GOST 3484-77
ГОСТ 3484-77
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Power transformers. Test methods
Трансформаторы силовые. Методы испытаний
Status: Not effective - Completely superseded in parts. IUS 12-1988
The standard applies to general-purpose power stationary transformers, including autotransformers, transformers for own needs of the power plant and for complete transformer substations of voltage classes up to 750 kV inclusive and establishes methods for checking the transformation ratio, checking the winding connection group, checking losses and no-load current checking losses and short-circuit voltage, measuring winding resistance of direct current and zero-sequence resistance for three-phase transformers with a capacity of 5 kV * A and more and single-phase power over 1 kV * A, and for three-phase power of 6.3 kV * A or more and single-phase power over 4 kV * A; determination of insulation parameters, heat tests, tank density tests
Стандарт распространяется на силовые стационарные трансформаторы общего назначения, в том числе на автотрансформаторы, трансформаторы для собственных нужд электростанции и для комплектных трансформаторных подстанций классов напряжения до 750 кВ включительно и устанавливает методы проверки коэффициента трансформации, проверки группы соединения обмоток, проверки потерь и тока холостого хода, проверки потерь и напряжения короткого замыкания, измерения сопротивления обмоток постоянному току и сопротивления нулевой последовательности для трехфазных трансформаторов мощностью 5 кВ*А и более и однофазных мощностью свыше 1 кВ*А, а для трехфазных мощностью 6,3 кВ*А и более и однофазных мощностью свыше 4 кВ*А; определение параметров изоляции, испытания на нагрев, испытания бака на плотность
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Format: Electronic (pdf/doc)
Approved: State Committee of Standards of the Council of Ministers of the USSR,
4/20/1977
SKU: RUSS73694
The Product is Contained in the Following Classifiers:
PromExpert »
SECTION I. TECHNICAL REGULATION »
V Testing and control »
4 Testing and control of products »
4.15 Testing and control of products of electronic, optical and electrical industry »
4.15.1 Electric machines, electrical equipment and materials »
ISO classifier »
29 ELECTRICAL ENGINEERING »
29.180 Transformers. Reactors »
National standards »
29 ELECTRICAL ENGINEERING »
29.180 Transformers. Reactors »
National Standards for KGS (State Standards Classification) »
Latest edition »
E Power and electrical equipment »
E6 Electric machines, transformers and converters »
E69 Test methods. Packaging. Marking »
National Standards for OKSTU »
ELECTRICAL EQUIPMENT AND MATERIALS »
Control methods (testing, analysis, measurements) »
National Standards for OKSTU »
ELECTRICAL EQUIPMENT AND MATERIALS »
Power transformers (single-phase with a power of 4 kVA, three-phase with a power of 6.3 kVA and above) »
As a Replacement Of:
GOST 3484-65: Power transformers. Test methods
The Document is Referenced By:
GOST 15542-79: Flame-proof mine power transformers. General specifications
GOST 17545-72: Three-phase power oil transformers of general purpose, voltage class 330 kV. Specification
GOST 17546-72: Three-phase power oil transformers of general purpose, voltage class 150 kV. Specification
GOST 22782.5-78: Explosion proof electrical apparatus with the type of protection «intrinsically-safe electrical circuit». Technical requirements and test methods
GOST 26567-85: Semiconductor energy converters. Test methods
GOST 8.216-88: State system for ensuring the uniformity of measurements. Voltage transformers. Verification methods
MI 2925-2005: Measuring voltage transformers 35… 330
RD 34.46.501: Guidelines for Operation of Transformers
TU 34-38-20216-84: Transformers (and autotransformers) power oil general purpose 110 - 330 kV. Technical conditions for major repairs
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