1、NEMA Standards PublicationNational Electrical Manufacturers AssociationANSI C62.61-1993Gas Tube Surge Arresterson Wire Line TelephoneCircuits STD-NEMA Cb2.bL-ENGL 3993 b470247 0532753 ANSI C62.61-1993 AMERICAN NATIONAL STANDARD for Gas Tube Surge Arresters on Wire Line Telephone Circuits Secretariat
2、 National Electrical Manufacturers Association Approved by: American National Standards Institute STD-NEMA CbZ-bL-ENGL L993 9 b470247 0512752 388 = Approval of an American National Standard requires verification by ANSI that the requirements for due process, consensus, and other criteria for approva
3、l have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily un
4、animity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. American National Standard The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has app
5、roved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standa
6、rd. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this
7、standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may recei
8、ve current information on all standards by calling or writing the American National Standards Institute. Published by National Electrical Manufacturers Association 1300 N. 17th Street, Rosslyn, Virginia 22209 Copyright O 1996 National Electrical Manufacturers Association All rights reserved No part
9、of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of the publisher. Printed in the United States of America ANSI C62.61-1993 Page Foreword . ii 1 Scope and purpose 2 Referenced and related American National Standards .
10、 1 3 Definitions 1 4 Service . 1 5 Arrester types and classifications 2 6 Design test criteria . 2 7 Classification of arresters-life tests . . . . . . ,. . . . . . . . . . 6 8 Product identification . 1 O 9 Mechanical reliability . 11 CONTENTS Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6
11、Figures Figure 1 Figure 2 Figure 3 Figure 4 Direct current breakdown limits in volts . 2 Insulation resistance (RL) in Ohms (a) . 3 Impulse breakdown in volts . 3 Direct current holdover for two-electrode arresters . ._._. ._. _. . ._. . ._. . . . . . . 4 Direct current holdover for three-electrode
12、arresters . 4 Life criteria for classification of arresters . 7 Acceptable limits for impulse transverse voltage tests 5 One-second 50 or 60 hertz life test circuit (1 ampere-600-foot simulated cable) _._. ._. . ._ ._._._. . . ._._. . . . . . . . . . . 9 One-second 50 or 60 hertz life test circuit (
13、1 ampere-l-mile simulated cable) 9 Thirty-second 50 or 60 hertz life test circuit (0.5 ampere root mean square) . 10 ANSI C62.61-1993 Foreword (This Foreword is not part of American National Standard 62.61-1993) This standard covers gas tube surge arresters to be used for the limitation of voltage s
14、urges due to lightning or power disturbances on wire line telephone circuits. The purpose of the standard is to serve manufacturers and purchasers of gas tube surge amesters by providing technical guidance to ensure the satisfactory operation of these surge arresters in the application intended. Sug
15、gestions for improvement of this standard will be welcome. They should be sent to the National Electrical Manufacturers Association, 1300 North 17th Street, Ross, Virginia 22209. This standard was processed and approved for submittal to ANSI by the American National Standards Committee on Surge Arre
16、sters, C62. Committee approval of the standard does not necessarily imply that all committee members voted for its approval. At the time it approved this standard, the C62 Committee had the following members: Secretariat: National Electrical Manufacturers Association scope: J. L. Koepfinger, Chairma
17、n J. A Gauthier, Secretary Definitions, classifications, ratings, method of test, performance characteristics, physical characteristics, and application of surge arresters of all types. Organization Represented Name of Representabe Association of American Railroads (AARR) . W. Etter Bonneville Power
18、 Administration (BPA) . G. E. Lee Rural Electrification Administration (REA) . G. J. Bagnall Electric Light and Power (EL therefore, all such references have been purposely omitted from this standard. When the terms “minimum values” and “maximum values” are used in this standard, the quality assuran
19、ce agreements between manufacturers and purchaser shall apply. 2 Referenced American National Standards This standard is intended for use in conjunction with the following American National Standards. When these standards are superseded by a revision approved by the American National Standards Insti
20、tute, Inc., the revision shall apply: ANSIAEEE C62.31-1987, Test Specifications for Gas Tube Surge-Protective Devices ANSVNFPA 70-1 990, National Electrical Code 3 Definitions The definitions in ANSVIEEE C62.31-1987 shall apply to the terms used in this standard. 4 Service conditions The limits spec
21、ified in this standard shall be met under the service conditions described in ANSIAEEE C62.31-1987 for the classes and types specified by the manufacturers or purchasers. 1 Previous page is blank ANSI C62.61-1993 DC Breakdown Limits (V) Ali Arresters I I 5 Arrester types and classifications Primary
22、Use A B C D The arresters that are accepted by the purchaser shall be selected in accordance with the arresters primary use as Type A, B, C, or D; and classified in accordance with Section 7 as Class I, II, III, IV, V, VI, or VI1 depending on the requirements specified in the following categories: i
23、mpulse life, maximum single impulse discharge, and alternating current (ac) discharge current-carrying capability. (Lin e-to-G ro u n d ) Multiple-electrode Arresters Initial, End-of-Life (Line-to-Line) Maximum Minimum Maximum Minimum Maximum Minimum Maximum Value Average Value Value Value Value Val
24、ue 300 350 500 180 600 300 1 O00 51 O - 1 O00 250 1200 51 O i 200 265 - 600 265 600 220 - 21 5 - 265 205 265 - - The types of protectors in which the arrester is tested shall be identified, and the classification shall apply only when the arresters are used in those protectors. 6 Design test criteri
25、a The design tests described in 6.1 through 6.7 provide standardized methods for making single observations of a specified property of an arrester. These properties usually vary from measurement to measurement, making it necessary to provide statistical descriptions of the property in order to compa
26、re arresters. The following statistical procedure shall be used to describe any property that has been determined to have important statistical aspects: A product sample shall be selected in a manner consistent with the needs of the purchaser. A sufficient number of arresters shall be tested and the
27、 characteristics in question measured as described in the applicable design tests until the parameters of the underlying statistical distribution are determined within confidence limits specified by the manufacturer or purchaser. Values relating to the product sample such as, but not limited to, mea
28、n, medium, maximum, minimum, and standard deviation may then be started. The tests in 6.1 through 6.7 should be conducted on the arrester as required by the application. 6.1 Direct current breakdown voltage For arresters that have not been subjected to high energy tests, the values of direct current
29、 (dc) breakdown voltage for a given polarity shall be within the limits specified in table 1 of this standard when measured in accordance with 4.1 of ANWIEEE C62.31-1987. When applicable, the average value shall be greater than the minimum average shown in table 1. Table I - Direct current breakdown
30、 limits in volts 2 STD.NEMA Cb2-bL-ENGL 1773 m b470247 0512758 BTb ANSI C62.61-I 993 Primary Use A B C D 6.2 Capacitance Test Voltage Minimum RL (a) (V dc) Initial End-of-Life o to 100 1 o8 I O7 (Note 2) o to 100 1 os 1 O7 (Note 3) 1 O0 1 o8 1 Ob 1 O0 1 o8 1 o6 101 to 200 1 o5 - The capacitance of t
31、he arrester shall be measured between each terminal and every other terminal of the arrester. In measurements involving multi-electrode arresters, a three-terminal measuring instrument is required. all terminals not involved in the test shall be connected to the ground plane in the measuring instrum
32、ent. The capacitance between each pair of electrodes (excluding protector assembly capacitance) shall not exceed 20 pF when measured at either I kHz or I Mhz. Initial 100 Vlp Rise I O0 Vlps Rise 100 Vlp Rise I00 Vlp Rise Line-to-Ground Line-to-Ground Line-to-Ground Line-to-Ground Min. Max. Max. Min.
33、 Max. Max. Min. Max. Max. Min. Max. Max. Value Avg. Value Value Avg. Value Value Avg. Value Value Avg. Value 6.3 Insulation resistance End-of-Life 100 Vlp 100 Vlp Rise Rise Line-to- Line-to- Ground Ground Max. Max. Value Value Insulation resistance (RL) shall be measured from each terminal to every
34、other terminal of the arrester by applying a specified direct current voltage as shown in table 2 of this standard. Insulation resistance readings shall be taken after insulation stabilization or after 1 minute of applied voltage, whichever occurs first. Terminals not involved in the measurement sha
35、ll be left floating. Table 2 - Insulation resistance (RL) in ohms (Q) 6.4 Impulse breakdown voltage 6.4.1 Impulse breakdown-line-toground The values of the line-to-ground impulse breakdown shall be within the ranges specified in table 3 of this standard when measured in accordance with 4.4 of ANSIII
36、EEE C62.31-I 987. When applicable, the average value shall be less than the maximum average shown in table 3. Primary i NOTE-Dash (-) indicates no criteria. 3 6.4.2 Impulse breakdown-line-to-line Primary Use Aand B (Note 1) C and D (Note 2) Values for line-to-line impulse breakdown voltage of multi-
37、electrode arresters shall not be greater than twice those given for line-to-ground in table 3 of this standard. PSI R3 R2 CI (VI (QI (QI (PFI 150 750 136 0.083 135 690 135-1 50 0.08-0.1 52 200 O O 6.5 Direct current holdover voltage Primary Use A (Notel) B (Note 1) C and D (Note 2) The arrester shal
38、l extinguish in less than 150 ms when tested in accordance with 4.9 or 4.10 of ANSVIEEE C62.31-1987 using the parameters shown in table 4 or 5 of this standard as the parameters that apply to figures 5 and 6, respectively, of ANSIAEEE C62.31-1987. PSI PS2 R2 R6 R3 CI R5 c3 R4 c2 75 75 375 375 136 0.
39、083 136 0.083 272 0.043 150 150 750 750 136 0.083 136 0.083 272 0.043 150 150 750 750 136 0.083 136 0.083 272 0.043 52 O O O 135 O 600 600 135150 0.08-0.11 135-150 0.08-0.11 270-300 0.04-0.05 150 150 1070 1070 (VI (VI (QI (a) (QI (im (QI (PFI (a) (PFI Table 4 - Direct current holdover for two-electr
40、ode arresters NOTES 1 Type A and B arresters shall be tested by applying a 500 A, 10/1000 ps current wave across the gap using all possible combinations of surge and power supply polarities. Prior to this test, the arresters shall be subjected to 5% of the impulse life requirement of 7.1.1, testing
41、a sample quantity in one polarity and another sample quantity in the opposite polarity. Type C and D arresters shall be tested by applying a surge waveform from a source of 1000 V, 10/1000 ps open circuit voltage and at least 10 A peak, 10/1000 ps current, ensuring that the surge and power supply po
42、larities are the same. 2 6.5.1 Two-electrode arresters Two-electrode arresters shall be tested in accordance with 4.9 of ANSIAEEE 032.31-1987 using the values in table 4 of this standard as component values for figure 5 of ANSMEEE (332.31-1987. 6.5.2 Three-electrode arresters Three-electrode arreste
43、rs shall be tested in accordance with 4.10 of ANSIIIEEE C62.31-1987 using the values in table 5 of this standard as component values for figure 6 of ANSIAEEE C62.31-1987. Table 5 - Direct current holdover for three-electrode arresters 4 NOTES 1 Type A and B arresters shall be tested by applying a 50
44、0 A, 1011000 ps current wave across each gap. Three tests per sample shall be conducted a. The 75 V dc test of Type A arresters shall be conducted with opposite polarity supplies and a positive surge polarity. The 150 V dc test of Type A arresters shall be conducted with the power supply polarities
45、the same and positive with respect to the line side, with both positive and negative polarity surges applied b. The test of Type B arresters shall be conducted with opposite power supply polarities and positive surge polarities. c. Prior to these tests, the arresters shall be subjected to 5% of the
46、impulse life requirement of 7.1.1 testing a sample quantity in one polarity and another sample in the opposite polarity. 2 Type C and D arresters shall be tested by applying surge waveforms to each gap from a source of 1000 V, 10/1000 ps open circuit voltage having the capability to deliver at least
47、 10 A peak, 10/1000 p short circuit current to each gap. 3 Dash (-) indicates no criteria. 6.6 Impulse transverse voltage Multi-electrode arresters of Types A and B shall be tested in accordance with 4.12 of ANSIAEEE C62.31- 1987. A line-to-line voltage not exceeding the arresters maximum impulse br
48、eakdown at 100 VIps as in table 3 of this standard may exist for not more than 5 ps. At the end of 5 ps, the line-to-line voltage shall be reduced to a value not greater than the arresters maximum direct-current breakdown, as in table 1, and, after 1 ms, the line-to-line voltage shall not exceed 50
49、V as shown in figure 1 of this standard. Any voltage in excess of the voltage specified in this volt-time curve shall be considered a failure. MAXIMUM ACCEPTABLE TLME Figure 1 - Acceptable limits for impulse transverse voltage test 6.7 First time effect Type A and B arresters shall comply with the impulse breakdown requirements of 6.4 and the direct current breakdown requirements of 6.1 when tested in accordance with the following test procedure. The arresters to be tested shall be encased in light-excluding material so that no external light can reach the arres
