ANSI NEMA C82.3-2016 Electric Lamps Reference Ballasts for Fluorescent Lamps.pdf

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1、NEMA Standards PublicationNational Electrical Manufacturers AssociationANSI C82.3-2016Electric Lamps Reference Ballasts for Fluorescent LampsANSI C82.3-2016 Page ii 2016 National Electrical Manufacturers Association ANSI C82.3-2016 American National Standard for Electric Lamps Reference Ballasts for

2、 Fluorescent Lamps Secretariat: National Electrical Manufacturers Association Approved: April 8, 2016 American National Standards Institute, Inc. ANSI C82.3-2016 Page iii 2016 National Electrical Manufacturers Association NOTICE AND DISCLAIMER The information in this publication was considered techn

3、ically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. ANSI standards and guideline publ

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12、NSI C82.3-2016 Page i 2016 National Electrical Manufacturers Association AMERICAN NATIONAL STANDARD Published by National Electrical Manufacturers Association 1300 North 17thStreet, Suite 900 Rosslyn, Virginia 22209 2016 National Electrical Manufacturers Association All rights, including translation

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18、 The American National Standards Institute, Inc., does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the Ame

19、rican National Standards Institute, Inc. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on this title page. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards In

20、stitute, Inc., require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute, Inc. ANSI C82.3-2016 Page ii 2016 Natio

21、nal Electrical Manufacturers Association Foreword (This foreword is not part of ANSI C82.3-2016) Suggestions for improvement of this standard should be submitted to: Secretariat C82 National Electrical Manufacturers Association 1300 North 17thStreet Suite 900 Rosslyn, VA 22209 This standard was proc

22、essed and approved by Accredited Standards Committee (ASC) on Electric Lamps, C82, and its work group, C82-1. Committee approval of the standard does not necessarily imply that all committee members voted for that approval. ANSI C82.3-2016 Page iii 2016 National Electrical Manufacturers Association

23、CONTENTS Foreword . ii 1. Scope . 1 2. Normative references . 1 3. Definitions 1 4. Marking 1 5. Design characteristics . . 2 5.1 General design for line-frequency reference ballasts 2 5.2 General design for high-frequency reference ballasts at 25 kHz . 2 5.3 Permanence of impedance . 2 5.4 Enclosur

24、e . 2 5.5 Magnetic shielding. . 2 5.6 Inclusion of instrument current coils . 2 6. Operating characteristics for 60 Hz . 3 6.1 Rated supply voltage and frequency . . 3 6.2 Impedance. 3 6.3 Ballast power factor 3 6.4 Temperature rise 3 7. Operating characteristics for 25 kHz. 4 7.1 Rated supply volta

25、ge and frequency . . 4 7.2 Impedance. 4 7.3 Power supply 4 7.4 Instruments 4 7.5 Wiring 4 8. Circuits . 4 8.1 Line frequency 4 8.2 High frequency 5 Appendices Annex I (Informative) Guide for measurement and adjustment of the impedance and power factor characteristics of a line frequency reference ba

26、llast . 6 Figures Figure 1 Circuit for impedance and power factor measurement 3 Figure 2 High-frequency reference circuit 5 ANSI C82.3-2016 Page iv 2016 National Electrical Manufacturers Association ANSI C82.3-2016 Page 1 2016 National Electrical Manufacturers Association 1 Scope This standard descr

27、ibes the essential design features and operating characteristics of reference ballasts for fluorescent lamps. The items specified are those that have been found necessary to ensure accurate and reproducible results when either lamps or ballasts are being tested. It includes requirements for both lin

28、e frequency and high-frequency circuits. The specific values of rated input voltage and impedance for each size of lamp are listed in the applicable ANSI C78 lamp standard. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions

29、of this American National Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this American National Standard are encouraged to investigate the possibility of applying the most recent editions of the stand

30、ards indicated below. ANSI C78.81 Double-Capped Fluorescent LampsDimensional and Electrical Characteristics ANSI C78.375 Fluorescent LampsGuide for Electrical Measurements ANSI C78.901 Single Base Fluorescent LampsDimensional and Electrical Characteristics ANSI C82.1 Line Frequency Fluorescent Lamp

31、Ballast ANSI C82.11 High-Frequency Fluorescent Lamp Ballasts (Consolidated) ANSI C82.13 Definitionsfor Fluorescent Lamps and Ballasts IES LM-9 IESNA Approved Method for the Electrical and Photometric Measurements of Fluorescent Lamps 3 Definitions See ANSI C82.13 for related definitions. 4 Marking T

32、he reference ballast shall be provided with durable legible marking as follows: Fixed-impedance type a) the words “reference ballast” or “HF (high frequency) reference ballast” as applicable, in full; b) manufacturers name and model number; c) manufacturers serial number; d) lamp type, wattage, and

33、current; e) rated supply voltage and frequency; and f) impedance. Adjustable-impedance type a) the words “reference ballast” or “HF reference ballast” or “HF Power Supply” as applicable, in full; b) manufacturers name and model number; c) manufacturers serial number; d) impedance range at rated freq

34、uency (or frequencies); e) maximum voltage per element and maximum across unit; f) maximum current; g) frequency; and h) connection diagram. ANSI C82.3-2016 Page 2 2016 National Electrical Manufacturers Association 5 Design characteristics 5.1 General design for line frequency reference ballasts A l

35、ine frequency reference ballast is a self-inductive coil, with or without an additional series resistor for power factor adjustment, designed to give the operating characteristics of Clause 6. It may be used either in a circuit employing a starter or, where applicable, in a circuit including separat

36、e power sources to heat the lamp cathodes. Further details of those circuits are given in ANSI C78.375. 5.2 General design for high-frequency reference ballasts at 25 kHz A high-frequency reference ballast is a resistor or choke-coil designed to give the operating characteristics of Clause 7. 5.3 Pe

37、rmanence of impedance 5.3.1 Fixed-impedance type ballasts Since this type of reference ballast is intended to serve as a permanent baseline of reference, it is vitally important that the ballast is constructed as to provide permanence of impedance under normal conditions of use and abuse. A recheck

38、of the impedance of the ballast shall give values within 0.1% of those previously determined. 5.3.2 Adjustable-impedance type ballasts. This type of reference ballast, when adjusted to any given value of impedance, shall be capable of holding that adjustment through normal periods of use. For this p

39、urpose, suitable means shall be provided for mechanically locking the movable core (or other movable parts) in any desired position. 5.4 Enclosure A reference ballast shall be enclosed for mechanical protection. In the case of the adjustable-impedance-type ballast, the series resistor need not be in

40、 the same enclosure with the reactor. Care should be taken for proper conduction of the dissipated wattage losses. 5.5 Magnetic shielding (for 60 Hz reference ballast) A reference ballast should be protected against magnetic influence in such a way that its impedance at reference current shall not b

41、e changed by more than 0.2% when a half-inch (13-mm) plate of magnetic steel is placed within 1 inch (25 mm) of any face of the ballast enclosure. The steel plate shall have dimensions at least 2 inches (51 mm) greater than the maximum dimension of the ballast enclosure and shall be placed in geomet

42、ric symmetry to each surface as tested. In the event that a reference ballast is not magnetically shielded, precautions shall be taken to keep magnetic objects far enough removed from the leakage field so that the impedance of the ballast will not be altered by more than the 0.2% mentioned above. 5.

43、6 Inclusion of instrument current coils When an adjustable-impedance type reference ballast is being used, a choice may be made as to whether the impedances of the instrument current coils (the ammeter and wattmeter) will or will not be included as part of the impedance of the reference ballast. Eit

44、her procedure is satisfactory, however if the coils are included in the original calibration they must be left in the circuit at all times during subsequent use. Figure 1 shows the current coils included. ANSI C82.3-2016 Page 3 2016 National Electrical Manufacturers Association Current terminals of

45、instruments are shown as: Potential terminals of instruments are shown as: Figure 1 Circuit for impedance and power factor measurement 6 Operating characteristics for 60 Hz 6.1 Rated supply voltage and frequency The rated supply voltage and frequency of a reference ballast shall be in accordance wit

46、h the value given on the relevant lamp data sheet in either ANSI C78.81 or ASI C78.901. 6.2 Impedance The ratio of voltage to current of a reference ballast shall have the value given on the relevant lamp data sheet in either ANSI C78.81 or ANSI C78.901, subject to the following tolerances: a) 0.5%

47、at the calibration current value; b) 3% at any other value of current from 50% to 115% of the calibration current. See figure 1. 6.3 Ballast power factor The effective power factor of the reference ballast (ratio of wattage loss to the product of ballast voltage and current) when the ballast is carr

48、ying reference current shall be 0.075 0.005 unless specified otherwise on the individual lamp data sheet. See Figure 1. 6.4 Temperature rise When the reference ballast is operated in an ambient air temperature of 25C and at calibration current and rated frequency, and after thermal stabilization, th

49、e temperature rise of the ballast winding shall not exceed 25K, when measured by the change in resistance method. ANSI C82.3-2016 Page 4 2016 National Electrical Manufacturers Association 7 Operating characteristics for 25 kHz 7.1 Rated supply voltage and frequency The rated supply voltage and frequency of a reference ballast shall be in accordance with the values given on the relevant lamp data sheets in either ANSI C78.81 or ANSI C78.901. 7.2 Impedance The following specifications apply to measurements made at rated input