1、 IEC 60204-32Edition 2.0 2008-03INTERNATIONAL STANDARD NORME INTERNATIONALESafety of machinery Electrical equipment of machines Part 32: Requirements for hoisting machines Scurit des machines Equipement lectrique des machines Partie 32: Exigences pour les appareils de levage IEC60204-32:2008 THIS PU
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16、contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60204-32Edition 2.0 2008-03INTERNATIONAL STANDARD NORME INTERNATIONALESafety of machinery Electrical equipment of machines Part 32: Requirements for hoisting machines Scurit des machines Equipement lectrique des machine
17、s Partie 32: Exigences pour les appareils de levage INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XFICS 29.020; 53.020.01 PRICE CODECODE PRIXISBN 2-8318-9630-4 2 60204-32 IEC:2008 CONTENTS FOREWORD.9 INTRODUCTION.11 1 Scope.14 2 Normative references15 3 Terms a
18、nd definitions .18 4 General requirements .26 4.1 General considerations 26 4.2 Selection of equipment 27 4.2.1 General .27 4.2.2 Selection of power contactors 27 4.2.3 Electrical equipment in compliance with the IEC 60439 series 27 4.3 Electrical supply 27 4.3.1 General .27 4.3.2 AC supplies .27 4.
19、3.3 DC supplies .28 4.3.4 On-board power supply28 4.4 Physical environment and operating conditions 29 4.4.1 General .29 4.4.2 Electromagnetic compatibility (EMC) 29 4.4.3 Ambient air temperature.30 4.4.4 Humidity 30 4.4.5 Altitude 30 4.4.6 Contaminants 30 4.4.7 Ionizing and non-ionizing radiation .
20、30 4.4.8 Vibration, shock, and bump30 4.5 Transportation and storage 30 4.6 Provisions for handling 31 4.7 Installation.31 5 Incoming supply conductor terminations and devices for disconnecting and switching off .31 5.1 Incoming supply conductor terminations.31 5.2 Terminal for connection to the ext
21、ernal protective earthing system .31 5.3 Supply disconnecting and switching devices.32 5.3.1 General .32 5.3.2 Type 32 5.3.3 Requirements 34 5.3.4 Operating means .34 5.3.5 Crane-supply-switch.34 5.3.6 Crane-disconnector35 5.3.7 Crane-switch36 5.3.8 Special circuits 37 5.4 Devices for switching off
22、for prevention of unexpected start-up.37 5.5 Devices for disconnecting electrical equipment 38 5.6 Protection against unauthorized, inadvertent and/or mistaken connection.39 6 Protection against electric shock.39 6.1 General .39 60204-32 IEC:2008 3 6.2 Protection against direct contact 39 6.2.1 Gene
23、ral .39 6.2.2 Protection by enclosures39 6.2.3 Protection by insulation of live parts .40 6.2.4 Protection against residual voltages .41 6.2.5 Protection by barriers.41 6.2.6 Protection by placing out of reach or protection by obstacles 41 6.3 Protection against indirect contact .41 6.3.1 General .4
24、1 6.3.2 Prevention of the occurrence of a touch voltage .42 6.3.3 Protection by automatic disconnection of supply.42 6.4 Protection by the use of PELV43 6.4.1 General requirements 43 6.4.2 Sources for PELV 43 7 Protection of equipment 43 7.1 General .43 7.2 Overcurrent protection .44 7.2.1 General .
25、44 7.2.2 Supply conductors .44 7.2.3 Power circuits 44 7.2.4 Control circuits.45 7.2.5 Socket outlets and their associated conductors 45 7.2.6 Lighting circuits45 7.2.7 Transformers.45 7.2.8 Location of overcurrent protective devices45 7.2.9 Overcurrent protective devices.45 7.2.10 Rating and settin
26、g of overcurrent protective devices.46 7.3 Protection of motors against overheating .46 7.3.1 General .46 7.3.2 Overload protection47 7.3.3 Over-temperature protection 47 7.3.4 Current limiting protection 47 7.4 Abnormal temperature protection .47 7.5 Protection against supply interruption or voltag
27、e reduction and subsequent restoration .47 7.6 Motor overspeed protection48 7.7 Earth fault/residual current protection.48 7.8 Phase-sequence protection48 7.9 Protection against switching surges and lightning.48 8 Equipotential bonding .49 8.1 General .49 8.2 Protective bonding circuit.51 8.2.1 Gene
28、ral .51 8.2.2 Protective conductors 51 8.2.3 Continuity of the protective bonding circuit .52 8.2.4 Exclusion of switching devices from the protective bonding circuit 52 8.2.5 Parts that need not be connected to the protective bonding circuit 53 8.2.6 Protective conductor connecting points 53 4 6020
29、4-32 IEC:2008 8.2.7 Additional protective bonding requirements for electrical equipment having earth leakage currents higher than 10 mA a.c. or d.c.53 8.3 Functional bonding 54 8.4 Measures to limit the effects of high leakage current 54 9 Control circuits and control functions.54 9.1 Control circui
30、ts 54 9.1.1 Control circuit supply .54 9.1.2 Control circuit voltages.54 9.1.3 Protection 55 9.2 Control functions .55 9.2.1 Start functions .55 9.2.2 Stop functions55 9.2.3 Operating modes .55 9.2.4 Suspension of safeguarding.55 9.2.5 Operation 56 9.2.6 Other control functions.58 9.2.7 Cableless co
31、ntrols .59 9.3 Protective interlocks 61 9.3.1 Reclosing or resetting of an interlocking safeguard.61 9.3.2 Exceeding operating limits .61 9.3.3 Operation of auxiliary functions 62 9.3.4 Interlocks between different operations and for contrary motions 62 9.3.5 Reverse current braking.62 9.4 Control f
32、unctions in the event of failure 62 9.4.1 General requirements 62 9.4.2 Measures to minimize risk in the event of failure 63 9.4.3 Protection against mal-operation due to earth faults, voltage interruptions, and loss of circuit continuity 64 9.4.4 Protection against mal-operation of a motion control
33、 system.66 10 Operator interface and hoisting machine mounted control devices.66 10.1 General .66 10.1.1 General device requirements .66 10.1.2 Location and mounting.66 10.1.3 Protection 67 10.1.4 Position sensors 67 10.1.5 Portable and pendant control stations 67 10.2 Push-buttons .67 10.2.1 Colour
34、s67 10.2.2 Markings68 10.3 Indicator lights and displays.69 10.3.1 General .69 10.3.2 Colours69 10.3.3 Flashing lights and displays .70 10.4 Illuminated push-buttons70 10.5 Rotary control devices .70 10.6 Start devices .70 10.7 Emergency stop devices 70 10.7.1 Location of emergency stop devices.70 1
35、0.7.2 Types of emergency stop device 71 60204-32 IEC:2008 5 10.7.3 Colour of actuators 71 10.7.4 Local operation of the crane-supply-switch and the crane-disconnector to effect emergency stop71 10.8 Emergency switching-off devices .71 10.8.1 Location of emergency switching-off devices 71 10.8.2 Type
36、s of emergency switching off device71 10.8.3 Colour of actuators 72 10.8.4 Local operation of the crane-supply-switch and the crane-disconnector to effect emergency switching off .72 10.9 Enabling control device72 11 Controlgear: location, mounting, and enclosures .72 11.1 General requirements 72 11
37、.2 Location and mounting.73 11.2.1 Accessibility and maintenance73 11.2.2 Physical separation or grouping .73 11.2.3 Heating effects 74 11.3 Degrees of protection 74 11.4 Enclosures, doors and openings 74 11.5 Access to switchgear and to controlgear 75 11.5.1 General .75 11.5.2 Access to gangways 75
38、 11.5.3 Gangways in front of switchgear and controlgear76 11.5.4 Gangway and door restrictions .76 12 Conductors and cables .76 12.1 General requirements 76 12.2 Conductors76 12.3 Insulation.77 12.4 Current-carrying capacity in normal service78 12.5 Voltage drop79 12.6 Flexible cables.80 12.6.1 Gene
39、ral .80 12.6.2 Mechanical rating.80 12.6.3 Current-carrying capacity of cables wound on drums 80 12.7 Conductor wires, conductor bars and slip-ring assemblies81 12.7.1 Protection against direct contact 81 12.7.2 Protective conductor circuit 83 12.7.3 Protective conductor current collectors.83 12.7.4
40、 Removable current collectors with a disconnector function .83 12.7.5 Clearances in air83 12.7.6 Creepage distances .83 12.7.7 Conductor system sectioning .84 12.7.8 Construction and installation of conductor wire, conductor bar systems and slip-ring assemblies 84 13 Wiring practices84 13.1 Connecti
41、ons and routing 84 13.1.1 General requirements 84 13.1.2 Conductor and cable runs 85 13.1.3 Conductors of different circuits.85 13.1.4 Connection between pick-up and pick-up converter of an inductive power supply system85 6 60204-32 IEC:2008 13.2 Identification of conductors 86 13.2.1 General requir
42、ements 86 13.2.2 Identification of the protective conductor 86 13.2.3 Identification of the neutral conductor.86 13.2.4 Identification by colour .86 13.3 Wiring inside enclosures87 13.4 Wiring outside enclosures87 13.4.1 General requirements 87 13.4.2 External ducts87 13.4.3 Connection to the hoisti
43、ng machine and to moving elements on the hoisting machine88 13.4.4 Interconnection of devices on the hoisting machine 89 13.4.5 Plug/socket combinations 89 13.4.6 Dismantling for shipment90 13.4.7 Additional conductors.90 13.5 Ducts, connection boxes and other boxes 90 13.5.1 General requirements 90
44、 13.5.2 Percentage fill of ducts 91 13.5.3 Rigid metal conduits and fittings.91 13.5.4 Flexible metal conduits and fittings.91 13.5.5 Flexible non-metallic conduits and fittings 91 13.5.6 Cable trunking systems91 13.5.7 Hoisting machine compartments and cable trunking systems92 13.5.8 Connection box
45、es and other boxes.92 13.5.9 Motor connection boxes .92 14 Electric motors and associated equipment 92 14.1 General requirements 92 14.2 Motor enclosures .92 14.3 Motor dimensions 92 14.4 Motor mounting and compartments 92 14.5 Criteria for motor selection.93 14.6 Protective devices for mechanical b
46、rakes.93 14.7 Electrically operated mechanical brakes.93 15 Accessories and lighting .94 15.1 Accessories.94 15.2 Local lighting on the hoisting machine and for the equipment .94 15.2.1 General .94 15.2.2 Supply .94 15.2.3 Protection 95 15.2.4 Fittings 95 16 Marking, warning signs and reference desi
47、gnations.95 16.1 General .95 16.2 Warning signs .95 16.2.1 Electric shock hazard.95 16.2.2 Hot surfaces hazard.95 16.3 Functional identification .96 16.4 Marking of equipment 96 16.5 Reference designations .96 17 Documentation .96 60204-32 IEC:2008 7 17.1 General .96 17.2 Information to be provided
48、.97 17.3 Requirements applicable to all documentation97 17.4 Installation documents .98 17.5 Overview diagrams and function diagrams .98 17.6 Circuit diagrams 99 17.7 Operating manual 99 17.8 Maintenance manual99 17.9 Parts list99 18 Verification .100 18.1 General .100 18.2 Verification of condition
49、s for protection by automatic disconnection of supply .100 18.2.1 General .100 18.2.2 Test methods in TN-systems100 18.2.3 Application of the test methods for TN-systems101 18.3 Insulation resistance tests .103 18.4 Voltage tests .103 18.5 Protection against residual voltages.104 18.6 Functional tests .104 18.7 Retesting.104 Annex A (normative) Protection against indirect contact in TN-systems.105 Annex B (informative) Inquiry form for the electric
