IEEE C57.12.51-2019 - IEEE Approved Draft Guide for Mechanical Interchangeability of Ventilated Dry Type Transformers
Standard Details
This guide sets forth characteristics of ventilated dry type transformers relating to performance, limited electrical and mechanical interchangeability, as well as recommended practice for installation of equipment. Specific rating combinations are described up to 7500 kVA high-voltage class from 1.2 kV to 36 kV inclusive, and low voltage class up to 5kV. This guide also describes certain electrical and mechanical requirements and takes into consideration certain desirable features of 60 Hz, two-winding, three-phase, ventilated dry-type transformers. Clause 9 through clause 11 describes otherre requirements or alternatives that may be specified for some applications.
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