This standard specifies the terms and definitions, product models, performance parameters, technical requirements, testing items, markings, lifting, packaging, transportation, and storage of oil immersed amorphous alloy iron core distribution transformers. This standard applies to single-phase oil immersed non excitation voltage regulating amorphous alloy core distribution transformers (hereinafter referred to as "single-phase transformers") with a voltage level of 6 kV 10 kV, a rated frequency of 50 Hz, and a rated capacity of 5kVA -160 kVA; voltage levels of 6 kV, 10 kV, 20 kV, and a rated frequency of 50 Hz, A three-phase oil immersed non excitation voltage regulating amorphous alloy core distribution transformer with a rated capacity of 30 kVA-2500 kVA (hereinafter referred to as the "three-phase transformer")--- A three-phase oil immersed non excitation voltage regulating amorphous alloy core distribution transformer with a voltage level of 35 kV, a rated frequency of 50 Hz, and a rated capacity of 50 kVA-2 500 kVA (hereinafter referred to as the "three-phase transformer"). Note 1: Other products with rated capacity can refer to the use of this standard. Note 2: Starting from Chapter 6, the term "transformer" refers to three-phase transformers
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