ASTM F2361-2018 Standard Guide for Ordering Low Voltage (1000 VAC or Less) Alternating Current Electric Motors for Shipboard Service&x2014 Up to and Including M.pdf

1、Designation: F2361 03 (Reapproved 2013)F2361 18 An American National StandardStandard Guide forOrdering Low Voltage (1000 VAC or Less) AlternatingCurrent Electric Motors for Shipboard ServiceUp to andIncluding Motors of 500 Horsepower1This standard is issued under the fixed designation F2361; the nu

2、mber immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scop

3、e1.1 This guide covers the required basic ordering information for low voltage (1000 VAC or less) general-purpose, commercial,universal, smallsmall-, and medium sized medium-sized alternating current electric motors for shipboard use, up to and includingmotors of 500 hp.1.2 The electric motors cover

4、ed by this guide are general-purpose (GP) motors intended to drive common shipboard mechanicalmachinery such as fans, blowers, centrifugal and screw pumps.1.3 This guide is not intended to be used to order special-purpose (SP) motors or definite-purpose motors (for example,cryogenic service) or moto

5、rs for use in hazardous (classified) locations as defined by the National Electrical Code (NFPA 70).1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety, health,

6、 and environmental practices and determine the applicability ofregulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International S

7、tandards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 Canadian Standards Association (CSA):2CSA Standard C390-93C Energy Efficiency Test Methods for Three-Phase Induction Motors General Instruction No.12.2 In

8、stitute of Electrical and Electronic Engineers (IEEE):3IEEE Standard 45 Recommended Practice for Electrical Installations on ShipboardIEEE Standard 112 Standard TestProcedure for Polyphase Induction Motors and Generators2.3 National Electrical Manufacturers Association (NEMA) Standard:4NEMA Standard

9、 MG-l Motors and Generators2.4 National Fire Protection Association (NFPA):5NFPA 70 National Electrical Code3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 closed-coupledclosed-coupled, na special design where the motor features a face mounting flange that the pumpcasing mount

10、s to, and a motor shaft extension on which the pump impeller is mounted.3.1.2 dripproofdripproof, na machine enclosure that allows the motor to be cooled by ambient air having ventilationopenings that allow operation when drops of liquid or solid particles strike the enclosure at any angle from zero

11、 to 15.1 This guide is under the jurisdiction of ASTM Committee F25 on Ships and Marine Technology and is the direct responsibility of Subcommittee F25.10 on Electrical.Current edition approved Oct. 1, 2013Nov. 1, 2018. Published October 2013November 2018. Originally approved in 2003. Last previous

12、edition approved in 20092013as F2361 03 (2009).(2013). DOI: 10.1520/F2361-03R13.10.1520/F2361-18.2 Available from Canadian Standards Association (CSA), 5060 Spectrum Way, Mississauga, ON L4W 5N6, Canada, http:/www.csa.ca.178 Rexdale Blvd., Toronto, ONM9W 1R3, Canada, http:/www.csagroup.org.3 Availab

13、le from Institute of Electrical and Electronics Engineers, Inc. (IEEE), 445 Hoes Ln., P.O. Box 1331, Piscataway, NJ 08854-1331,08854-4141, http:/www.ieee.org.4 Available from National Electrical Manufacturers Association (NEMA), 1300 N. 17th St., Suite 1752, Rosslyn,900, Arlington, VA 22209, http:/w

14、ww.nema.org.5 Available from National Fire Protection Association (NFPA), 1 Batterymarch Park, Quincy, MA 02169-7471, http:/www.nfpa.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous ver

15、sion. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM Internatio

16、nal, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.1.3 drive methodmethod, nthe method of driving the equipment, such as direct, belt, gearbox, or chain.3.1.4 effciency classesclasses, nstandard efficiency classes established by NEMA based on motor performance

17、3.1.5 end shieldshield, na machined flange or base which have rabbets and bolt holes for mounting equipment to the motoror for overhanging the motor on a driven machine.3.1.6 frame sizesize, nstandard sizes established by NEMA based on motor power and speed.3.1.7 mounting arrangementarrangement, nt

18、he installed operating position of the motor, such as horizontal, vertical shaftup, or vertical shaft down.3.1.8 multi-speedmulti-speed, na motor that can operate at more than one speed, typically at two or three speeds.3.1.9 NEMA design classesclasses, ndesign classifications designated by NEMA (se

19、e NEMA Standard MG-1) for motorsthat provides information to the end user on characteristics such as motor starting, torque, voltage, and so forth.3.1.10 NEMA insulation classesclasses, nNEMA system that classifies motor insulation systems by their ability towithstand a specified temperature for a s

20、pecified length of time with minimum deterioration.3.1.11 polyphase medium motorsmotors, nmotors which have windings so arranged to accept to polyphase voltage sources.3.1.12 service factorfactor, nservice factor for an ac motor is a multiplier, which when applied to the rated horsepower,indicates a

21、 permissible horsepower loading which may be carried under the conditions specified for the service factor.3.1.13 single-phase fractional horsepower motorsmotors, nmotors with ratings up to 1 hp which use single-phase power.3.1.14 single-phase integral horsepower motorsmotors, nmotors with ratings o

22、f 1 hp up to and including 10 hp, whichnormally use single-phase power but at the upper end of their specified range may also utilize polyphase power.3.1.15 slipslip, nthe difference between synchronous speed and full load speed. Normal slip is less than 5 %.3.1.16 speedspeed, nthe number of revolut

23、ions per minute (r/min) at which an induction motor operates, which is dependentupon the input power, frequency, and the number of magnetic poles in the machine.3.1.17 temperature, ambientambient, nthe temperature of the air surrounding the machine.3.1.18 temperature riserise, nthe difference betwee

24、n the hot spot temperature and the ambient temperature times a constant(see NEMA MG-1).3.1.19 totally-enclosed air over (TEAO)(TEAO), nan enclosure similar to a TEFC except the cooling air is provided by afan that is not part of the motor.3.1.20 totally-enclosed fan-cooled (TEFC)(TEFC), na totally-e

25、nclosed machine equipped for exterior cooling by means ofa fan or fans integral with the machine but external to the enclosed parts.3.1.21 totally-enclosed non-ventilated (TENV)(TENV), na machine enclosed to prevent the free exchange of air between theinside and outside of the case, but not sufficie

26、ntly enclosed to be airtight.3.1.22 totally-enclosed water-air cooled (TEWAC)(TEWAC), na totally-enclosed machine with integral water-to-air heatexchanger and internal fans to provide closed-loop cooling of the windings.3.1.23 universal motorsmotors, ntypically small motors, which can operate on ac

27、or dc current, or both.3.1.24 variable speed drive (VSD)(VSD), na method used to permit an operator to vary the speed of a motor.3.1.25 weather protectedprotected, na machine with ventilating passages so constructed as to minimize the entrance of rain,snow and airborne particles to the electrical co

28、mponents.4. Significance and Use4.1 The selection criteria is to be applied for uses of (1) new motors and (2) replacement motors.4.2 For the selection of new or replacement motors, this practice defines the choice criteria in terms of the ordering data below.5. General Requirements for Electric Mot

29、or Ordering5.1 Electric Motor Ordering Requirements:5.1.1 With each electric motor ordered for marine service, provide the following, to the greatest extent practicable:practicable,for each speed at which the motor is to operate:5.1.1.1 Electrical InputVoltage, phases and frequency.5.1.1.2 Speed (Sy

30、nchronous or Full Load)r/min.5.1.1.3 PowerThe horsepower of the motor must be stated as a standard NEMA rating. At a minimum, consideration shouldbe given to the needed starting torque, capability to accelerate the load to full running speed and maximum overload.5.1.1.4 EnclosureSelect in accordance

31、 with IEEE Standard 45. DP or TEFC are normally specified for below deckapplications and WP for above deck applications.5.1.1.5 Duty CycleContinuous duty is normally specified since it demands operation at an essentially constant load for anindefinitely long time. If intermittent or varying duty cyc

32、les are required, special motor selection criteria will apply.F2361 1825.1.1.6 Ambient TemperatureStandard motors are designed for 400C ambient. 40.0C ambient environment. If a higherambient is required, this will reduce the service factor or reduce the motor rating thus requiring a larger size moto

33、r.5.1.1.7 Insulation Class.5.1.1.8 Design ClassNEMA MG-1 designated design class.5.1.1.9 Service Factor (SF).5.1.1.10 Drive Method.5.1.1.11 Mounting ArrangementIf vertical, specify with or without feet.5.1.1.12 Mounting Flange (End Shield):(1) C-face(2) D-flange(3) P-base5.1.1.13 RotationThe rotatio

34、n of the motor must be specified as clockwise, counter-clockwisecounter-clockwise, or reversible.5.1.1.14 Conduit Box LocationView from the non-shaft end of the motor:(1) Right (standard)F1(2) LeftF25.1.1.15 Closed-coupledClosed-CoupledSpecify when the motor will mount the pump on a flange and the m

35、otor shaftmounts the pump impeller.5.1.1.16 EffciencyIf compliance with the Energy Policy Act of 1992 is necessary, it should be stated that motors shall befurnished with a nominal efficiency as defined in Table 12-10, NEMA MG-1.5.1.1.17 Special RequirementsThis shall include, but not be limited to,

36、 space heaters, temperature protection, additionalregulatory or classification society requirements. Specific specification sections and paragraphs must be cited.5.2 Other Requirements:5.2.1 Marine ServiceEach motor specified for installation on board ship shall as a minimum comply with the requirem

37、entsof IEEE Standard 45.5.2.2 General TestingUnless otherwise stated, all motors shall be tested in accordance with the requirements of IEEE Standard112.5.3 Electric Motor Ordering Checklist:5.3.1 It is recommended that the minimum information shown in Table 1 be provided to the supplier when orderi

38、ng an electricmotor for marine service.TABLE 1 Sample Electric Motor Ordering ChecklistDesign Parameter Unit, Value, OtherElectrical Input Voltage, Phase, FrequencySpeed r/min (single speed, two speed, VSD)PowerEnclosure Type per NEMA MG-1Enclosure Type in accordance with NEMA MG-1Duty Cycles Contin

39、uous or OtherAmbient Temperature CInsulation Class per NEMA MG-1Insulation Class in accordance with NEMA MG-1Design Class per NEMA MG-1Design Class in accordance with NEMA MG-1Service Factor 1.0 or OtherDrive Method SpecifyMounting Arrangement SpecifyMounting Flange (end shield) Yes or NoRotation CW

40、 CCW, ReversibleMotor conduit box Location F1, F2Motor Conduit Box Location F1, F2Closed-Coupled Yes or NoEfficiency Standard, High, PremiumSpecial Requirements SpecifyOther Standards SpecifyF2361 1836. Keywords6.1 general purpose motors; multi-speed motors; polyphase motorsASTM International takes

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