ДСТУ EN 50162:2022 Захист від корозії блукальним струмом від систем постійного струму (EN 50162:2004, IDT)



ДСТУ EN 50162:2022
(EN 50162:2004, IDT)

Захист від корозії блукальним струмом відсистем постійного струму

 

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

Contents

Introduction

1 Scope

2 Normative references

3 Definitions

4 Information exchange and co-operation

5 Identification and measurement of stray current interference

5.1 Identification

5.2 Measurement

6 Criteria for stray-current interference

6.1 Anodic interference

6.2 Cathodic interference

7 Reduction of stray current interference - Modifications to current source

7.1 General

7.2 Principles

7.3 Direct current systems at industrial sites

7.4 Direct current systems at ports

7.5 Direct current communication systems

7.6 Direct current traction systems

7.7 High-voltage direct current transmission systems

7.8 Cathodic protection systems

7.9 Interference caused by electrical drainage (secondary interference)

8 Reduction of stray current interference - Modifications to the interfered structure

8.1 General

8.2 Design prerequisites

8.3 Installation of mitigation devices

9 Inspection and maintenance

Annex A (informative) Stray current corrosion, potential measurements and IR-drop

Annex В (informative) Principles of anodic and cathodic interference

Annex В (informative) Criteria for maximum acceptable levels of potential shift ΔU of anodic interference

Annex D (informative) The use of current probes to evaluate fluctuating stray current interference on cathodically protected structures

Annex E (informative) Interference situations and protection techniques

Bibliography