ДСТУ EN 60079-14:2022 Взрывоопасные атмосферы. Часть 14. Проектирование, выбор и монтаж электроустановок (EN 60079-14:2014, IDT; IEC 60079-14:2013, IDT)
ДСТУ EN 60079-14:2022
(EN 60079-14:2014, IDT; IEC 60079-14:2013, IDT)
Вибухонебезпечні атмосфери. Частина 14. Проєктування, вибір і монтаж електроустановок
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General
3.2 Hazardous areas
3.3 Flameproof enclosure
3.4 Increased safety
3.5 Intrinsic safety
3.6 Intrinsic safety parameters
3.7 Pressurization
3.8 Type of protection “n”
3.9 oil-immersion “o”
3.10 powder filling “q”
3.11 encapsulation “m”
3.12 protection by enclosure “t”
3.13 Electrical supply systems
3.14 Equipment
3.15 radio frequency identification RFID
4 General
4.1 General requirements
4.2 Documentation
4.3 Initial inspection
4.4 Assurance of conformity of equipment
4.5 Qualifications of personnel
5 Selection of equipment
5.1 Information requirements
5.2 Zones
5.3 Relationship between equipment protection levels (EPLs) and zones
5.4 Selection of equipment according to EPLs
5.5 Selection according to equipment grouping
5.6 Selection according to the ignition temperature of the gas, vapour or dust and ambient temperature
5.7 Selection of radiating equipment
5.8 Selection of ultrasonic equipment
5.9 Selection to cover external influences
5.10 Selection of transportable, portable and personal equipment
5.11 Rotating electrical machines
5.12 Luminaires
5.13 Plugs and socket outlets
5.14 Cells and batteries
5.15 RFID tags
5.16 Gas detection equipment
6 Protection from dangerous (incendive) sparking
6.1 Light metals as construction materials
6.2 Danger from live parts
6.3 Danger from exposed and extraneous conductive parts
6.4 Potential equalization
6.5 Static electricity
6.6 Lightning protection
6.7 Electromagnetic radiation
6.8 Cathodically protected metallic parts
6.9 Ignition by optical radiation
7 Electrical protection
8 Switch-off and electrical isolation
8.1 General
8.2 Switch-off
8.3 Electrical isolation
9 Cables and wiring systems
9.1 General
9.2 Aluminium conductors
9.3 Cables
9.4 Conduit systems
9.5 Additional requirements
9.6 Installation requirements
10 Cable entry systems and blanking elements
10.1 General
10.2 Selection of cable glands
10.3 Connections of cables to equipment
10.4 Additional requirements for entries other than Ex “d”, Ex “t” or Ex “nR”
10.5 Unused openings
10.6 Additional requirements for type of protection “d” - Flameproof enclosures
10.7 Additional requirements for type of protection “t” - Protection by enclosure
10.8 Additional requirements for type of protection “nR” - Restricted breathing enclosure
11 Rotating electrical machines
11.1 General
11.2 Motors with type of protection “d” - Flameproof enclosures
11.3 Motors with type of protection “e” - Increased safety
11.4 Motors with type of protection “p” and “pD” - Pressurized enclosures
11.5 Motors with type of protection “t” - Protection by enclosures supplied at varying frequency and voltage
11.6 Motors with type of protection “nA” - Non-sparking
12 Luminaires
13 Electric heating systems
13.1 General
13.2 Temperature monitoring
13.3 Limiting temperature
13.4 Safety device
13.5 Electrical trace heating systems
14 Additional requirements for type of protection “d” - Flameproof enclosures
14.1 General
14.2 Solid obstacles
14.3 Protection of flameproof joints
14.4 Conduit systems
15 Additional requirements for type of protection “e” - Increased safety
15.1 General
15.2 Maximum dissipated power of terminal box enclosures
15.3 Conductor terminations
15.4 Maximum number of conductors in relation to the cross-section and the permissible continuous current
16 Additional requirements for types of protection “i” - Intrinsic safety
16.1 General
16.2 Installations to meet the requirements of EPL “Gb” or “Gc” and “Db” or “De”
16.3 Installations to meet the requirements of EPL “Ga” or “Da”
16.4 Simple apparatus
16.5 Terminal boxes
16.6 Special applications
17 Additional requirements for pressurized enclosures
17.1 General
17.2 Type of protection “p”
17.3 Type of protection “pD”
17.4 Rooms for explosive gas atmosphere
18 Additional requirements for type of protection “n”
18.1 General
18.2 “nR” equipment
18.3 Combinations of terminals and conductors for general connection and junction boxes
18.4 Conductor terminations
19 Additional requirements for type of protection “o” - Oil immersion
19.1 General
19.2 External connections
20 Additional requirements for type of protection “q” - Powder filling
21 Additional requirements for type of protection “m” - Encapsulation
22 Additional requirements for type of protection “op” - Optical radiation
23 Additional requirements for type of protection “t” - Protection by enclosure
Annex A (normative) Knowledge, skills and competencies of responsible persons, operatives/technicians and designers
Annex B (informative) Safe work procedure guidelines for explosive gas atmospheres
Annex C (normative) Initial inspection - Equipment-specific inspection schedules
Annex D (informative) Electrical installations in extremely low ambient temperature
Annex E (informative) Restricted breathing test for cables
Annex F (informative) Installation of electrical trace heating systems
Annex G (normative) Potential stator winding discharge risk assessment - Ignition risk factors
Annex H (normative) Verification of intrinsically safe circuits with more than one associated apparatus with linear current/voltage characteristics
Annex I (informative) Methods of determining the maximum system voltages and currents in intrinsically safe circuits with more than one associated apparatus with linear current/voltage characteristics (as required by Annex H)
Annex J (informative) Determination of cable parameters
Annex K (normative) Additional requirements for type of protection “op” - Optical radiation
Annex L (informative) Examples of dust layers of excessive thickness
Annex M (informative) Hybrid mixtures
Bibliography
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