ДСТУ EN 60990:2022 Методы измерения тока прикосновения и тока защитного проводника (EN 60990:2016, IDT; IEC 60990:2016, IDT)

ДСТУ EN 60990:2022
(EN 60990:2016, IDT; IEC 60990:2016, IDT)

Методи вимірювання струму дотику та струму захисного провідника

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Test site

4.1 Test site environment

4.2 Test transformer

4.3 Earthed neutral conductor

5 Measuring equipment

5.1 Selection of measuring network

5.2 Test electrodes

5.3 Configuration

5.4 Power connections during test

5.5 Supply voltage and frequency

6 Test procedure

6.1 General

6.2 Normal and fault conditions of equipment

7 Evaluation of results

7.1 Perception, startle-reaction and letgo-immobilization

7.2 Electric burn

8 Measurement of protective conductor current

8.1 General3

8.2 Multiple equipment

8.3 Measuring method

Annex A (normative) Equipment

Annex B (normative) Use of a conductive plane

Annex C (normative) Incidentally connected parts

Annex D (informative) Choice of current limits

Annex E (informative) Networks for use in measurement of touch current

Annex F (informative) Measuring network limitations and construction

Annex G (informative) Construction and application of touch current measuring instruments

Annex H (informative) Analysis of frequency filtered touch current circuit measurements

Annex I (informative) AC power distribution systems (see 5.4)

Annex J (informative) Routine and periodic touch current tests, and tests after repair or modification of mains operated equipment

Annex K (normative) Network performance and calibration

Bibliography