1、Designation: F1134 151An American National StandardStandard Specification forInsulation Resistance Monitor for Shipboard ElectricalMotors and Generators1This standard is issued under the fixed designation F1134; the number immediately following the designation indicates the year oforiginal adoption
2、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.1NOTEEditorial correction made throughout in August 2015.1. Scope1.1 This specification c
3、overs monitoring devices (monitors)for the automatic detection and signaling of low insulationresistance values in idle electrical motors or generators, orboth.1.2 Monitors are intended for permanent installation in bothexisting or new panels and controller enclosures designed formarine application.
4、1.3 The values stated in SI units are to be regarded asstandard. The values given in parentheses are mathematicalconversions to inch-pound units that are provided for informa-tion only and are not considered standard.1.4 The following safety hazards caveat pertains only to thetest method described i
5、n this specification: This standard doesnot purport to address all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.
6、 Referenced Documents2.1 UL Standard:2UL 94 Test for Flammability of Plastic Materials for Parts inDevices and Appliances2.2 IEEE Standards:3IEEE 45 Recommended Practice for Electrical Installationson ShipboardIEEE 100 Standard Dictionary of Electrical and ElectronicsTerms2.3 Government Standard:4Ti
7、tle 46 Code of Federal Regulations Shipping3. Terminology3.1 DefinitionsIn general, definitions shall be in accor-dance with IEEE 100 (see Section 2).3.2 Definitions of Terms Specific to This Standard:3.2.1 idle machinerotary machine, when not rotating,owing to the absence of energy.3.2.2 monitordev
8、ice, generally located in a motor starter,control panel, or main switchboard, that senses the leakageresistance of electrical machine windings to ground, while themonitored machine stands idle.4. Monitor Classification4.1 TypeThe insulation resistance monitors covered bythis specification shall be o
9、f the following types:4.1.1 Type IAlternating current motor monitors.4.1.2 Type IIAlternating current generator monitors.4.1.3 Type IIIDirect current motor monitors.4.1.4 Type IVDirect current generator monitors.4.2 Duty RatingAll monitors shall be capable of continu-ous duty operations as defined i
10、n accordance with IEEE 100.5. Ordering Information5.1 Monitoring devices shall be ordered by including thefollowing information:5.1.1 Purpose or Use of Monitor(s)Application as motoror generator monitor.5.1.2 Line voltage and frequency.5.1.3 Control voltage and frequency.5.1.4 Type of starter (if mo
11、tor monitor).5.1.5 Winding configuration (if motor monitor).5.1.6 Location of monitor.5.1.7 SensitivitySet for 1 megohm (optional setting, ifrequested, from 0.1 to 5 M).1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility
12、of Subcommittee F25.10 onElectrical.Current edition approved May 1, 2015. Published June 2015. Originallyapproved in 1988. Last previous edition approved in 2012 as F1134 12. DOI:10.1520/F1134-15E01.2Available from Underwriters Laboratories (UL), 333 Pfingsten Rd.,Northbrook, IL 60062-2096, http:/.3
13、Available from Institute of Electrical and Electronics Engineers, Inc. (IEEE),445 Hoes Ln., P.O. Box 1331, Piscataway, NJ 08854-1331, http:/www.ieee.org.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www
14、.access.gpo.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15.1.8 Remote monitoring devices.5.1.9 Special options requested (that is, test buttons, el-evated ambient temperature usage, and so forth).6. Materials and Manufacture6.1
15、 GeneralMaterials used in the construction of insula-tion resistance monitors are to be manufactured and tested inaccordance with IEEE 45. Materials conforming to otherrecognized standards will be subject to approval by theprocuring agency, provided they are not less effective.6.2 Flame-Retardant Ma
16、terialsEnclosure materials usedin the construction of the monitors are to be flame-retardant inaccordance with UL 94, and have a minimum flame rating of94V-1 for monitors being installed within a motor controllerenclosure, or switchgear-type enclosure, or a minimum ratingof 94-5V for monitors not in
17、stalled within such an enclosure.6.3 Electrical InsulationElectrical insulation materialsused and application thereof shall be in accordance with therequirements of IEEE 45.6.4 Current Carrying TerminalsAll monitor current car-rying terminals shall be made of corrosion resistant material inaccordanc
18、e with CFR 46, Subchapter J.6.5 Electrical IsolationMonitors shall isolate their mea-suring circuit from the line voltage, while the motor isoperating, by the use of an integral isolating relay.7. General Design Requirements7.1 Environment:7.1.1 TemperatureThe rating of the monitor shall be basedon
19、an ambient temperature of 50C (122F).7.1.1.1 Operating Temperature RangeMonitors shall op-erate over the range from 0 to 50C (32 to 122F). (See 10.1.2for operation range.)7.1.2 SealingUpon final assembly, the monitor housingshall protect the internal components against foreign matterand shall be con
20、structed so as to prevent tampering.7.1.3 InclinationMonitors shall operate at inclinationangles up to 60 in any direction from the normal operatingposition.7.1.4 HumidityMonitors shall operate at a constant rela-tive humidity of up to minimum 90 %.7.1.5 VibrationMonitors shall operate in the presen
21、ce ofacceptable operational shipboard vibration without mechanicaldamage, control chatter, or other defects.7.2 Operating Voltage/Accuracy:7.2.1 Monitor RelaysMonitor relays shall pick up andhold from 80 % rated line voltage upwards with the coil at itsmaximum operating temperature and shall operate
22、 satisfacto-rily in the range from 80 to 120 % of rated line voltage.7.2.2 Design Voltage CharacteristicsMonitors shall bedesigned for application on 60 Hz AC and DC current systemsand be designed to operate on electrical systems havingstandard voltages acceptable to the U.S. Coast Guard. (See 46CFR
23、 111.)7.2.3 Operating AccuracyMonitors shall alarm within610 % of the ordered set point indicated on the label plate,when operated in accordance with 7.2.1.7.3 Installation Instructions:7.3.1 The monitor vendor shall submit complete installationinstructions with each monitor shipped including drawin
24、gs asnecessary, denoting the following information:7.3.1.1 Application as a motor or generator monitor.7.3.1.2 Line voltage level to be applied to monitor.7.3.1.3 Type designation of monitor supplied.7.3.1.4 Clearly identify where the connections are to bemade to the equipment being monitored.8. Con
25、struction Specifications8.1 General:8.1.1 Monitors shall be designed for ease of installationrequiring no special tools and shall be fitted with a fasteningdevice compatible with the vibration criteria established formarine applications.8.1.2 Indication of a condition representing a low insulationva
26、lue as detected by the monitor shall be displayed by meansof an illuminated device mounted on the body of the monitor.8.1.3 The monitor shall include voltageless terminals towhich remotely located audible or visual indicators, or both,can be connected through the use of control cabling. Relaycontact
27、s for this function shall have contacts with a switchingpower of 1000 W AC, 100 W DC for a resistive load.8.1.4 Electrical interface with the monitor shall be throughthe use of terminals (or terminal strips), screws and lugs(solderless crimp or solder types). Splicing will not be used.The size of te
28、rminals and conductors for interfacing themonitoring shall be suitable to carry the maximum currentsexpected during operation.8.1.5 The monitors sensing circuit should be limited to thefollowing levels:8.1.5.1 Voltagea minimum of 500 VDC.8.1.5.2 Currentnot to exceed 200 A.8.1.6 Monitors shall be des
29、igned to provide a range ofinsulation resistances to be monitored based on the type ofmonitor ordered. However, each individual monitor shall bedesigned for one or two specific resistance values, and thesevalues shall be marked on the label plate of the device.9. Workmanship, Finish, and Appearance9
30、.1 All workmanship shall be of acceptable commercialmarine standard in all respects and all materials. Componentsor parts specified shall be new and unused, except for normaltesting, as required.10. Test Methods10.1 Routine TestsSubject each monitor offered for deliv-ery to the following tests:10.1.
31、1 Visual and mechanical examination.10.1.2 Operational performance test.10.2 Visual and Mechanical ExaminationExamine themonitor devices to verify that the materials, design,construction, dimensions, weight, marking, and workmanshipare in conformance with the vendors drawings.F1134 151210.3 Operatio
32、nal PerformanceTest all functions of thecompletely assembled devices over the specified line voltagerange (rated line voltage 620 %). Accuracy of alarm shall beas stated in 7.2.3.11. Product Marking11.1 Each monitor device shall be identified with a perma-nently applied and clearly marked labelplate
33、 indicating thefollowing information:11.1.1 Manufacturers name and address.11.1.2 Type designation.11.1.3 Applicable specification number(s).11.1.4 Serial number.11.1.5 Monitor supply voltage.11.1.6 Monitor control voltage.11.1.7 Insulation resistance value below which the alarmshould be activated.1
34、1.1.8 Ratings and configurations of alarm relay contacts.11.1.9 Temperature rating.11.1.10 Date of final test.12. Keywords12.1 electrical generator; electrical motors; insulation; lowinsulation resistance values; marine controller enclosures;resistance monitor; shipboard generator; shipboard motorsA
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38、e on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1513
