenna Table J.1 – Input quantities to be considered for voltage at antenna terminal measurements
160	Annex K (informative)Uncertainty budgets for measurement of emissions receivedby an antenna on the same vehicle 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)
163	Table K.2 – Typical uncertainty budget – Voltage at antenna terminal – AM band with OEM active vehicle antenna (“matched 50 Ω” impedance)
165	Table K.3 – Typical uncertainty budget – Voltage at antenna terminal –Others bands with reference antenna
167	K.3 Receiver’s frequency step Figure K.1 – Example of measurement for frequency step uncertainty evaluation
168	Annex L (informative)Measurement instrumentation uncertainty –Emissions from components/modules – Test methods L.1 General L.2 Uncertainty sources
169	Figure L.1 – Sources of measurement instrumentation uncertainty – conducted emissions from components/modules – Voltage method
170	Figure L.2 – Sources of measurement instrumentation uncertainty – conducted emissions from components/modules –Current probe method
171	Figure L.3 – Sources of measurement instrumentation uncertainty – radiated emissions from components/modules – ALSE method
172	L.3 Measurand L.4 Input quantities to be considered
173	Table L.1 – Input quantities to be considered for emissions from components/modules
179	Annex M (informative)Uncertainty budgets for emissions from components/modules 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
181	Table M.2 – Typical uncertainty budget – Radiated emissions from components/modules – ALSE method
185	Annex N (informative)Items under consideration 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
186	Bibliography

Additional information

Status	Definitive
Pages	188
Publication Date	2022-03-08
ISBN	978 0 539 03979 5
Standard Number	BS EN IEC 55025:2022
Title	Vehicles, boats and internal combustion engines. Radio disturbance characteristics. Limits and methods of measurement for the protection of on-board receivers
Identical National Standard Of	EN 55025 Ed.5.0, CISPR 25:2021
Replaces	BS EN 55025:2017
Descriptors	Emission, Receivers, Internal combustion engines, Noise (spurious signals), Measurement, Radio receivers, Boats, Electronic equipment and components, Electrical components, Radio disturbances, Television receivers, Vehicles
Publisher	BSI
Committee	GEL/210
ICS Codes	33.100.20 - Immunity

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