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Transformer initial value

Transformer initial value, Total:62 items.

In the international standard classification, Transformer initial value involves: Radiation measurements, Resistors, Electricity. Magnetism. Electrical and magnetic measurements, Insulating fluids, Aerospace fluid systems and components, Integrated circuits. Microelectronics, Optoelectronics. Laser equipment, Railway rolling stock, Transformers. Reactors, Energy and heat transfer engineering in general, Lubricants, industrial oils and related products, Switchgear and controlgear, Insulation, Electrical accessories, Aircraft and space vehicles in general.


RU-GOST R, Transformer initial value

  • GOST 22988.1-1978 Gas caunters. Method of threshold voltage measurement
  • GOST 21342.5-1987 Variable resistors. Methods of measuring minimal resistance, index of maximal attenuation and initial resistance jump
  • GOST 24613.16-1977 Optoelectronic integrated microcircuits. Method for measuring initial residual voltage of analogue signal commutators
  • GOST 27916-1988 Electrical relays. Interruptions to and alternating component (ripple) in d. c. Auxiliary energizing quantities of measuring relays

German Institute for Standardization, Transformer initial value

  • DIN 42603:1985 Instrument transformers; rating plates
  • DIN 44767:1976 Appliance Coupling for the Primary Connection of Resistance Welding Transformers, 200 A 550 V
  • DIN 43675-1:1975 Rectangular-section connectors for terminal studs rated between 400 and 3150 A for power transformer- and wallbushings below 60 kV

Professional Standard - Electricity, Transformer initial value

  • DL/T 1096-2008 Limited value of particulate pollutant of transformer oils
  • DL/T 1096-2018 Limited value of particulate pollutant of transformer oils

YU-JUS, Transformer initial value

  • JUS N.H1.006-1990 Pcmer traasformers. Three pla?e oil immersed transformers from 4 000 to 12 500 kVA. Rated values and equlpment
  • JUS N.H1.007-1990 Power transformers. Three phase oil imnersed transformers from 20 000to 63 000 kVA.Rated values and egujpment
  • JUS N.R1.399-1983 Selenium transient overvoltage suppressors. Ratings and characteristics
  • JUS N.H1.005-1990 Pafter transformers. Three pbase oil immersed distribution transformers from 50 to 2 500 kVA. Rated values and equipment

British Standards Institution (BSI), Transformer initial value

  • BS ISO 14085-6:2015 Aerospace series. Hydraulic filter elements. Test methods. Initial cleanliness level
  • BS 7821-3:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Supplementary requirements for transformers with highest voltage for equipment equal to 36 kV
  • BS 7821-1:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV
  • BS 7844-2:1996 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Supplementary requirements for transformers with highest voltage for equipment equal to 36 kV
  • BS 7821-4:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Determination of the power rating of a transformer loaded with non-sinusoidal currents
  • BS 7844-3:1998 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Determination of the power rating of a transformer loaded with non-sinusoidal current
  • BS 7821-2.3:1998 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Distribution transformers with cable boxes on the high voltage and/or low voltage side - Cable boxes type 2 for use on
  • BS 7844-1:1996 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV

Canadian Standards Association (CSA), Transformer initial value

  • CSA C802.2-06-2006 Minimum Efficiency Values for Dry-Type Transformers
  • CSA C802.3-2015 Valeurs minimales de rendement pour les transformateurs de puissance (Deuxième édition)
  • CSA C802.2-2012 Valeurs minimales de rendement pour les transformateurs à sec (Troisième édition; Mise à jour no 1: Mai 2013)

CO-ICONTEC, Transformer initial value

Association Francaise de Normalisation, Transformer initial value

  • NF F65-320*NF EN 62520:2012 Railway applications - Electric traction - Short-primary type linear induction motors fed by power converters
  • C52-111:1960 Electrical transformers. Three-phase two-winding transformers 1000 to 10000 kilovoltamperes. Rated primary voltage 5.5 T0 63 kilovolts. Rated secondary voltage 3 to 20 kilovolts. Additional requirements. Characteristics.
  • C52-052:1965 Insulated transformer bushings. Porcelain bushings rated 1 kilovolt.
  • C52-057:1965 Insulated transformer bushings. Outdoor condenser bushings rated 23 to 36 kilovolts.
  • NF C52-061:1969 Transformers. Plug-in bushings rated 23 kv and 50 A or 125 A.
  • NF C52-112-4:1995 Three-phase oil-immersed distribution transformers 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv. Part 4 : determination of the power rating of a transformer loaded with non-sinusoidal currents.

Japanese Industrial Standards Committee (JISC), Transformer initial value

  • JIS E 6111:2012 Railway applications -- Electric traction -- Short-primary type linear induction motors fed by power converters

Professional Standard - Petrochemical Industry, Transformer initial value

  • SH/T 0295-1992 Methods of measurement for the volatile and water-soluble acid in the early stage of transformer oil oxidation

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Transformer initial value

  • GB 20052-2006 The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers
  • GB 24790-2009 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
  • GB/T 28552-2012 Determination of acid number in transformer oil and turbine oils by BTB method
  • GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers
  • GB/T 7599-1987 Determination of acid number in transformer and turbine oils in service by BTB method

国家市场监督管理总局、中国国家标准化管理委员会, Transformer initial value

  • GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers

American National Standards Institute （ANSI), Transformer initial value

  • ANSI C37.32-2002 High-Voltage Air Disconnect Switches Interrupter Switches, Fault Initiating Switches, Grounding Switches, Bus supports and Accessories Control Voltage Ranges – Schedule of Preferred Ratings, Construction Guidelines and Specifications
  • ANSI/IEEE C57.119:2002 Recommended Practice for Performing Temperature Rise Tests on Oil Immersed Power Transformers at Loads Beyond Nameplate Ratings
  • ANSI C12.11-1987 Instrument transformers for revenue metering, 10 kV BIL through 350 kV (0.6 kV NSV through 69 kV NSV)

IEEE - The Institute of Electrical and Electronics Engineers@ Inc., Transformer initial value

  • IEEE 391-1976 STANDARD FOR HIGH-POWER (GREATER THAN 300 WATTS@ PEAK) PULSE TRANSFORMERS
  • IEEE C57.12.11-1980 Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger@ 69-287 kV Rating)
  • IEEE P62.44/D15.3-2016 Draft Guide for the Application of Low-Voltage (1000 Volts rms or Less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Equipment)
  • IEEE P62.44/D15.4-2016 Draft Guide for the Application of Low - Voltage (1000 Volts rms or Less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Equipment)
  • IEEE C57.119-2018 Recommended Practice for Performing Temperature Rise Tests on Oil-Immersed Power Transformers at Loads Beyond Nameplate Ratings
  • IEEE C57.119-2001 Recommended Practice for Performing Temperature Rise Tests on Oil-Immersed Power Transformers at Loads Beyond Nameplate Ratings

Institute of Electrical and Electronics Engineers (IEEE), Transformer initial value

  • IEEE Std C57.12.11-1980 Guide for installation of oil-immersed transformers (10 MVA and larger, 69-287 kV rating)
  • ANSI/IEEE Std C57.12.11-1980 IEEE Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger, 69-287 kV Rating)
  • IEEE P62.44/D15.3, May 2016 IEEE Draft Guide for the Application of Low-Voltage (1000 Volts rms or Less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Equipment)
  • IEEE PC62.44/D15.2, October 2014 IEEE Draft Guide for the Application of Low-Voltage (1000 Volts rms or Less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Equipment)
  • IEEE PC57.119/D2a, January 2018 IEEE Draft Recommended Practice for Performing Temperature Rise Tests on Liquid-Immersed Power Transformers at Loads Beyond Nameplate Ratings
  • IEEE Std C57.119-2018 IEEE Recommended Practice for Performing Temperature Rise Tests on Liquid-Immersed Power Transformers at Loads Beyond Nameplate Ratings
  • IEEE PC57.119/D2, March 2017 IEEE Draft Recommended Practice for Performing Temperature Rise Tests on Liquid-Immersed Power Transformers at Loads Beyond Nameplate Ratings
  • IEEE PC57.119/D1, January 2015 IEEE Draft Recommended Practice for Performing Temperature Rise Tests on Liquid-Immersed Power Transformers at Loads Beyond Nameplate Ratings

API - American Petroleum Institute, Transformer initial value

  • API TR 934-F PART 1-2017 Impact of Hydrogen Embrittlement on Minimum Pressurization Temperature for Thick-wall Cr-Mo Steel Reactors in High-pressure H2 Service-Initial Technical Basis for RP 934-F (FIRST EDITION)

National Aeronautics and Space Administration (NASA), Transformer initial value

  • NASA NACA-RM-L52B13-1952 Effects of some primary variables of rectangular vortex generators on the static-pressure rise through a short diffuser

United States Navy, Transformer initial value

  • NAVY MIL-T-15108 C (1)-1985 TRANSFORMERS, POWER, STEP-DOWN, SINGLE-PHASE, 60 HERTZ, 1-KILOVOLTAMPERE APPROXIMATE MINIMUM RATING, DRY TYPE, NAVAL SHIPBOARD
  • NAVY MIL-T-15108 C-1975 TRANSFORMERS, POWER, STEP-DOWN, SINGLE-PHASE, 60 HERTZ, 1-KILOVOLTAMPERE APPROXIMATE MINIMUM RATING, DRY TYPE, NAVAL SHIPBOARD
  • NAVY QPL-15108-2013 TRANSFORMERS, POWER, STEP DOWN, SINGLE PHASE, 60 HERTZ, 1 KILOVOLTAMPERE APPROXIMATE MINIMUM RATING, DRY TYPE, NAVAL SHIPBOARD

GOSTR, Transformer initial value

  • GOST 9736-1991 Electric apparatus of direct transformation for measuring non-electrical values. General technical requirements and methods of tests

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