1、Designation: F2939 13Standard Specification forHigh Voltage Phasing Testers1This standard is issued under the fixed designation F2939; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenthes
2、es indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers portable, live-line tool-supported two-pole phasing testers to be used on AC electricalsystems.1.2 Two types of phasing testers
3、are provided and aredesignated as Type I Resistive and Type II Capacitive.1.3 Two styles of phasing testers are provided and aredesignated as Style A Numerical and Style B Audible/Visual.1.4 The use and maintenance of these high voltage phasingtesters and any necessary insulated tool handles are bey
4、ond thescope of this specification.1.5 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not purport to address all
5、of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.NOTE 1Except where specified, all voltage defined in this specifi
6、ca-tion refers to phase-to-phase voltage in a three-phase system. PhasingTesters covered by this specification may be used in other than three-phasesystems, but the applicable phase-to-phase or phase-to-ground (earth)voltages shall be used to determine the operating voltage.2. Referenced Documents2.
7、1 ASTM Standards:2F1796 Specification for High Voltage DetectorsPart 1Capacitive Type to be Used for Voltages Exceeding 600Volts AC2.2 Other Standards:3ANSI C84.1 Electric Power Systems and EquipmentVoltage Ranges3. Terminology3.1 Definitions:3.1.1 clear indication, na specific condition that detect
8、sand indicates the presence or absence of the correct voltage, orphase relationship, or both, between two energized parts.3.1.2 contact electrode, nthe bare conductive part of theconductive element that establishes the electrical connection tothe component to be tested.3.1.3 indicator, npart of the
9、phasing tester that indicatesthe presence or absence of the correct voltage, or phaserelationship, or both, between two energized parts.3.1.4 indication, nvisible, audible, or numeric indicationof which clearly indicates the presence of nominal operatingvoltage within the specified voltage range.3.1
10、.4.1 DiscussionNoise and light indications shall beclearly detectable under the conditions outlined as follows:(See Specification F1796, sections 10.3.13 and 10.3.14). Ac-ceptable Audible Indication The audible test should beperformed in an environment where background noise does notexceed 60 dBA. A
11、cceptable Visual Indication The Style Bvisual tests should be conducted in an environment withambient light conditions ranging from 0 to 18 000 fc.3.1.5 insertion limit, ndistinctive location to indicate tothe user the physical limit to which the phasing device may beinserted between energized/groun
12、ded parts, as specified by themanufacturer.3.1.6 interference field, nelectrical field capable of affect-ing the indication. It may result from the part to be tested orother adjacent parts.3.1.7 interference ground, nground potential capable ofaffecting the indication. It may result from the part to
13、 be testedor other adjacent parts.3.1.8 phasing tester, nportable device used to detect andindicate the presence or absence of the correct voltage, or1This test method is under the jurisdiction of ASTM Committee F18 onElectrical Protective Equipment for Workers and is the direct responsibility ofSub
14、committee F18.35 on Tools once in thehorizontal position and once in the vertical. The vertical dropshall be made on the contact electrode, if present. It isacceptable if the contact electrode bends, as long as the unitcontinues to operate. The unit shall be considered to havepassed the test if ther
15、e is no significant mechanical damage andthe unit meets the requirements of 10.5.10.3.2 Durability of LabelingThe labels on the detectorshall be scrubbed for 1 min with a towelette soaked in water,then scrubbed for another minute with towelette soaked inethyl alcohol. The test is considered passed i
16、f the markingremains legible, the printing does not smear, and the labelremains attached.10.4 Test Methods (Electrical):10.4.1 Battery Life TestThe phasing tester shall be sub-jected to a voltage or phase angle test at a value that is threshold voltage and provides a continuous indication for aminim
17、um of 10 min.10.4.2 Continuous Duty RatingThe phasing tester shall beplaced in contact with a high voltage supply lead and subjectedto maximum rated voltage for 5 min. The phasing tester isconsidered to have passed the test if the indication doesntdeviate more than 610 % of the initial indication.10
18、.4.3 Response TimeThe test voltage applied shall be theminimum operating voltage of the phasing tester 610 %. Thetest voltage shall remain ON and the phasing tester shall beapplied and removed five times. The time sequence betweenthese periods should vary and each shall be at least 3 s long indurati
19、on. The test is considered passed if all response times areshorter than 3 s.10.4.4 Self-Test FunctionThe self-test function for a phas-ing tester equipped with this feature, shall be activated per theinstructions, a minimum of three times. The test is consideredpassed if the proper indications appea
20、r each time.10.5 Test Methods (Audible/Visual Indication):10.5.1 Acceptable Audible IndicationThe audible testshould be performed in an environment where backgroundnoise does not exceed 60 dBA.10.5.1.1 The phasing set shall be mounted so that the soundaxis is parallel to the ground at least 3 ft off
21、 any soundreflecting surface. The test shall be performed by applying avoltage of 10 % over the threshold voltage to the contactelectrode.10.5.1.2 The sound intensity shall be measured at 2 ftintervals at 615 off centerline while moving away from thephasing tester until the following audible thresho
22、lds are deter-mined: (1) 77 dBA for detectors with intermittent signals, and(2) 80 dBA for detectors with continuous signals.10.5.1.3 The phasing tester is considered passed if theaudible thresholds are met at distances consistent with themaximum voltage rating of the phasing tester and OSHAminimum
23、approach distances. These audible thresholds may bereduced by 10 dBA if the phasing set is equipped with a visualindication also.10.5.2 Acceptable Visual IndicationThe Style A visualtests should be conducted in an environment with ambient lightconditions ranging from 0 to 18 000 fc.10.5.2.1 The test
24、 shall be performed by applying a mini-mum voltage of 10 % over the threshold voltage to the contactelectrode.10.5.2.2 Three observers shall determine that visual detec-tion can be made throughout angles of 615 off the detectcenterline at distances up to and including 10 ft from thephasing tester un
25、der test.10.5.3 Visual InspectionThe phasing tester shall be re-viewed for any defects apparent in its enclosure, contactelectrode, or visual and audible indicating systems. Labelingshall be inspected and any accessories shall also be visuallyinspected. If any defects are found, the phasing tester i
26、s to berejected.10.6 Test Methods (Operating for Type I, Resistive, only):10.6.1 Method of Testing:10.6.1.1 The phasing tester shall be supported in a non-conductive fixture in a horizontal position. A phasing testerwith a maximum rated voltage of 69 kV and below, it will bepositioned a minimum of 3
27、 ft above a conductive floor. Noforeign objects shall be located between the test fixture and thefloor. For phasing testers rated above 69 kV, the height fromfloor dimension will be a minimum of 6 ft.10.6.1.2 The high voltage input cable connected to theelectrodes A and B shall be free and clear of
28、all surroundingobjects connecting to the detector on an even axis. Theinterconnect cable of the phasing set shall also be free and clearof surrounding objects and ground. (See Fig. 1).10.6.2 Operating Voltage Range TestEach unit shall besubjected to the minimum and maximum operating voltage inwhich
29、the phasing tester is rated for direct contact. The unitshould indicate the correct voltage relationship 610 % whenthe minimum and maximum voltages are applied.10.6.3 In-Phase Voltage TestEach pole of the phasingtester should be attached to one (the same) energized part. Thepart should be energized
30、to the minimum and maximumoperating voltage range. The unit should not indicate more than5 % of the line to ground voltage.10.6.4 Out-of-Phase Voltage TestEach pole of the phasingtester should be attached to a separate phase conductorseparated by 20 at the respective minimum and maximumoperating vol
31、tage range of the unit. The unit should indicate anout-of-phase condition or 50 % of the phase-to-ground voltage.The unit should indicate the actual phase-to-phase voltagedifference between the two parts, 610 %.10.6.5 Alternate Out-of-Phase Voltage TestOne phasingtester should be grounded and the se
32、cond phasing testerinstalled on a conductor energized at 50 % of the minimum andF2939 133maximum rated voltages. The phasing tester should thenindicate out-of-phase of 50 % or the phase-to-ground voltage.10.7 Test Methods (Operating for Type II, Capacitive, only):10.7.1 Method of Testing:10.7.1.1 Th
33、e phasing tester shall be supported in a non-conductive fixture in a horizontal position. For a phasing testerwith a maximum rated voltage of 69 kV and below, it will bepositioned 3 ft minimum above a conductive floor. No foreignobjects shall be located between the test fixture and the floor.For pha
34、sing testers rated above 69 kV, the height from floordimension will be 6 ft minimum.10.7.1.2 The high voltage input cable connected to theelectrodes A and B shall be free and clear of all surroundingobjects connecting to the detector on an even axis. (See Fig. 1).10.7.2 Operating Voltage Range TestE
35、ach unit shall besubjected to the minimum and maximum operating voltage inwhich the phasing tester is rated for direct contact. The unitshould indicate the correct phase angle relationship when theminimum and maximum voltages are applied per 10.7.3 and10.7.4.10.7.3 In-Phase Angle TestEach pole of th
36、e phasing testershould be attached to separate conductors with the samevoltage and separated by 10 degrees of phase angle 61. Thepart should be energized to the minimum and maximumoperating voltage range. The unit should indicate an in-phasecondition.10.7.4 Out-of-Phase Angle TestEach pole of the ph
37、asingtester should be attached to separate conductors with the samevoltage and separated by 20 6 1. The part should be energizedto the minimum and maximum operating voltage range. Theunit should indicate an out-of-phase condition.10.8 Interference Voltage TestingRefer to Fig. 2. AllInterference Test
38、ing applied to both types and styles of unitsbelow 50 kV only.FIG. 1 Example of the Test MethodFIG. 2 Interference Voltage TestingNominalVoltage(kV)ElectrodeSepara-tion ao(in.)H(in.)DRing Di-ameter(in.)dSphereDiameter(in.)boConduc-tor Sepa-ration#69 kV 12 36 24 2 2469 kV 39 72 43 4 43F2939 13410.8.1
39、 Same Phase Interference (up to 50 kV)When theball and ring are energized to the same potential the unit shouldmeet the requirements of 10.6.2.10.8.2 Out-of-Phase Interference (up to 50 kV)When theball is energized and the ring is grounded the unit should meetthe requirements of 10.6.2.10.9 Routine
40、Performance Requirement: A routine voltagetest shall be performed on each completed unit of a productionrun to ensure that each unit is performing according to thefollowing operational specifications:10.9.1 Voltage test as referenced in 10.6.2, 10.7.2 or equiva-lent.10.9.2 Testing the self-test func
41、tion as referenced in 10.4.4.10.9.3 Visual inspection as referenced in 10.5.3.10.10 Acceptance TestAs defined, an acceptance test isonly performed at the request of the customer in compliancewith specific requirements.10.11 Performance:10.11.1 Low BatteryLow battery conditions shall beclearly indica
42、ted as described in the instructions.10.12 Phasing Tester CheckIf a self-checking system canbe incorporated into the overall design of the phasing tester toallow internal functions to operate before and after each use, itwill test all visual, audible and numeric indications and allnormal operating f
43、unctions. This test does not test for linefunctions.11. Rejection and Rehearing11.1 Devices that fail to conform to the requirements of thisspecification may be rejected. Rejection should be reported tothe producer or supplier promptly and in writing. In case ofdissatisfaction with the rejection, th
44、e producer or supplier maymake a claim for another approval.12. Certification12.1 When specified in the purchase order or contract, thepurchaser shall be furnished certification that samples repre-senting each lot have been tested and inspected as directed inthis specification and the requirements h
45、ave been met. Whenspecified in the purchase order or contract, a report of the testresults shall be furnished.13. Precision and Bias13.1 Each testing agency has the responsibility of judgingthe acceptability of its own results. The precision of the resultsis a function of the procedures and faciliti
46、es utilized, as well ascompliance to the recommended industry state-of-the-art prac-tices. Reproducible analysis determinations by different userscan be achieved only with identical facilities and trained,conscientious personnel.14. Keywords14.1 high voltage; live-line tools; phasing testersASTM Int
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48、y 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 withdrawn. Your comments are invited either for revision of this standard or for additional standardsand sh
49、ould 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 your 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 (single or multiple copies) of this standard may be obta
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