IEC TR 62271-303:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
08-26-2013
English - French
07-23-2008
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Storage and transportation of SF[6]
4.1 Storage of containers filled with SF[6]
4.2 Transportation of containers filled with SF[6]
4.3 Storage and transportation of electric power equipment
containing SF[6]
4.4 Responsibilities
5 Safety and first aid
5.1 General safety rules
5.1.1 Protection of personnel
5.1.2 Handling of contaminated safety equipment and
tools
5.1.3 Pressurised equipment and tools or measuring
devices
5.1.4 Personal safety and protective equipment
5.1.5 Facilities and services
5.2 Additional safety measures in case of abnormal release
of SF[6] due to external fire or internal arc fault
5.3 First aid equipment and treatment
5.3.1 Irritation of the skin
5.3.2 Irritation of the eyes
5.3.3 Breathing difficulty
6 Training and certification
6.1 General
6.2 Training modules
6.2.1 Module A - Awareness
6.2.2 Module B1 - Maintenance not implying gas
recovery
6.2.3 Module B2 - Installation and commissioning
6.2.4 Module C1 - Maintenance implying gas recovery
6.2.5 Module C2 - Decommissioning of electric power
equipment at the end-of-life
6.3 Certification
7 SF[6] handling during installation and commissioning
7.1 Evacuation, filling and checking the SF[6] quality after
filling
7.2 Topping-up of SF[6] pre-filled compartments to the rated
pressure/density
7.3 Filling sealed pressure systems
8 SF[6] handling during normal service life
8.1 Re-filling of SF[6] to the nominal pressure/density
8.2 Checking the SF[6] quality
8.2.1 Measurement of the SF[6] quality with portable
equipment
8.2.2 Sampling and shipment of SF[6] for off-site
analysis
9 SF[6] recovering and reclaiming during maintenance
9.1 Recovery and reclaiming of SF[6] from any compartment
of controlled and/or closed pressure systems containing
non-arced and/or normally arced SF[6]
9.2 Recovery and reclaiming from any compartment of
controlled and/or closed pressure systems containing
heavily arced SF[6]
10 Dismantling of SF[6] electric power equipment at the
end-of-life
10.1 End-of-life of controlled and/or closed pressure systems
10.2 End-of-life of sealed pressure systems
10.3 Recovery and reclaiming of SF[6] at the end-of-life of
sealed pressure systems
10.4 Dismantling of electric power equipment at the
end-of-life
10.5 By-products at the end-of-life
11 Description of SF[6] handling equipment
11.1 Reclaimer
11.1.1 External and internal pre-filters
11.1.2 Filters
11.1.3 Vacuum pump
11.1.4 Main and auxiliary compressors
11.1.5 External and internal gas storage containers
11.1.6 Evaporator and gas storage container heater
11.1.7 Gas piping and pipe junctions
11.1.8 Control instruments
11.1.9 Safety valves
11.2 Flexible hose connections
11.3 Portable devices for gas measurement
11.3.1 Dew point meter
11.3.2 SF[6] percentage measuring device
11.3.3 Reaction tubes sensitive to SO[2]
11.3.4 Portable SF[6] detectors
11.3.5 Alarm system SF[6] detectors
11.4 Cylinder for gas samples
Annex A (informative) Sulphur hexafluoride
Annex B (informative) Environmental effects of SF[6]
Annex C (informative) SF[6] by-products
Annex D (informative) Potential effects on health of SF[6]
by-products
Bibliography
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