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BS EN IEC 60519-4:2021 Safety in installations for electroheating and electromagnetic processing - Particular requirements for arc furnace installations, 2022
- undefined
- Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms [Go to Page]
- 3.1 General concepts
- 3.2 Equipment and state of equipment
- 3.3 Parts and accessories
- 3.4 Safety related concepts
- 3.5 Abbreviated terms
- 4 Classification and subdivision of equipment and installations [Go to Page]
- 4.1 Classification by processing frequency
- 4.2 Classification by voltage
- 4.3 Subdivision of installation and equipment
- 4.4 Classification of hazards and risks
- 5 Risk assessment
- 6 General provisions [Go to Page]
- 6.1 Basic considerations
- 6.2 Significant hazards
- 6.3 Physical environment and operating conditions for the installation as such and electrical equipment outside the processing equipment
- 6.4 Physical environment and operating conditions for electrical equipment caused by operation of the processing equipment
- 6.5 Power supply
- 6.6 Access
- 6.7 Ergonomic aspects
- 6.8 Transport and storage
- 6.9 Provisions for handling
- 6.10 Consumables and replaceable parts
- 7 Protection against hazards from electric shock [Go to Page]
- 7.1 General
- 7.2 Fundamental rule of protection
- 7.3 General provisions
- 7.4 Basic protection
- 7.5 Provisions for protection in electric single fault condition
- 7.6 Protective equipotential bonding
- 7.7 Additional provisions for fault protection for frequencies above 200 Hz
- 7.8 Currents in protective conductors
- 7.9 Touch current and touch voltage
- 7.10 Conductors and insulations at high temperature
- 7.11 Non-electric faults
- 8 Protection against hazards from electric or magnetic fields [Go to Page]
- 8.1 General
- 8.2 Magnetic fields
- 8.3 Magnetic fields below 1 Hz
- 8.4 Local electric fields
- 8.5 Requirements related to barriers and screens
- 8.6 Requirements related to objects worn, carried or held by persons
- 9 Protection against hazards from radiation [Go to Page]
- 9.1 General
- 9.2 Installation or equipment generating ionizing radiation
- 9.3 Ultraviolet radiation
- 9.4 Visible and infrared radiation
- 9.5 Laser sources
- 10 Protection against hazards from thermal influences [Go to Page]
- 10.1 General
- 10.2 Surface temperature limits for protection against burn
- 10.3 Hazards caused by working conditions
- 10.4 Temperature resistance of components
- 10.5 Cooling
- 10.6 Over-temperature protection
- 11 Protection against hazards from fire
- 12 Protection against hazards from fluids
- 13 Specific requirements for components and subassemblies [Go to Page]
- 13.1 General
- 13.2 Electrical equipment and conductors
- 13.3 Connection to the electrical supply network and internal connections
- 13.4 Isolation and switching
- 13.5 Sensors and actuators safeguarding moving parts
- 13.6 Motors
- 13.7 Non electric-heating means
- 13.8 Lighting
- 13.9 Structural parts and stability
- 13.10 Doors, windows and other openings
- 13.11 Transformers, inductors, capacitors
- 13.12 Handheld applicators
- 13.13 Vacuum systems
- 13.14 Protective and reactive gas generator
- 14 Control of the installation or equipment [Go to Page]
- 14.1 General
- 14.2 Operator control unit
- 14.3 Emergency stop
- 14.4 Control systems and their safety functions
- 14.5 Controlgear
- 14.6 Protective devices
- 14.7 Over-temperature protection devices and systems
- 14.8 Overpressure safety device
- 15 Protection against mechanical hazards
- 16 Protection against hazards resulting from use [Go to Page]
- 16.1 Particular hazards in processing of food, feed, cosmetics and similar intended for human or animal consumption
- 16.2 Combination equipment
- 17 EMC [Go to Page]
- 17.1 Radio frequency interference
- 17.2 Immunity
- 18 Verification and testing [Go to Page]
- 18.1 General
- Tables [Go to Page]
- Table 1 – Methods for the verification of requirements
- 18.2 Performing measurements and tests
- 18.3 Verification of requirements from references
- 18.4 Examination of drawings or calculations
- 18.5 Visual inspection
- 18.6 Measurements [Go to Page]
- 18.6.1 Environment and operating conditions inside the processing equipment
- 18.6.2 Impedance of protective bonding
- 18.6.3 Insulation resistance measurement
- Table 101 – Test voltages of the Insulation measurement
- Table 102 – Installation progress of EAF and LF [Go to Page]
- 18.6.4 Measurement of electric or magnetic fields
- 18.6.5 Touch current measurement
- 18.6.6 Measurement of ionising radiation
- 18.6.7 Measurement of non-coherent optical irradiation
- 18.6.8 Measurement of coherent optical radiation
- 18.6.9 Surface temperature measurement
- 18.6.10 Temperature of structural components subject to heat
- 18.7 Functional tests [Go to Page]
- 18.7.1 Protection by automatic disconnection of supply
- 18.7.2 Voltage test
- 18.7.3 Dielectric test
- 18.7.4 Accessibility of live parts
- 18.8 Numerical calculations and modelling
- 19 Information for use [Go to Page]
- 19.1 General requirements
- 19.2 Location and nature of the information for use
- 19.3 Signalling and warning devices
- 19.4 Markings, pictograms, written warnings
- 19.5 Instruction handbook
- Annex A (normative)Lists of significant hazards
- Annex B (normative)Limits to touch currents
- Annex C (normative)Non coherent optical radiation – Limits and risk classes
- Annex D (normative)Electric and magnetic fields
- Annex E (normative)Surface temperature limits
- Annex F (normative)EH, EMP and fire
- Annex G (normative)Marking and warning
- Annex H (normative)Guidelines on using this document
- Annex I (informative)Connection with ISO 13577 (all parts)
- Annex J (informative)Requirements specific to the EU and associated countries
- Annex AA (normative)Systems to assure improved safety for personnel working in the vicinity of electrodes and other live parts of secondary circuit
- Figures [Go to Page]
- Figure AA.1 – AC furnace supply according to design arrangements "a"
- Figure AA.2 – AC furnace supply according to design arrangements "b"
- Figure AA.3 – AC furnace supply according to design arrangements "c"
- Figure AA.4 – DC furnace supply according to design arrangements "d"
- Figure AA.5 – DC furnace supply according to design arrangements "e"
- Figure AA.6 – Six electrode AC furnace supply with current converteraccording to design arrangements "f"
- Annex BB (normative)Limits to touch currents
- Bibliography [Go to Page]
