UL SUBJECT 2736-2010 OUTLINE OF INVESTIGATION FOR SINGLE POLE SEPARABLE INTERCONNECTING CABLE CONNECTORS FOR USE WITH WIND TURBINE GENERATING SYSTEMS (Issue 1)《与风力涡轮发电系统搭配使用的单极可分离互.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 28, 20101SUBJECT 2736OUTLINE OF INVESTIGATIONFORSINGLE POLE SEPARABLE INTERCONNECTING CABLE CONNECTORSFOR USE WITH WIND TURBINE GENERATING SYSTEMSIssue No. 1May 28, 2010Summary of TopicsThis

2、is the first issue of the Outline of Investigation for Single PoleSeparable Interconnecting Cable Connectors for Use with Wind TurbineGenerating Systems.COPYRIGHT 2010 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM

3、 ULMAY 28, 2010SUBJECT 27362No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Definitions 53 Symbols and Abbreviations 64 Components 75 Reference Publications 76 Units of Measurement .7CONSTRUC

4、TION7 General 78 Mating and Intermateability .89 Insulating Material .910 Current-Carrying Parts 1011 Male and Female Cable Connectors Designated for Connection to the Identified Grounding(Green/Grounding) Circuit Conductor .1112 Terminals 1113 Accessibility of Live Parts 1214 Resistance to Corrosio

5、n .1415 Assembly 1416 Reserved 1417 Enclosure Rating .14PERFORMANCE18 Representative Devices .1519 Moisture Absorption Resistance Test .1620 Dielectric Voltage-Withstand Test .1621 Mold Stress Relief Test 1722 Current Cycling Test 1823 Secureness and Pull Tests .1924 Temperature Rise Test 2125 Stres

6、s Corrosion/Moist Ammonia (NH4) Test .2126 Resistance to Corrosion Test .2227 Short-Time High Current Test 2228 Secureness of Enclosure Test 2329 Drop Test 2430 Latching Test .2431 Reserved 2532 Enclosure Tests for Environmental Protection .25MARKINGS AND INSTALLATION INSTRUCTIONS33 General 25APPEND

7、IX AStandards for ComponentsA1MAY 28, 2010 SUBJECT 2736 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This outline covers single pole separable interconnecting cable connectors rated minimum 300amperes up to a maximum

8、 of 1000 amperes and up to 750 volts ac or dc, intended for interconnection ofindividual power cables within tower sections of a Wind Turbine Generating System (WTGS).1.2 This outline also covers single pole separable interconnecting cable connectors intended forconnection to grounding circuit condu

9、ctors in applications identified in 1.1.1.3 For the purpose of this outline, separable interconnecting cable connectors consist of mating halfdevices.1.4 These devices are not intended for connection or disconnection under load conditions.1.5 Single pole separable interconnecting cable connectors ha

10、ve not been investigated for cables that aresubject to movement, flexing, or twisting during operation of the wind turbine.1.6 Single pole separable interconnecting cable connectors shall be supported at intervals to inhibit strainto individual terminals and interconnection of connections within the

11、 tower section or sections of a WTGS.1.7 These devices are not intended for use in hazardous locations.1.8 This outline does not cover:a) Plugs, Receptacles, and Cable Connectors, of the Pin and Sleeve Type covered by theStandard for Plugs, Receptacles, and Cable Connectors, of the Pin and Sleeve Ty

12、pe, UL 1682;b) Devices molded integrally with flexible cord or cable that are covered by the Standard forCord Sets and Power-Supply Cords, UL 817;c) Single and multi-pole connectors, which may include 3 or more pilot contacts, intended forconnection to copper conductors, for use in data, signal, con

13、trol and power applications withinand between electrical equipment, where exposed, that are covered by the Standard forComponent Connectors for Use in Data, Signal, Control and Power Applications, UL 1977;d) Devices intended for use in hazardous (Classified) locations that are covered by theStandard

14、 for Receptacle-Plug Combinations for Use in Hazardous (Classified) Locations, UL1010; ore) Devices such as wire connectors and soldering lugs that are covered by the Standard forWire Connectors, UL 486A-486B; the Standard for Splicing Wire Connectors, UL 486C; or theStandard for Equipment Wiring Te

15、rminals for Use with Aluminum and/or Copper Conductors, UL486E.MAY 28, 2010SUBJECT 27364UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2 Definitions2.1 For the purpose of this outline, the following definitions apply.2.2 CIRCULAR MIL (CMIL) T

16、he area of a circle with a diameter of 0.001 inch.2.3 CONFIGURATION, KEYING A deliberate means of the housing construction so that electricalcontinuity between respective and similarly marked terminals is established when mating connectors.2.4 CONFIGURATION, LOCKING A configuration that requires a d

17、eliberate mechanical action suchas that required by a threaded collar, a mechanical lock or a latching-mechanism with audible indicationof engagement or separation when used with its mating part.2.5 CONNECTOR, FEMALE A device consisting of a female contact and a housing, intended to beattached to on

18、e end of a cable.2.6 CONNECTOR, MALE A device consisting of a male contact and a housing, intended to beattached to one end of a cable.2.7 CONTACT A conductive element in a connector that mates with a corresponding component toprovide an electrical path.2.8 CRIMPING DIE That part of a crimping tool,

19、 which forms the crimp(s) and usually incorporatesthe crimp anvil(s), the crimp indentor(s), and the positioner.2.9 ENCLOSURE The case or housing that renders inaccessible parts of the connector that mayotherwise present a risk of electrical shock. It also provides protection to internal components

20、againstspecified environmental conditions.2.10 ENCLOSURE, RATING “IP” Products in this category are marked with an ingress protection(IP) code, consisting of the letters IP, followed by two characteristic numerals representing the level ofprotection from specified external conditions.2.11 ENCLOSURE,

21、 “TYPE” NUMBER Products in this category are marked with an operatingenvironment type number or numbers representing the level of protection from specified externalconditions.2.12 GROUNDING PATH A path between the grounding connector and the grounding terminal.2.13 INSULATION, ELECTRICAL The insulat

22、ion necessary for the proper functioning of the deviceand for basic protection against electrical shock.2.14 INSULATOR That portion of a device that provides for support and insulation of live parts.2.15 LOCKING MEANS A mechanical arrangement that holds a male or female connector in positionwhen it

23、is in proper engagement and is intended to reduce the likelihood of its unintentional withdrawal.It may also facilitate environmental sealing.2.16 RATED CURRENT (AMPERE RATING) The maximum current rating assigned to a separableinterconnecting cable connector by the manufacturer.2.17 SEPARABLE INTERC

24、ONNECTING CABLE CONNECTOR The complete assembly of both themale and female connectors.MAY 28, 2010 SUBJECT 2736 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.18 TEMPERATURE RISE Denotes the difference of the temperature of the interconnec

25、ting cableconnector, measured under load, from the ambient temperature.2.19 TERMINAL A conductive part provided for the attachment of a conductor to either a male orfemale connector.2.20 TERMINAL, CRIMP A terminal in which the conductor is inserted into a hole or cavity, andcompressed by a tool and

26、permanently deformed to attach the conductor.2.21 TERMINAL, MECHANICAL DOUBLE SET SCREW A terminal in which the conductor isinserted into a hole or cavity where it is clamped under the shank of two set screws. The clampingpressure may be applied directly by the shank of the screws or through an inte

27、rmediate clampingmember or shim to which pressure is applied by the shank of the screws.2.22 VOLTAGE RATING The maximum voltage rating of a separable interconnecting cableconnector assigned by the manufacturer.3 Symbols and Abbreviations3.1 Table 3.1 lists symbols and abbreviations used in this outl

28、ine.Table 3.1Symbols and abbreviations DegreeA Amps, AmperesAl AluminumAWG/kcmil American Wire Gage/gaugeC CelsiusCu CopperF FahrenheitNH4Moist ammoniaHz Hertz, cycles per secondin Inch, InchesWTGS Wind Turbine Generating SystemIP Ingress ProtectionMAY 28, 2010SUBJECT 27366UL COPYRIGHTED MATERIAL NO

29、T AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4 Components4.1 Except as indicated in 4.2, a component of a product covered by this Outline shall comply with therequirements for that component. See Appendix A for a list of standards covering components generallyused i

30、n the products covered by this outline.4.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this Outline; orb) Is superseded by a requirement in this Outline.4.3 A

31、component shall be used in accordance with its rating established for the intended conditions ofuse.4.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatur

32、es notexceeding specified limits, and shall be used only under those specific conditions.4.5 Components and subassemblies of the overall WTGS shall be evaluated and found suitable foroperation over the normal range of electrical and environmental conditions as specified by the WTGSmanufacturer.5 Ref

33、erence Publications5.1 Where reference is made to standards, such reference shall be considered to refer to the latestedition and all amendments published to that edition up to the time when this standard was approved.6 Units of Measurement6.1 The values given in metric (SI) units shall be normative

34、 Any other values given shall be forinformation purposes only.CONSTRUCTION7 General7.1 The ratings mentioned throughout this outline represent the maximum current and voltage for aseparable interconnecting cable connector under continuous duty. A separable interconnecting cableconnector is consider

35、ed to be for use with either alternating or direct current unless the rating includes amarking to restrict the use to alternating current. See 33.4.7.2 Separable interconnecting cable connectors shall be rated in amperes and in volts, ac or dc, or bothac and dc. The maximum marked ampere rating of t

36、he connector shall not exceed the ampacity for theintended conductor size and type as shown in Table 7.1.MAY 28, 2010 SUBJECT 2736 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 7.1Connector rating based upon conductor type and ampacit

37、yConductor size Ampacity of single conductor cable,90CMaximum connector rating, AAWG/kcmil (mm2) Copper Aluminum orcopper-cladaluminumCopper Aluminum orcopper-cladaluminum2/0 (67.4) 300 300 3/0 (85.0) 350 350 4/0 (107) 405 315 405 315250 (127) 455 355 455 355300 (152) 505 395 505 395350 (177) 570 44

38、5 570 445400 (203) 615 480 615 480500 (253) 700 545 700 545600 (304) 780 615 780 615700 (355) 855 675 855 675750 (380) 855 700 855 700800 (405) 920 725 920 725900 (456) 985 785 985 7851000 (507) 1000 845 1000 8451250 (633) 1000 960 1000 9607.3 Separable interconnecting cable connectors are intended

39、for use with Type RHW-2 cable only, notexceeding the ampacity of insulated single conductor rated 90C as shown in Table 7.1.8 Mating and Intermateability8.1 Separable interconnecting cable connectors shall be constructed so that electrical continuity betweenrespective and similarly marked terminals

40、is established when mating male and female connectors areconnected together.8.2 A female connector shall not permit a male connector other than one that is specifically intended foruse with the female connector to be inserted to the extent that electrical contact is established.8.3 Male and female c

41、onnectors that have different electrical ratings or are produced by differentmanufacturers shall not be interchangeable with one another.8.4 Separable interconnecting cable connectors shall:a) Have a mechanical means, such as a lock or latch, that prevents unintentional separationwhen mating halves

42、are fully engaged in the mated condition and shall comply with theSecureness of Enclosure, Drop, and Latching Tests specified in Sections 28, 29, and 30,respectively, andb) Be keyed to limit interconnection to only the intended circuit, as specified by phase, voltage,and current.MAY 28, 2010SUBJECT

43、27368UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8.5 Means shall be provided for retaining live parts within limits of alignment that ensure that male cableconnectors will enter female cable connectors in the intended manner.9 Insulating M

44、aterial9.1 A polymeric material used for electrical insulation, an internal barrier necessary to maintain electricalclearances and creepage distances, or an enclosure of live parts:a) Shall have a minimum flame class rating of V-1 in accordance with the requirements of theStandard for Tests for Flam

45、mability of Plastic Materials for Parts in Devices and Appliances, UL94. The flammability classification shall be judged at the actual minimum thickness employedwithin 0.8 mm (1/32 inch) of live parts within the device, andb) Shall comply with the Hot Wire Ignition (HWI), High-Current Arc Resistance

46、 to Ignition (HAI),and Comparative Tracking Index (CTI) values indicated in Table 9.1.Exception No. 1: Those materials without HWI Performance Level Category (PLC) values or with HWIPLC values higher (worse) than those required by Table 9.1 shall alternatively be subjected to theGlow-Wire Resistance

47、 to Ignition Test described in the Standard for Polymeric Materials Short TermProperty Evaluations, UL 746A with a glow wire at a temperature of 750C. As a result of this test, thereshall not be ignition of the insulating material during 30 seconds of application of the probe.Exception No. 2: Those

48、materials without HAI Performance Level Category (PLC) values or with HAI PLCvalues higher (worse) than those required by Table 9.1 shall alternatively be subjected to the end-productSpecial Arcing Test in accordance with the Standard for Polymeric Materials Use in Electrical EquipmentEvaluations, U

49、L 746C.Exception No. 3: Those materials without CTI Performance Level Category (PLC) values or with CTI PLCvalues higher (worse) than the CTI required by Table 9.1 shall alternatively be subjected to theend-product Special Arcing Test in accordance with the Standard for Polymeric Materials ElectricalEquipment Evaluations, UL 746C.Table 9.1Hot wire ignition (HWI), high-current arc resistance to ignition (HAI) and comparative trackingindex (CTI) ratings of insulating materialsFlammabilityclassificationaHWIbHAIcCTIMean ignitio