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BSI - BS 3938 - CURRENT TRANSFORMERS Organization: BSI
Date: 1973-02-02
Description: Appendices on guidance in application of current transformers: short-time rating; maximum V A output of bar-primary and bushing current transformers; use of current transformers for dual purpose of measurement and protection, composite error, high and low reactance current transformers.
DS/HD 554 S1 - VOLTAGE TRANSFORMERS Organization: DS
Date: 1997-09-08
Description: The general requirements apply to all voltage transformers, but, for certain types, e.g. capacitor voltage transformers, the reuqirements are subject to the modifications stated in the appropriate chapter.
VA - FED H-08-1 SEC 16461 - TRANSFORMERS (SPECIALTY) Organization: VA
Date: 2005-06-01
Description: DESCRIPTIONThis section specifies the furnishing, installation and connection of the specialty transformers specified.
VA - FED H-08-1 SEC 16321 - TRANSFORMERS, PADMOUNTED Organization: VA
Date: 2005-06-01
Description: This section specifies the furnishing, installation and connection of padmounted transformers.B. Padmounted transformers shall be complete, outdoor type, continuous duty, integral assembly, grounded, tamper-resistant and weatherproof with liquid-immersed transformers.
CSA C13 - INSTRUMENT TRANSFORMERS - THIRD EDITION; GENERAL INSTRUCTION NO 1-2 Organization: CSA
Date: 1983-11-01
Description: This Standard applies to the performance of instrument current and voltage transformers of the types generally used in the measurement of electricity and the protection and control of equipment associated with the generation, transmission, and distribution of ac electricity.
DS/IEC 186 - VOLTAGE TRANSFORMERS Organization: DS
Description: The Standard covers general reuirements applicable to all v oltage transformers; the relevant clauses of service conditi ons; important definitions.
NAVY - UFGS-33 73 00.00 40 - UTILITY TRANSFORMERS Organization: NAVY
Date: 2014-11-01
Description: NOTE: This guide specification covers the requirements for station power transformers, singleand three-phase. Indicate rating, size, and installation details on drawings.
DS/IEC 76 - POWER TRANSFORMERS Organization: DS
Description: The standard applies to all power transformers with the exce ption of certain small and special transformers. It includes service conditions, definitions, rating, tappings, cooling method identification, temperature rise limits, insulation l evels, short circuit ability, rating plates and tests
TSE - TS 267 - POWER TRANSFORMERS Organization: TSE
Date: 1978-03-30
Description: This standard applies to power transformers including auto transformers. Bu standard, denizden 1000 metre yüksekliğe kadar olan yerlerde, Madde 0.4.1 de açıklanan çalışma koşullarında, üretim, iletim ve dağıtım tesislerinde kullanılan ve Madde 0.3.2 de sayılanların dışında kalan güç transformatörlerini (ototransformatörler içinde) kapsar.
TSE - TS 267 - POWER TRANSFORMERS Organization: TSE
Date: 1995-09-22
Description: This standard covers power transformers of oil or air cooled type, for indoor and/or outdoor use (including autotransformers)
BSI - BS 171 - POWER TRANSFORMERS - AMD 1217: JULY 1973; AMD 2685: AUGUST 1978; AMD 3403: AUGUST 1980 Organization: BSI
Date: 1970-03-31
Description: May also be applied as appropriate to special transformers not at present covered by separate British Standards.
TSE - TS 718 - VOLTAGE TRANSFORMERS Organization: TSE
Date: 1978-03-09
Description: This standard applies to voltage transformers for use with electrical measuring instruments and electrical pretective devices at frequencies 15 Hz to 100 Hz.
DS/EN 60076-11 - POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS Organization: DS
Date: 2004-08-16
Description: This standard does not apply to: - gas-filled dry type transformers where the gas is not air; - single-phase transformers rated at less than 5 kVA; - polyphase transformers rated at less than 15 kVA; - instrument transformers (see IEC 60044 and IEC 60186); - starting transformers; - testing transformers; - traction transformers mounted on rolling stock; - flameproof and mining transformers; - welding transformers; - voltage regulating transformers; - small power transformers in which safety is a special consideration.
BSI - BS 7452 - SEPARATING TRANSFORMERS, AUTOTRANSFORMERS, VARIABLE TRANSFORMERS AND REACTORS Organization: BSI
Date: 1991-07-31
Description: Single-phase or polyphase air-cooled separating transformers, auto-transformers, variable transformers and small reactors having a supply voltage not exceeding 1000 V a.c. and rated frequency not exceeding 500 Hz.
DS/EN 548.3 S1 - INSTRUMENT TRANSFORMERS - PART 3: COMBINED TRANSFORMERS Organization: DS
Date: 2003-03-03
Description: This standard covers the requirements and tests in addition to the requirements and tests of IEC 60185 and 60186 for current and voltage transformers, including capacitor voltage transformers, that are necessary for combined instrument transformers.
BSI - BS EN 60742 - ISOLATING TRANSFORMERS AND SAFETY ISOLATING TRANSFORMERS REQUIREMENTS Organization: BSI
Date: 1996-04-15
Description: Specifies requirements for isolating transformers and safety isolating transformers having a rated supply voltage not exceeding 1000 V a.c. and rated frequency not exceeding 500 Hz.
DS/EN 60044-2 - INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS Organization: DS
Date: 1999-09-10
Description: Although, this standard relates basically to transformers with separate windings, it is also applicable, where appropriate, to auto-transformers. This standard does not apply to transformers for use in laboratories.
DS/EN 60044-2/A1 - INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS Organization: DS
Date: 2001-03-29
Description: Although this standard relates basically to transformers with separate windings, it is also applicable, where appropriate, to auto-transformers. This standard does not apply to transformers for use in laboratories.
DS/EN 60044-2/A2 - INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS Organization: DS
Date: 2003-03-03
Description: Although, this standard relates basically to transformers with separate windings, it is also applicable, where appropriate, to auto-transformers. This standard does not apply to transformers for use in laboratories.
IEC 60076-11 - POWER TRANSFORMERS – PART 11: DRY-TYPE TRANSFORMERS - EDITION 1.0 Organization: IEC
Date: 2004-05-01
Description: This standard does not apply to:– gas-filled dry type transformers where the gas is not air;– single-phase transformers rated at less than 5 kVA;– polyphase transformers rated at less than 15 kVA;– instrument transformers (see IEC 60044 and IEC 60186);– starting transformers;– testing transformers;– traction transformers mounted on rolling stock;– flameproof and mining transformers;– welding transformers;– voltage regulating transformers;– small power transformers in which safety is a special consideration.

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