1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFEBRUARY 20, 20141UL 2871Outline of Investigation for Electric Vehicle (EV) Service and ProductionChargersIssue Number: 1February 20, 2014Summary of TopicsThis First issue of the Outline of Inves
2、tigation for Electric Vehicle (EV)Service and Production Chargers, UL 2871, covers conductive chargingsystem equipment intended to be used in repair or production facilitiesand intended to be supplied by a branch circuit of 600 volts or less. Thesechargers are intended to supply power directly to th
3、e vehicle battery forthe purposes of diagnostic testing of the battery pack or to provide arecharge during or after servicing. These chargers are consideredfor indoor use only and are intended to be installed in accordance withthe National Electrical Code, ANSI/NFPA 70.ULs Outlines of Investigation
4、are copyrighted by UL. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive property of UL.COPYRIGH
5、T 2014 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFEBRUARY 20, 2014UL 28712No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTS
6、INTRODUCTION1 Scope .72 Glossary .73 General .103.1 Components 103.2 Units of measurement 103.3 References .11CONSTRUCTION4 Frame and Enclosure 114.1 General 114.2 Access covers 124.3 Cast metal enclosures .124.4 Sheet metal enclosures 134.5 Nonmetallic enclosures .154.6 Glass covered openings 164.7
7、 Openings for wiring 164.8 Openings in an enclosure 184.9 Enclosure bottom openings .184.10 Enclosure top openings .215 Protection of Users Accessibility of Uninsulated Live Parts, Film-Coated Wire, and Moving Parts and User Servicing .215.1 General 215.2 User servicing .286 Electric Shock from Stor
8、ed Energy .287 Mounting 308 Corrosion Protection .319 Mechanical Assembly 3110 Switches and Controls .3211 Supply Connections .3411.1 Fixed units 3411.2 Openings for conduit or cable connection .3711.3 Openings for Class 2 circuit conductors .3811.4 Cord-connected units .3811.5 Strain relief 3911.6
9、Bushings 3911.7 Identification .3912 Wire Bending Space 4013 External Connections and Wiring .4314 EV Bonding 4415 Equipment Grounding .4416 Bonding of Internal Parts 4617 Internal Wiring 4817.1 Wires .4817.2 Protection of wiring .4918 Current-Carrying Parts 4918.1 General .4918.2 Bus bars 50FEBRUAR
10、Y 20, 2014 UL 2871 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL18.3 Live heat sinks .5219 Electrical Connections .5320 Spacings 5420.1 General .5420.2 Insulation barriers 5721 Alternate Spacings Clearances and Creepage Distances 5822 Cont
11、rol Circuits .5823 Accessible Signal Circuits 6024 Transformers .6124.1 General .6124.2 Coil insulation 6225 Separation of Circuits .6425.1 Factory wiring 6425.2 Separation barriers .6525.3 Field wiring 6526 Overcurrent Protection 6626.1 General .6626.2 Control circuits .6727 Motors .6828 Capacitors
12、 .6929 Resistors 7030 Lampholders .7031 Printed Wiring Boards .7032 Insulating Materials .7133 Adhesives .7134 Protection of Service Personnel 7235 Electronic Protection Circuits .73PROTECTION OF USERS AGAINST INJURY36 General 7437 Sharp Edges .7538 Enclosures and Guards 7539 Materials .7640 Impact
13、Guards Over Moving Parts 7641 Drop Test 7642 Stability 7643 Static Load Test 7744 Strength of Handles .77PERFORMANCE45 General 7746 Leakage Current Test .7847 Leakage Current Test Following Humidity Conditioning 8248 Power Input Test .8249 Temperature Test .8350 Dielectric Voltage-Withstand Test .88
14、50.1 General .8850.2 Maximum-voltage measurements .8850.3 AC and DC power circuits .8850.4 Secondary circuits 8950.5 Induced potential .90FEBRUARY 20, 2014UL 28714UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL51 Volt-Ampere Capacity Measurem
15、ent 9052 Abnormal Tests .9152.1 General .9152.2 Transformer burnout test 9252.3 Transformer overload test .9452.4 Short circuit test 9552.5 Overcharge test 9652.6 Capacitor fault test .9652.7 Forced ventilation test 9652.8 Component short- and open-circuit test .9752.9 Electrolytic capacitor fault t
16、est .9752.10 Vibration test .9753 Flanged Bobbin Transformer Abnormal Test .9854 Strain Relief Tests .10054.1 General 10054.2 Strain relief pull test .10054.3 Strain relief push back test .10155 Flexing .10156 Grounding Impedance Test .10157 Overcurrent Protection Calibration Test .10258 Strength of
17、 Terminal Insulating Base and Support Test .10259 Bonding Conductor Test 10360 Impact on Glass Covered Openings .10461 Evaluation of Reduced Spacings on Printed-Wiring Boards .10461.1 General 10461.2 Shorted trace test .10462 Heat Sink Temperature Cycling Test .10463 Tests for Permanence of Cord Tag
18、 10563.1 General 10563.2 Test conditions .10563.3 Test method 10664 Tests on Transformer Insulating Materials 10665 Bus Bar Tests .10666 Harmonic Distortion Test .10767 Impact Guards Over Moving Parts Test .10868 Drop Test .10869 Stability Tests .10970 Static Load Test .10971 Strength of Handles Tes
19、t .110MANUFACTURING AND PRODUCTION TESTS72 Production-Line Dielectric Voltage-Withstand Test .11073 Production-Line Grounding-Continuity Test .111RATINGS74 Details .112FEBRUARY 20, 2014 UL 2871 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL
20、MARKING75 Details .11275.1 General 11275.2 Content 11275.3 Cautionary markings .115INSTRUCTIONS76 Instruction Manual .11877 Important Safety Instructions 11878 Assembly Instructions 12579 Operating Instructions 12580 Maintenance Instructions .12581 Moving and Storage Instructions .126FEBRUARY 20, 20
21、14UL 28716UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover conductive charging system equipment intended to be used in repair orproduction facilities and intended to be supplied by a branch circui
22、t of 600 volts or less. These chargersare intended to supply power directly to the vehicle battery for the purposes of diagnostic testing of thebattery pack or to provide a recharge during or after servicing. These chargers are considered for indooruse only and are intended to be installed in accord
23、ance with the National Electrical Code, ANSI/NFPA 70.1.2 For the purposes of this Outline, the term “electric vehicle”, designated throughout by the initials “EV”,is considered to cover electric vehicles, hybrid electric vehicles, and plug-in versions of these vehicles.1.3 As these chargers are not
24、intended for use by the general public, and they are not intended for normalcharging of electric vehicle batteries, they are not considered to fall under the scope of Article 625 of theNational Electrical Code, NFPA 70.1.4 These requirements do not cover battery chargers covered by the Standard for
25、Battery Chargers forCharging Engine-Starter Batteries, UL 1236, or the Standard for Industrial Battery Chargers, UL 1564.These requirements do not cover electric vehicle battery chargers covered by the Standard for ElectricVehicle (EV) Charging System Equipment, UL 2202. These requirements do not co
26、ver electric vehiclesupply equipment covered by the Standard for Electric Vehicle Supply Equipment, UL 2594.2 Glossary2.1 In the text of this Outline, the term “unit” refers to any product covered by this Outline. The letters “EV”refer to an electric vehicle, a hybrid electric vehicle, or plug-in ve
27、rsions of these vehicles in accordancewith 1.2. For the purpose of this Outline, the definitions in 2.2 2.33 apply.2.2 ACCESSIBLE Able to be contacted by an accessibility probe.2.3 BARRIER A part inside an enclosure that reduces access to a part that involves a risk of fire,electric shock, injury to
28、 persons, or electrical energy high current levels.2.4 BATTERY, EV A battery in which there is no need for venting excessive gas pressure in thenormal operating condition. Any vents provided are used for venting of gases in the abnormal conditiononly.2.5 BRANCH CIRCUIT The portion of the building wi
29、ring system beyond the final overcurrentprotective device on the power-distribution panel that protects the circuit to the field-wiring terminals in apermanently connected unit or to the receptacle outlet for a cord-connected unit.2.6 CELL Two electrodes of dissimilar material separated from one ano
30、ther by a common ionicallyconductive electrolyte, that are intended to convert chemical energy directly into electrical energy.2.7 CLASS 2 TRANSFORMER A step-down transformer complying with the applicable requirementsin:a) The Standard for Low Voltage Transformers, Part 1: General Requirements, UL 5
31、085-1, andthe Standard for Low Voltage Transformers, Part 3: Class 2 and Class 3 Transformers, UL5085-3, orb) The Standard for Class 2 Power Units, UL 1310.FEBRUARY 20, 2014 UL 2871 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.8 CONTROL
32、CIRCUIT A circuit that carries electric signals but not main power current.2.9 DOUBLE INSULATION An insulation system comprised of both basic insulation andsupplementary insulation.2.10 ELECTRIC VEHICLE (EV) An over-the-road automotive-type vehicle for highway use, such asa passenger automobile, bus
33、, truck, van, or similar vehicle, which receives primary or supplementarypower from an electric motor that draws current from a rechargeable storage battery. This term is usedto cover electric vehicles, hybrid electric vehicles and plug-in versions of these vehicles in accordancewith 1.2.2.11 ELECTR
34、OLYTE A semisolid, liquid, or aqueous salt solution that makes ionic conductionbetween positive and negative electrodes of a cell possible.2.12 ENCLOSURE That portion of a unit that reduces the accessibility of a part that involves a riskof fire, electric shock or injury to persons, or reduces the r
35、isk of propagation of flame, sparks, andmolten metal initiated by an electrical disturbance occurring within.2.13 EXPOSED Visible and able to be contacted by an accessibility probe.2.14 FIELD-WIRING LEAD Any lead to which a supply, load, or other wire is intended to beconnected by an installer.2.15
36、FIELD-WIRING TERMINAL A terminal to which a supply, load, or other wire is intended to beconnected by an installer.2.16 FIXED UNIT A unit that is intended to be permanently connected electrically.2.17 GUARD A part that reduces access to a component that results in a risk of injury to persons.See Enc
37、losures and Guards, Section 38.2.18 LEAKAGE CURRENT Electric current which flows through a person upon contact, betweenaccessible parts of a unit and:a) Ground, orb) Other accessible parts of the unit.2.19 LIMITED-ENERGY CIRCUIT An ac or dc circuit having a voltage not exceeding 1000 volts andthe en
38、ergy limited to 100 volt-amperes by either a secondary winding of a transformer, one or moreresistors complying with 22.10, or a regulating network complying with 22.11.2.20 LIVE PART A conductive part, such as metal, within the unit that during intended use has apotential difference with respect to
39、 earth ground or any other conductive part.2.21 LOW-VOLTAGE, LIMITED-ENERGY (LVLE) CIRCUIT A circuit involving an alternating currentvoltage of not more than 30 volts, rms (42.4 volts peak) or a direct current voltage of not more than 60volts and supplied by:a) An inherently limited Class 2 transfor
40、mer or power unit or a not inherently limited Class 2transformer or power unit and an overcurrent protective device that is:1) Not of the automatic reclosing type,FEBRUARY 20, 2014UL 28718UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2) Trip
41、-free from the reclosing mechanism, and3) Either not readily interchangeable with a device of a different rating or a marking inaccordance with 75.3.8 is provided; orb) A combination of an isolated transformer secondary winding and one or more resistors or aregulating network complying with 22.11 th
42、at complies with all the performance requirements foran inherently limited Class 2 transformer or power source.2.22 MEASUREMENT INDICATION UNIT (MIU) The output voltage across the meter, in millivoltsrms, in the measurement instrument in Figure 46.3, divided by 500 ohms. (The instrument indication i
43、sequal to the rms value in milliamperes when the frequency is 60 Hz (sinusoidal current). The reading isnot always a direct indication of the rms or other common amplitude quantifier of leakage current whenthe leakage current is of complex waveform or frequency other than 50 or 60 Hz.)2.23 PORTABLE
44、UNIT A unit that has no provisions for permanent mounting or wiring, and is easilycarried or conveyed by hand and whose input rating does not exceed 16 ampere, 120 V ac.2.24 PRESSURE TERMINAL CONNECTOR A field wiring terminal that accomplishes the connectionof one or more conductors by means of pres
45、sure without the use of solder. Examples of pressureterminal connectors are barrel and setscrew type, crimp-type barrel, and clamping plate and screw type.2.25 PRIMARY CIRCUIT Wiring and components that are conductively connected to a branchcircuit.2.26 RISK OF ELECTRICAL ENERGY HIGH CURRENT LEVELS
46、The capability for damage toproperty or injury to persons, other than by electric shock, from available electrical energy exists whenbetween a live part and an adjacent dead metal part or between live parts of different polarity, thereexists a potential of 2 volts or more and either an available con
47、tinuous power level of 240 volt-amperesor more, or a reactive energy level of 20 joules or more. For example, a tool, or other metal short-circuiting a component causes a risk of a burn or a fire when enough energy is available at thecomponent to vaporize, melt, or more than warm the metal.2.27 RISK
48、 OF ELECTRIC SHOCK A risk of shock exists at a part of a product under conditionswhere:a) There is current greater than the maximum permitted threshold current for the type ofprotector in a resistance of 500 ohms or more connected between the part in question and thegrounded supply conductor,b) The
49、device does not operate to open the circuit to the 500-ohm resistor within the timeallowed considering the type of current (DC, 60 Hz frequency, and similar types),c) A path to ground is detected on a device used on an ungrounded supply, ord) The grounding path is interrupted.2.28 RISK OF FIRE A risk of fire is determined to exist at any component unless an investigation ofthe supply delivering power to that component complies with the criteria in 22.4 22.12.2.29 SAFETY CIRCUIT Any primary or secondary ci
