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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 C802.2 - MINIMUM EFFICIENCY VALUES FOR DRY-TYPE TRANSFORMERS - THIRD EDITION; UPDATE NO. 1: MAY 2013 Organization: CSA
Date: 2012-01-01
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
CSA C802.1 - MINIMUM EFFICIENCY VALUES FOR LIQUID-FILLED 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.
DS/IEC TS 60076-20 - POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY Organization: DS
IEC TS 60076-20 - POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY Organization: IEC
BSI - BS PD IEC/TS 60076-20 - POWER TRANSFORMERS PART 20: ENERGY EFFICIENCY Organization: BSI
Date: 2017-02-28
CDA - A6007 - HIGH-EFFICIENCY COPPER-WOUND TRANSFORMERS SAVE ENERGY AND DOLLARS Organization: CDA
CDA - A6080 - WEYERHAEUSER POLICY CALLS FOR PREMIUM-EFFICIENCY MOTORS AND TRANSFORMERS 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.
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
CSA C88 - POWER TRANSFORMERS AND REACTORS - FIFTH EDITION; INCORPORATING ERRATA: MARCH 2017 Organization: CSA
Date: 2016-01-01
Description: This Standard does not apply to the following: a) distribution transformers (see CAN/CSA-C2.1 and CAN/CSA-C2.2); b) instrument transformers (see CAN/CSA-C60044 series and CAN/CSA-C61869 series); c) dry-type transformers (see CSA C9); d) pad-mounted transformers (see CAN/CSA-C227 Series of Standards); e) submersible transformers (see CSA C301 Series of Standards); f) three-phase network transformers (see CSA C199); and g) rectifier transformers, welding transformers, furnace transformers, starting transformers, testing transformers, or current-limiting reactors.
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.
NEN-EN-IEC 61683 - PHOTOVOLTAIC SYSTEMS - POWER CONDITIONERS - PROCEDURE FOR MEASURING EFFICIENCY Organization: NEN
Date: 2000-04-01
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.
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.

1 - 20 of 51 results