1、Designation: F1134 12 An 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.1. Scope1.1 This specification covers monitoring devices (monitors)for the automatic dete
3、ction 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.1.3 The values stated in SI units are to be regarded as t
4、hestandard. The values given in parentheses are for informationonly.1.4 The following safety hazards caveat pertains only to thetest method described in this specification: This standard doesnot purport to address all of the safety concerns, if any,associated with its use. It is the responsibility o
5、f the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 UL Standard:2UL 94 Test for Flammability of Plastic Materials for Parts inDevices and Appliances2.2 IEEE Standards:3IEEE 45
6、Recommended Practice for Electrical Installationson ShipboardIEEE 100 Standard Dictionary of Electrical and ElectronicsTerms2.3 Government Standard:Title 46 Code of Federal Regulations Shipping43. Terminology3.1 DefinitionsIn general, definitions shall be in accor-dance with IEEE 100 (see Section 2)
7、.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 monitordevice, generally located in a motor starter,control panel, or main switchboard, that senses the leakageresistance of electrical machine windings to gro
8、und, while themonitored machine stands idle.4. Monitor Classification4.1 TypeThe insulation resistance monitors covered bythis specification shall be of 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
9、 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 in accordance with IEEE 100.5. Ordering Information5.1 Monitoring devices shall be ordered by including thefollowing information:5.1.1 Purpose or Use
10、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 motor monitor).5.1.5 Winding configuration (if motor monitor).5.1.6 Location of monitor.5.1.7 SensitivitySet for 1 megohm (optional setting, ifrequeste
11、d, from 0.1 to 5 M).5.1.8 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 GeneralMaterials used in the construction of insula-tion resistance monitors are to be manufactured and test
12、ed inaccordance with IEEE 45. Materials conforming to other1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.10 onElectrical.Current edition approved Oct. 1, 2012. Published November 2012. Originally
13、approved in 1988. Last previous edition approved in 2007 as F1134 - 94(2007).DOI: 10.1520/F1134-12.2Available from Underwriters Laboratories (UL), 333 Pfingsten Rd.,Northbrook, IL 60062-2096, http:/.3Available from Institute of Electrical and Electronics Engineers, Inc. (IEEE),445 Hoes Ln., P.O. Box
14、 1331, Piscataway, NJ 08854-1331, http:/www.ieee.org.4Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC 20402.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1recognized standards will be subjec
15、t to approval by theprocuring agency, provided they are not less effective.6.2 Flame-Retardant MaterialsEnclosure 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 c
16、ontrollerenclosure, or switchgear-type enclosure, or a minimum ratingof 94-5V for monitors not installed 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 Terminals
17、All monitor current car-rying terminals shall be made of corrosion resistant material inaccordance 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. Genera
18、l Design Requirements7.1 Environment:7.1.1 TemperatureThe rating of the monitor shall be basedon 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
19、, the monitor housingshall protect the internal components against foreign matterand shall be constructed 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 cons
20、tant rela-tive humidity of up to minimum 90 %.7.1.5 VibrationMonitors shall operate in the presence 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
21、 % rated line voltage upwards with the coil at itsmaximum operating temperature and shall operate satisfacto-rily in the range from 80 to 120 % of rated line voltage.7.2.2 Design Voltage Characteristics Monitors shall bedesigned for application on 60 Hz AC and DC current systemsand be designed to op
22、erate on electrical systems havingstandard voltages acceptable to the U.S. Coast Guard. (See 46CFR 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 monito
23、r vendor shall submit complete installationinstructions with each monitor shipped including drawings 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.
24、3.1.4 Clearly identify where the connections are to bemade to the equipment being monitored.8. Construction 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
25、established formarine applications.8.1.2 Indication of a condition representing a low insulationvalue 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 audib
26、le or visual indicators, or both,can be connected through the use of control cabling. Relaycontacts 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 st
27、rips), screws and lugs(solderless crimp or solder types). Splicing will not be used.The size of terminals 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:
28、8.1.5.1 Voltagenot to exceed 24 V.8.1.5.2 Currentnot to exceed 100 A.8.1.6 Monitors shall be designed 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 thes
29、evalues shall be marked on the label plate of the device.9. Workmanship, Finish, and Appearance9.1 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
30、Methods10.1 Routine TestsSubject each monitor offered for deliv-ery to the following tests:10.1.1 Visual and mechanical examination.10.1.2 Operational performance test.10.2 Visual and Mechanical Examination Examine themonitor devices to verify that the materials, design,construction, dimensions, wei
31、ght, marking, and workmanshipare in conformance with the vendors drawings.10.3 Operational 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 monit
32、or device shall be identified with a perma-nently applied and clearly marked labelplate indicating thefollowing information:F1134 12211.1.1 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 Monit
33、or control voltage.11.1.7 Insulation resistance value below which the alarmshould be activated.11.1.8 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
34、 values; marine controller enclosures;resistance monitor; shipboard generator; shipboard motorsASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determina
35、tion of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or with
36、drawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that you
37、r comments have not received a fair hearing you shouldmake your views known to the ASTM Committee 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 (sing
38、le 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 ASTM website (www.astm.org/COPYRIGHT/).F1134 123
