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BS EN IEC 62920:2017+A1:2021:2022 Edition

BS EN IEC 62920:2017+A1:2021:2022 Edition

$198.66

Photovoltaic power generating systems. EMC requirements and test methods for power conversion equipment

Published By Publication Date Number of Pages
BSI 2022 58
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PDF Catalog

PDF Pages PDF Title
2 undefined
5 CONTENTS
8 FOREWORD
10 INTRODUCTION
12 1 Scope
2 Normative references
13 3 Terms and definitions
14 Figures
Figure 1 – Example of ports
17 4 Classification of PCE
4.1 Category of environment
4.2 Division into classes
Figure 2 – Examples of installation of PV systems in both environments
18 4.3 Information for users
5 Test setup for type test
5.1 General
5.2 Configuration of test setups
5.2.1 General
19 5.2.2 Setups for immunity requirement test
20 5.2.3 Setups for low frequency emission requirement test
5.2.4 Setups for high frequency emission requirement test
21 6 Operating conditions during testing
6.1 General
6.2 Operating conditions for immunity requirement test
22 6.3 Operating conditions for low frequency emission requirement test
6.4 Operating conditions for high frequency emission requirement test
7 Immunity requirements
7.1 Requirements
23 Tables
Table 1 – Immunity requirements for class B PCE
24 Table 2 – Immunity requirements for class A PCE
25 7.2 Performance criteria
Table 3 – Voltage dips and interruption immunity requirements for class B PCE
Table 4 – Voltage dips and interruption immunity requirements for class A PCE
26 8 Emission requirements
8.1 Low frequency
Table 5 – Performance criteria for immunity tests
27 Figure 3 – Overview of harmonic requirements up to 75 A
28 8.2 High frequency
8.2.1 Conducted emission
Figure 4 – Overview of voltage change requirements up to 75 A
29 Table 6 – Disturbance voltage limits at the AC mains power port for class A PCE measured on a test site
Table 7 – Disturbance voltage limits at the AC mains power port for class B PCE measured on a test site
30 Table 8 – Disturbance limits at the DC power port for class A PCE measured on a test site
Table 9 – Disturbance limits at the DC power port for class B PCE measured on a test site
31 8.2.2 Radiated emission
Table 10 – Limits of conducted common mode (asymmetric mode) disturbance at the wired port for class A PCE
Table 11 – Limits of conducted common mode (asymmetric mode) disturbance at the wired port for class B PCE
Table 14 – Applicability of measurements at DC power ports
32 9 Test procedures, results and report
Table 12 – Electromagnetic radiation disturbance limits for class A PCE measured on a test site
Table 13 – Electromagnetic radiation disturbance limits for class B PCE measured on a test site
34 Annex A (informative) Configuration examples of test setups
A.1 General
A.2 Setups for immunity requirement test
A.2.1 Electrostatic discharge
35 Figure A.1 – Example of a test setup for direct application of discharges to PCE
Figure A.2 – Example of a test setup for indirect application of discharges to PCE
36 A.2.2 Radiated disturbances
37 A.2.3 Electrical fast transient/burst
Figure A.3 – Example of a test setup for wall-mounted PCE
38 Figure A.4 – Example of a test setup for direct coupling of the test voltage to AC mains power ports
39 A.2.4 Surge
Figure A.5 – Example of a test setup for application of the test voltage with a capacitive coupling clamp
40 Figure A.6 – Example of a test setup for AC mains power ports
Figure A.7 – Example of a test setup for DC power ports
41 A.2.5 Conducted disturbances, induced by radio-frequency fields
A.2.6 Voltage dips and interruption
Figure A.8 – Example of a setup of conducted disturbances immunity test applied for wall-mounted PCE
42 A.3 Setups for high frequency emission requirement test
A.3.1 Conducted disturbances
Figure A.9 – Example of a test setup using a generator for voltage dips and short interruptions
43 Figure A.10 – Example of a test setup of conducted disturbances measurement applied for wall-mounted PCE
44 Figure A.11 – Example of a test setup of conducted disturbances measurement applied for wall-mounted PCE with power circulation
Figure A.12 – Example of a test setup of conducted disturbances measurement applied for wall-mounted PCE with direct connection to AC mains
45 A.3.2 Radiated disturbances
Figure A.13 – Example of a test setup of radiated disturbances measurement applied for wall-mounted PCE
46 Annex B (informative) Setups for low frequency emission requirement test
B.1 General
B.2 Example of a test circuit for low frequency emission requirement test
B.2.1 Harmonics
Figure B.1 – Measurement circuit for single-phase two-wire PCE
47 Figure B.2 – Measurement circuit for single-phase three-wire PCE
Figure B.3 – Measurement circuit for three-phase three-wire PCE
Figure B.4 – Measurement circuit for three-phase four-wire PCE
48 B.2.2 Voltage fluctuations and flicker
Figure B.5 – Measurement circuit for single-phase two-wire PCE
Figure B.6 – Measurement circuit for single-phase three-wire PCE
49 Figure B.7 – Measurement circuit for three-phase three-wire PCE
Figure B.8 – Measurement circuit for three-phase four-wire PCE
50 Annex C (informative) Test setup for conducted disturbance measurement
C.1 General
C.2 Examples of a test setup
51 Figure C.1 – Example of a standardized test setup for conducted disturbances measurement with AC mains power supply
52 Figure C.2 – Example of a standardized test setup for conducted disturbances measurement with a laboratory AC power source
53 Annex D (informative)Alternative test methods for high-power PCE
D.1 General
D.2 Alternative method for immunity requirement test
D.2.1 Alternative method for EFT/burst immunity test
D.2.2 Alternative method for surge test
Figure D.1 – Example of an alternative method for EFT/Burst immunity test
54 D.2.3 Alternative test method for conducted disturbances, induced by radio-frequency fields
Figure D.2 – Example of an alternative coupling/decoupling network for AC mains power ports
55 D.2.4 Conducted disturbances measurement
Figure D.3 – Example of a test setup applying clamp injection method to AC mains power ports
56 Figure D.4 – Alternative test method of conduced disturbances measurement using artificial networks as voltage probes
57 Bibliography

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