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NEMA TP 3 - STANDARD FOR THE LABELING OF DISTRIBUTION TRANSFORMER EFFICIENCY Organization: NEMA
Date: 2000-01-01
Description: Defines the labeling of distribution transformers tested to the efficiency levels specified in TP 1. This standard defines the labeling of distribution transformers tested to the efficiency levels specified in TP 1.
CSA C802.3 - MINIMUM EFFICIENCY VALUES FOR POWER TRANSFORMERS - SECOND EDITION Organization: CSA
Date: 2015-01-01
Description: This Standard applies to all liquid-filled power transformers, except those types listed in Clause 1.3, and specifies minimum efficiency ratings.
CSA C802.1 - MINIMUM EFFICIENCY VALUES FOR LIQUIDFILLED DISTRIBUTION TRANSFORMERS - SECOND EDITION; ERTA: MAY 2016 Organization: CSA
Date: 2013-01-01
Description: This Standard specifies energy efficiencies for liquid-filled distribution transformers. The total ownership cost (TOC) methodology is recommended as the means for achieving these energy efficiencies, particularly for use by electric utilities.
CSA C802.2 - MINIMUM EFFICIENCY VALUES FOR DRY-TYPE TRANSFORMERS - THIRD EDITION; UPDATE NO. 1: MAY 2013 Organization: CSA
Date: 2012-08-01
Description: This Standard specifies efficiency values for dry-type transformers. The total ownership cost (TOC) methodology is recommended as the means for achieving these efficiencies, particularly for electric utilities.
NEMA TP 1 - GUIDE FOR DETERMINING ENERGY EFFICIENCY FOR DISTRIBUTION TRANSFORMERS Organization: NEMA
Date: 2002-01-01
Description: This standard covers single-phase and three-phase dry-type and liquid-filled distribution transformers. Defines the labeling of distribution transformers tested to the efficiency levels specified in TP 1.
CDA - A6121 - HIGH EFFICIENCY MOTORS & TRANSFORMERS Organization: CDA
IEC TS 60076-20 - POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY - EDITION 1.0 Organization: IEC
Date: 2017-01-01
Description: This part of IEC 60076 is applicable to transformers in the scope of IEC 60076-1 The energy performance levels given in Clause 6 are not applicable to the following transformers transformers for high current rectifiers as described in the IEC 61378 (all parts) and in the IEC 60146 (all parts) transformers for furnace applications transformers for offshore applications NOTE 1 Transformer to be installed on fixed or floating offshore platforms, offshore wind turbines or on board of ships and all kind of vessels) transformers for emergency or temporary mobile installations NOTE 2 Transformers designed only to provide cover for a specific time limited situation when the normal power supply is interrupted either due to an unplanned occurrence such as failure or a station refurbishment, but not to permanently upgrade an existing substation traction transformers earthing transformers as described in 3.1.10 of IEC 60076-6:2007 phase shifting transformers instrument transformers (IEC 61869-1) transformers and auto-transformers specifically designed for railway feeding systems, as defined in EN 50329 traction catenary supply transformer for 16,67 Hz transformer for high current rectifiers (IEC 61869-1) NOTE 3 These are transformers specifically designed and intended to supply power electronic or rectifier loads specified according to IEC 61378-1 NOTE 4 This exclusion does not apply to transformers intended to provide AC power from DC sources such as transformers for wind turbine and photo voltaic applications as well as transformers designed for DC transmission and distribution applications transformers for railway feeding systems (EN 50329) subsea transformers starting-, testing- and welding transformers starting transformers, specifically designed for starting three-phase induction motors so as to eliminate supply voltage dips NOTE 5 Examples are transformers that are de-energised during normal operation, used for the purpose of starting a rotating machine) transformers specifically designed for explosion-proof and underground mining applications transformers which cannot fulfil the energy performance requirements due to unavoidable size and weight limitations NOTE 6 Due to the unavoidable weight and size limitation for a rolling stock application, this definition includes all traction transformers for rolling stock, irrespective of the frequency (e.g. 16,7 Hz, 25 Hz, 50 Hz, 60 Hz) In this document, "transformers" includes both separate winding transformers and autotransformers NOTE 7 Transformers intended to provide AC power from DC sources such as transformers for wind turbine and photo voltaic applications as well as transformers designed for DC transmission and distribution applications are included in the Scope of this document
BSI - BS PD IEC/TS 60076-20 - POWER TRANSFORMERS PART 20: ENERGY EFFICIENCY Organization: BSI
CDA - A6080 - WEYERHAEUSER POLICY CALLS FOR PREMIUM-EFFICIENCY MOTORS AND TRANSFORMERS Organization: CDA
CDA - A6007 - HIGH-EFFICIENCY COPPER-WOUND TRANSFORMERS SAVE ENERGY AND DOLLARS Organization: CDA
DSF/IEC/TS 60076-20 ED. 1.0 - IEC 60076-20 TS ED.1: POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY Organization: DS
Description: The energy performance levels given in section 6 are not applicable to the following transformers: - Transformers for high current rectifiers following IEC61378 series and IEC 60146 series. - Transformers for furnace applications - Transformers for offshore applications - Transformers for emergency or temporary mobile installations - Traction transformers for 16.7 Hz - Earthing transformers following IEC60076-6 - Transformers which cannot fulfil the energy performance requirements due to unavoidable size and weight limitations In this standard 'transformers' includes both separate winding transformers and autotransformers.
BSI - 13/30295873 DC - DRAFT BS EN 60076-20 POWER TRANSFORMERS PART 20: ENERGY EFFICIENCY Organization: BSI
Date: 2013-12-23
VDE 0532-76-20 - POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY (IEC 14/778/CD:2013) Organization: VDE
Date: 2014-09-01
CSA C802.5 - GUIDELINE FOR EVALUATING THE EFFICIENCY OF DRY-TYPE TRANSFORMERS UNDER NON-LINEAR LOADING - FIRST EDITION Organization: CSA
Date: 2016-01-01
Description: This Guideline applies to three-phase dry-type transformers subjected to harmonics current up to the 49th harmonic.
EU - M 308 - MANDATE TO CEN/CENELEC FOR THE ELABORATION AND ADOPTION OF STANDARDS FOR THE REVISION OF THE DEFINITIONS AND MEASUREMENT METHODS FOR EFFICIENCY OF OIL-COOLED AND DRY-TYPE TRANSFORMERS Organization: EU
Date: 2000-11-23
WILEY - ELECTRICAL ENERGY EFFICIE - ELECTRICAL ENERGY EFFICIENCY: TECHNOLOGIES AND APPLICATIONS Organization: WILEY
Date: 2012-01-01
Description: Key features include: a comprehensive overview of the different technologies involved in electroefficiency, outlining monitoring and control concepts and practical design techniques used in industrial applications; description of the current standards of electrical motors, with illustrative case studies showing how to achieve better design; up-to-date information on standarization, technologies, economic realities and energy efficiency indicators (the main types and international results); coverage on the quality and efficiency of distribution systems (the impact on distribution systems and loads, and the calculation of power losses in distribution lines and in power transformers). With invaluable practical advice, this book is suited to practicing electrical engineers, design engineers, installation designers, M&E designers, and economic engineers.
CSA C22.2 NO 47 - AIR-COOLED TRANSFORMERS (DRY TYPE) - FIFTH EDITION Organization: CSA
Date: 2013-09-01
Description: This Standard does not apply to specialty transformers, transformers for luminous-tube signs, oil or gas burner ignition, cold-cathode interior lighting, or electronic or liquid-filled designs This Standard does not include energy efficiency or product performance requirements.
IEC 61683 - PHOTOVOLTAIC SYSTEMS - POWER CONDITIONERS - PROCEDURE FOR MEASURING EFFICIENCY - EDITION 1.0 Organization: IEC
Date: 1999-11-01
Description: The efficiency is calculated from a direct measurement of input and output power in the factory. An isolation transformer is included where it is applicable.
DS/EN 61683 - PHOTOVOLTAIC SYSTEMS - POWER CONDITIONERS - PROCEDURE FOR MEASURING EFFICIENCY Organization: DS
Date: 2001-01-18
Description: The efficiency is calculated from a direct measurement of input and output power in the factory. An isolation transformer is included where it is applicable.
BSI - BS 3399 - SPECIFICATION FOR TRANSFORMERS FOR USE IN SHIPS Organization: BSI
Date: 1961-07-31
Description: Single-phase and polyphase, double wound power transformers and reactors having windings insulated with Class A, B, H or C materials, 1 kVA to 1000 kVA and rated line to line voltage up to 3300 volts.

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