標準號：IEEE C 57.12.38-2009
中文標準名稱：焊盤懸掛式自冷式單相輸電變壓器標準.高壓34500 GrdY/19920 V及更低,低壓240/120 V; 167 kVA及更小
英文標準名稱：Standard for pad-mounted-type, self-cooled, single-phase distribution transformers - High voltage, 34500 GrdY/19920 V and below, low voltage, 240/120 V; 167 kVA and smaller
標準類型：K41
發布日期：2009/9/11 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：K41
國際標準分類號：29.180
引用標準：IEEE 386;IEEE C 57.12.00;IEEE C 57.12.28;IEEE C 57.12.29;IEEE C 57.12.70;IEEE C 57.12.90;IEEE C 57.91
適用范圍：This standard covers certain electrical, dimensional, mechanical characteristics and safety requirements of singlephase, 60 Hz, liquid-filled, self-cooled, pad-mounted, compartmental-type distribution transformers. These transformers are rated 167 kVA and smaller, with the high voltages of 34 500 GrdY/19 920 V and below for operation between one phase and grounded neutral, and low voltage of 240/120 V. These transformers are generally used for step-down purposes from an underground primary cable supply. This standard covers the connector, bushing, and terminal arrangements for radial or loop feed systems. This standard does not cover theelectrical and mechanical requirements of any accessory devices that may be supplied with the transformer.