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BS EN IEC 61083-3:2021

BS EN IEC 61083-3:2021

$167.15

Instruments and software used for measurement in high-voltage and high-current tests – Requirements for hardware for tests with alternating and direct voltages and currents

Published By Publication Date Number of Pages
BSI 2021 38
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IEC 61083-3:2020 is applicable to digital recording instruments used for measurements during tests with high alternating and direct voltages and currents. It specifies the measuring characteristics and calibrations required to meet the measuring uncertainties and procedures specified in the relevant IEC standards (e.g. IEC 60060-1, IEC 60060-2, IEC 60060-3, IEC 62475, IEC 61180). This document is applicable to those digital recording instruments that will be designed and type tested according to this document. This document • defines performance requirements for digital recording instruments used during tests with alternating voltages and currents (AC) or direct voltages and currents (DC); • specifies the necessary requirements for such instruments to ensure their suitability for use under the relevant standards; • establishes the tests and procedures necessary to demonstrate their compliance; • defines the terms related to digital recording instruments with recording function and access to raw data. Examples of relevant alternating and direct voltages and currents to be measured are listed in Annex D. This International Standard has the status of a horizontal standard in accordance with IEC Guide 108.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
12 3 Terms and definitions
3.1 Digital recording instruments
13 3.2 Rated values
3.3 Factors
3.4 Dynamic performance
14 Figures
Figure 1 – Integral non-linearity s(k) at code k
15 3.5 Uncertainties
Figure 2 – Non-linearity d(k) and code bin width w(k) under DC conditions
16 3.6 Tests
4 Operating conditions
17 5 Calibration and test methods
5.1 Applicability
5.2 Qualification of digital recording instruments
5.3 Requirements for reference generators
5.4 Available methods for qualification of digital recording instruments
Tables
Table 1 – Operating conditions
18 5.5 Calibration
5.6 Alternative test methods
5.6.1 General
5.6.2 Test of the rise time, step response
5.6.3 Internal noise level
5.6.4 Interference test
5.6.5 Reading rate
19 5.7 Uncertainty contribution
5.8 Input impedance
6 Requirements for AC and DC measurements
6.1 Requirements for digital recording instruments used in approved measuring systems
6.2 Individual requirements
6.2.1 General
6.2.2 Scale factor
6.2.3 Sampling rate
20 6.2.4 Rated resolution
6.2.5 Rise time (bandwidth)
6.2.6 Noise level
6.2.7 Interference
6.2.8 Non-linearity of amplitude
6.2.9 Record length of digital recording instruments
6.3 Requirements for digital recording instruments used in reference measuring systems
21 6.4 Tests
6.4.1 General
6.4.2 Type tests
6.4.3 Routine tests
6.4.4 Performance tests
Table 2 – Tests required for digital recording instruments
22 6.4.5 Performance checks
7 Uncertainty contributions for complete measuring systems
8 Record of performance
23 Annex A (normative)Electromagnetic interference in high-voltage andhigh-current laboratories and test fields
A.1 General
A.2 Precautions
A.2.1 Electromagnetic shielding
A.2.2 Reduction of conducted interference from the supply line
A.2.3 Reduction of interference on the signal line
24 A.2.4 Signal transmission by optical means
A.3 Tests with transient induced electromagnetic fields
A.4 Tests with current injection
Figure A.1 – Application of electric and magnetic fields
25 Figure A.2 – Current injection into the shield of the cable
26 Annex B (informative)Electromagnetic interference in high-voltage and high-current laboratories and test fields – Recommendations for digital recording instruments
27 Table B.1 – Increased immunity levels suggested for digital recording instruments used in high-voltage environments
28 Annex C (informative)Procedure to determine the non-linearity of amplitudeof sampling instruments
Figure C.1 – Digitalization of a sinusoidal waveform with a 4 bit A/D converter
Figure C.2 – Ideal code distribution of a sinusoidal waveform digitized by a 4 bit A/D converter
29 Figure C.3 – Example of a non-ideal measurement of ideal sinusoidal waveform
Figure C.4 – Example of the determination of the differential non-linearity
30 Annex D (informative)Examples and considerations
D.1 Suggested requirements for digital recording instruments for AC andDC voltage measurements
D.1.1 Test cases
31 D.1.2 Background
D.1.3 Recommendations for digital recording instruments for AC testing (up to 60 Hz without consideration of harmonics)
D.1.4 Recommendations for digital recording instruments for DC testing (without consideration of ripple)
D.1.5 Recommendations for digital recording instruments for AC and DC testing under consideration of harmonics or superimposed or combined voltages
D.2 Examples of relevant voltage and current characteristics to be measured
32 Table D.1 – Relevant voltages and currents
33 D.3 Determination of the necessary rise time of instruments
34 D.4 Considerations regarding the large variety of AC and DC measurements
35 Bibliography

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