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TABLE 3.14.9 Relevant Documents for IEC Technical Committee 14 <strong>Power</strong> <strong>Transformer</strong>s<br />
60076-1 General requirements<br />
60076-2 Temperature rise<br />
60076-3 Insulation levels, dielectric tests, and external clearances in air<br />
60076-4 Guide for lightning-impulse and switching-impulse testing<br />
60076-5 Ability to withstand short circuit<br />
60076-6 Reactors (IEC 289)<br />
60076-8 <strong>Power</strong> transformers — application guide<br />
60076-9 Terminal and tapping markings (IEC 616)<br />
60076-10 Determination of transformer reactor sound levels<br />
60076-11 Dry-type power transformers (IEC 726)<br />
60076-12 Loading guide for dry-type power transformers (IEC 905)<br />
60214-1 Tap changers for power transformers<br />
60214-2 Application guide for on-load tap changers (IEC 542)<br />
61378 Converter transformers<br />
61378-1 <strong>Transformer</strong>s for industrial applications<br />
61378-3 Applications guide<br />
These standards apply to all liquid-immersed distribution, power, regulating, instrument, and rectifier<br />
transformers except as indicated below:<br />
Arc-furnace transformers<br />
Specialty transformers<br />
Grounding transformers<br />
Mobile transformers<br />
Mine transformers<br />
Relevant IEEE documents are listed in Table 3.14.10.<br />
3.14.3.5.2 NEMA Documents<br />
3.14.3.5.2.1 NEMA TP-1, Guide for Determining Energy Efficiency for Distribution <strong>Transformer</strong>s —<br />
This standard is intended for use as a basis for determining the energy-efficiency performance of the<br />
equipment covered and to assist in the proper selection of such equipment. This standard covers singlephase<br />
and three-phase dry-type and liquid-filled distribution transformers as defined in Table 3.14.11.<br />
Products excepted from this standard include:<br />
Liquid-filled transformers below 10 kVA<br />
Dry-type transformers below 15 kVA<br />
Drives transformers, both ac and dc<br />
All rectifier transformers and transformers designed for high harmonics<br />
Autotransformers<br />
Nondistribution transformers, such as UPS transformers<br />
Special impedance and harmonic transformers<br />
Regulating transformers<br />
Sealed and nonventilated transformers<br />
Retrofit transformers<br />
Machine-tool transformers<br />
Welding transformers<br />
<strong>Transformer</strong>s with tap ranges greater than 15%<br />
<strong>Transformer</strong>s with frequency other than 60 Hz<br />
Grounding transformers<br />
Testing transformers<br />
TABLE 3.14.10 Relevant IEEE Documents<br />
IEEE 62-1995<br />
Guide for Diagnostic Field Testing of <strong>Electric</strong> <strong>Power</strong> Apparatus — Part 1: Oil Filled<br />
<strong>Power</strong> <strong>Transformer</strong>s, Regulators, and Reactors<br />
IEEE 259-1994<br />
Standard Test Procedure for Evaluation of Systems of Insulation for Specialty<br />
<strong>Transformer</strong>s (ANSI)<br />
IEEE 637-1985<br />
Guide for the Reclamation of Insulating Oil and Criteria for Its Use (ANSI)<br />
IEEE 638-1992<br />
Standard for Qualification of Class 1E <strong>Transformer</strong>s for Nuclear Generating Stations<br />
IEEE 799-1987<br />
Guide for Handling and Disposal of <strong>Transformer</strong> Grade Insulating Liquids Containing<br />
PCBs (ANSI)<br />
IEEE 1276-1997<br />
Trial-Use Guide for the Application of High Temperature Insulation Materials in Liquid-<br />
Immersed <strong>Power</strong> <strong>Transformer</strong>s<br />
ANSI C57.12.00-1993<br />
Standard General Requirements for Liquid-Immersed Distribution, <strong>Power</strong>, and<br />
Regulating <strong>Transformer</strong>s (ANSI)<br />
ANSI C57.12.10-1988<br />
American National Standard for <strong>Transformer</strong>s — 230 kV and below 833/958 through<br />
8333/10 417 kVA, Single-Phase, and 750/862 through 60 000/80 000/100 000 kVA,<br />
Three-Phase without Load Tap Changing; and 3750/4687 through 60 000/80 000/100<br />
000 kVA with Load Tap Changing — Safety Requirements<br />
ANSI C57.12.20-1997<br />
American National Standard for Overhead Distribution <strong>Transformer</strong>s, 500 kVA and<br />
Smaller: High Voltage, 34 500 V and below: Low Voltage 7970/13 800 Y V and below<br />
ANSI C57.12.22-1989<br />
American National Standard for <strong>Transformer</strong>s — Pad-Mounted, Compartmental-Type,<br />
Self-Cooled, Three-Phase Distribution <strong>Transformer</strong>s with High-Voltage Bushings,<br />
2500 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 Volts and below; Low Voltage,<br />
480 Volts and below<br />
IEEE C57.12.23-1992<br />
Standard for <strong>Transformer</strong>s — Underground-Type, Self-Cooled, Single-Phase<br />
Distribution <strong>Transformer</strong>s With Separable, Insulated, High-Voltage Connectors; High<br />
Voltage (24 940 GrdY/14 400 V and below) and Low Voltage (240/120 V, 167 kVA and<br />
Smaller)<br />
ANSI C57.12.24-1994<br />
American National Standard Requirements for <strong>Transformer</strong>s — Underground-Type,<br />
Three-Phase Distribution <strong>Transformer</strong>s, 2500 kVA and Smaller; High Voltage, 34 500<br />
GrdY/19 920 Volts and below; Low Voltage, 480 Volts and below — Requirements<br />
ANSI C57.12.25-1990<br />
American National Standard for <strong>Transformer</strong>s — Pad-Mounted, Compartmental-Type,<br />
Self-Cooled, Single-Phase Distribution <strong>Transformer</strong>s with Separable Insulated High-<br />
Voltage Connectors; High Voltage, 34 500 GrdY/19 920 Volts and below; Low Voltage,<br />
240/120 Volts; 167 kVA and Smaller<br />
IEEE C57.12.26-1992<br />
Standard for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase<br />
Distribution <strong>Transformer</strong>s for Use with Separable Insulated High-Voltage Connectors<br />
(34 500 GrdY/19 920 Volts and below; 2500 kVA and Smaller)<br />
ANSI C57.12.29-1991<br />
American National Standard Switchgear and <strong>Transformer</strong>s-Pad-Mounted Equipment-<br />
Enclosure Integrity for Coastal Environments<br />
ANSI C57.12.31-1996<br />
American National Standard for Pole-Mounted Equipment — Enclosure Integrity<br />
ANSI C57.12.32-1994<br />
American National Standard for Submersible Equipment — Enclosure Integrity<br />
IEEE C57.12.35-1996<br />
Standard for Bar Coding for Distribution <strong>Transformer</strong>s<br />
ANSI C57.12.40-1994 American National Standard Requirements for Secondary Network <strong>Transformer</strong>s —<br />
Subway and Vault Types (Liquid Immersed)<br />
IEEE C57.12.44-1994<br />
Standard Requirements for Secondary Network Protectors<br />
ANSI C57.12.70-1978 (R1992) American National Standard Terminal Markings and Connections for Distribution and<br />
<strong>Power</strong> <strong>Transformer</strong>s<br />
IEEE C57.12.80-1978 (R1992) Standard Terminology for <strong>Power</strong> and Distribution <strong>Transformer</strong>s<br />
IEEE C57.12.90-1993<br />
Standard Test Code for Liquid-Immersed Distribution, <strong>Power</strong>, and Regulating<br />
<strong>Transformer</strong>s and Guide for Short Circuit Testing of Distribution and <strong>Power</strong><br />
<strong>Transformer</strong>s<br />
IEEE C57.13-1993<br />
Standard Requirements for Instrument <strong>Transformer</strong>s<br />
IEEE C57.13.1-1981 (R1992) Guide for Field Testing of Relaying Current <strong>Transformer</strong>s<br />
IEEE C57.13.3-1983 (R1991) Guide for the Grounding of Instrument <strong>Transformer</strong> Secondary Circuits and Cases<br />
IEEE C57.15-1986 (R1992) Standard Requirements, Terminology, and Test Code for Step-Voltage and Induction-<br />
Voltage Regulators<br />
IEEE C57.16-1996<br />
Standard Requirements, Terminology, and Test Code for Dry-Type Air-Core Series-<br />
Connected Reactors<br />
IEEE C57.18.10-1998<br />
Standard Practices and Requirements for Semiconductor <strong>Power</strong> Rectifier <strong>Transformer</strong>s<br />
—continued<br />
© 2004 by CRC Press LLC<br />
© 2004 by CRC Press LLC