【国外标准】 IEEE Standard for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers for Use with Separable Insulated High-Voltage Connectors (34 500 GrdY/19 920 Volts and Below, 2500 kVA and Smaller)

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IEEE C57.12.26-1992 [ Withdrawn ]
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标准简介

适用范围：

This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase, 60 Hz, mineral-oil-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers with separable insulated high-voltage connectors. These transformers are rated 2500 kVA and smaller, with high voltages of 34 500 Grd Y/19 920 V and below and with low voltages of 480 V and below. These transformers are used generally for step-… read more down purposes from an underground primary cable supply. NOTE — Refer to latest Federal regulations concerning polychlorinated biphenyl (PCB) contamination in transformers. This standard covers connector and terminal arrangements for both radial-feed and loop-feed systems. Either certain minimum dimensions (see Figs 1-4) or certain specific dimensions (see Figs 5.A-8) shall be specified. This standard does not cover the electrical and mechanical requirements of any accessory devices that may be supplied with the transformer. read less

基本信息

标准号：
IEEE C57.12.26-1992 [ Withdrawn ]
标准名称：
IEEE Standard for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers for Use with Separable Insulated High-Voltage Connectors (34 500 GrdY/19 920 Volts and Below, 2500 kVA and Smaller)
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