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BS EN IEC 60146-1-1:2024

BS EN IEC 60146-1-1:2024

$215.11

Semiconductor converters. General requirements and line commutated converters – Specification of basic requirements

Published By Publication Date Number of Pages
BSI 2024 94
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IEC 60146-1-1:2024 specifies the requirements for the performance of all semiconductor power converters and semiconductor power switches using controllable and/or non-controllable electronic valve devices. It is primarily intended to specify the basic requirements for converters in general and the requirements applicable to line commutated converters for conversion of AC power to DC power or vice versa. Parts of this document are also applicable to other types of electronic power converter provided that they do not have their own product standards. This fifth edition introduces four main changes: a) re-edition of the whole standard according to the current directives; b) deletion of safety-related descriptions considering coordination with IEC 62477 series; c) changes of calculation methods of inductive voltage regulation; d) changes considering coordination with IEC 61378 series.

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PDF Pages PDF Title
2 undefined
6 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
8 English
CONTENTS
11 FOREWORD
13 INTRODUCTION
14 1 Scope
2 Normative references
15 3 Terms and definitions
3.1 Semiconductor devices and combinations
19 3.2 Arms and connections
21 3.3 Controllability of converter arms and quadrants of operation (on DC side)
22 3.4 Commutation, quenching and commutation circuitry
24 3.5 Commutation characteristics
26 3.6 Rated values
29 3.7 Specific voltages, currents and factors
31 3.8 Cooling
32 3.9 Service conditions tolerances and electromagnetic compatibility
34 3.10 Harmonic distortion
38 3.11 Definitions related to insulation co-ordination
41 3.12 Principal letter symbols and subscripts
42 Tables
Table 1 – List of major subscripts
Table 2 – Symbols
44 4 Operation of semiconductor power equipment and valve devices
4.1 Classification
4.1.1 Semiconductor converter
45 4.1.2 Semiconductor valve devices
4.2 Basic operation of semiconductor converters
4.2.1 Commutation
46 Figures
Figure 1 – Types of commutation
47 4.2.2 Basic calculation factors for line commutated converters
Figure 2 – Illustration of angles
49 4.2.3 Disturbances and fault conditions
Figure 3 – Voltage regulation
Table 3 – Performance criteria
51 5 Service conditions
5.1 Code of identification for cooling method
5.2 Environmental conditions
5.2.1 Ambient air circulation
Table 4 – Cooling medium or heat transfer agent
Table 5 – Method of circulation
52 5.2.2 Normal service conditions – Temperatures
5.2.3 Other normal service conditions
Table 6 – Limit of temperature of the cooling medium for indoor equipment
53 5.2.4 Unusual service conditions
5.3 Characteristics of the load
54 5.4 Service condition tolerances
5.4.1 Steady state and short time conditions
55 Table 7 – Immunity levels to frequency and voltage amplitude for stiff AC voltage connections
Table 8 – Immunity levels to voltage unbalance for stiff AC voltage connections
56 5.4.2 Repetitive and non-repetitive transients
Table 9 – Immunity levels to voltage waveform for stiff AC voltage connections
57 6 Power conversion equipment and assemblies
6.1 Electrical connections
6.2 Calculation factors
6.2.1 Essential variables
Figure 4 – AC voltage waveform
60 Table 10 – Connections and calculation factors
62 6.2.2 Losses and efficiency
63 6.2.3 Power factor
6.2.4 Voltage regulation
65 6.3 Electromagnetic compatibility
6.3.1 Harmonics
66 6.3.2 Other EMC aspects
6.4 Rated values
6.4.1 General
6.4.2 Rated output voltage
67 6.4.3 Rated current values
68 6.5 Duty classes
6.5.1 Principles
Table 11 – Standard duty classes
69 6.5.2 Selection of duty class and rated current value
Table 12 – Examples of load cycles as guidance for selection of duty class
70 6.5.3 Particular remarks for double converters
6.6 Markings
6.6.1 General
71 6.6.2 Rating plate
7 Tests for valve device assemblies and power conversion equipment
7.1 General
7.1.1 Methods of testing
72 7.1.2 Kinds of tests
7.1.3 Performance of tests
73 7.2 Insulation tests
7.2.1 General
Table 13 – Summary of tests
74 7.2.2 Routine insulation tests of power conversion equipment
76 Table 14 – AC or DC test voltages for equipment directly connected to low voltage mains
Table 15 – AC or DC test voltages for equipment directly connected to high voltage mains
77 7.2.3 Additional tests
7.3 Functional test
7.3.1 Light load test and functional test
78 7.3.2 Rated current test
7.3.3 Over-current capability test
7.3.4 Measurement of the inherent voltage regulation
7.3.5 Measurement of ripple voltage and current
7.3.6 Measurement of harmonic currents
79 7.4 Losses, temperature and power factor
7.4.1 Power loss determination for assemblies and equipment
80 7.4.2 Temperature rise test
7.4.3 Power factor measurements
7.5 Auxiliary device and control equipment
7.5.1 Checking of auxiliary devices
81 7.5.2 Checking the properties of the control equipment
7.5.3 Checking the protective devices
7.6 EMC tests
82 7.7 Measurement of audible noise and additional tests
7.8 Tolerances
83 Table 16 – Tolerances
84 Annex A (normative) Harmonics and interhamonics
A.1 Non-sinusoidal voltages and currents
A.2 Two approaches for definitions related to harmonics
85 Annex B (informative) Electrical environment – Short-circuit ratio
B.1 Electrical environment specification
86 B.2 Point of coupling of the converter
B.2.1 Systems and installations
87 B.2.2 Short-circuit ratio of the source in the installation
88 B.2.3 Short-circuit ratio
Figure B.1 – PCC, IPC, installation current ratio and RSI
89 Figure B.2 – PCC, IPC, installation current ratio and RSC
90 Annex C (informative) Introduction to safety standards for power conversion equipment
C.1 General
C.2 Brief introduction to IEC 62477 series with reference to IEC 60146 series
C.3 Purposes or intentions of IEC 60146 series and IEC 62477 series
Table C.1 – Comparison on purposes or intentions between two standards
91 Bibliography

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