ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-29: TESTING AND MEASUREMENT TECHNIQUES - VOLTAGE DIPS, SHORT INTERRUPTIONS AND VOLTAGE VARIATIONS ON D.C. INPUT POWER PORT IMMUNITY TESTS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 General
5 Test levels
6 Test equipment
6.1 Characteristics and performances of the
generator
6.2 Verification of the characteristics of the
generator
7 Test set-up
8 Test procedure
8.1 Laboratory reference conditions
8.2 Execution of the test
9 Evaluation of test results
10 Test report
Annex A (informative) Example of test generators and test
set-up
Annex B (normative) Inrush current measurement
Figure A.1 - Example of test generator based on two power
sources with internal switching
Figure A.2 - Example of test generator based on a
programmable power supply of a test generator
Figure B.1 - Circuit for measuring the peak inrush current
drive capability of a test generator
Table 1a - Preferred test levels and durations for voltage
dips
Table 1b - Preferred test levels and durations for short
interruptions
Table 1c - Preferred test levels and durations for voltage
variations
Establishes a common and reproducible basis for testing electrical and electronic equipment when subjected to voltage dips, short interruptions or voltage variations on d.c. power ports. This standard defines: the range of test levels; the test generator; the test set-up and the test procedure.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 77A |
