This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of single-phase, 60 Hz, mineral-oil-immersed, self-cooled, padmounted, compartmental-type distribution transformers with high-voltage bushings. These transformers are rated 167 kVA and smaller, with high-voltages of 34500 GRD/19900 volts and below for operation between one phase and grounded neutral, and low-voltage of 240/120 volts. These transformers are generally used for step-down purposes from an underground primary cable supply. NOTE–Refer to latest federal regulations concerning polychlorinated biphenyl (PCB) contaminations in transformers.
- Standard Committee
- PE/TR - Transformers
- Status
- Inactive-Withdrawn Standard
- PAR Approval
- 1991-06-27
- History
-
- ANSI Approved:
- 1995-01-03
- Published:
- 1992-12-31
Working Group Details
- Society
- IEEE Power and Energy Society
- Standard Committee
- PE/TR - Transformers
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