BS IEC 60076-21:2018描述了浸没液体的电气、机械和试验要求， 单相和三相、50Hz和60Hz、自冷和强制风冷、配电、架空 以及变电站、阶梯式电压调节器、1000 kVA（单相装置）或3000 kVA（三相装置） 34 500伏特及以下（最低2400伏特）及其相关的 控制。交叉引用:IEEE C57。12.31IEEE 4SAE AS50151IEEE C57。19.00IEEE C37。90.2IEC 60255-21-1EEE C37。90.3IEC 60255-27IEEE C37。90.1IEC 60076-2IEC 60060IEC 60255-26IEC 60050-421IEE C57。 91IEC 61672-1IEC 60255-1ASTM D3487IEC 60214-2IEE C57。131IEC 60076-1NEMA 250:2003IEC 60529IEC 60076-5IEEE C57。13IEEE C57。12.90IEEE C57。12.20ASTM D117IEEE C57。153IEC 60214-1IEE 315ANSI C84。1IEC 60076-10IEEE C57。12.80IEEE C57。12.00ASTM F1883-03IEEE C57。106IEEE 62IEC 60076-4IEC 60076-3IEC 60076-7ANSI S1。4IEEE C57。104IEEE C57。98ISO 9614-1:1993ISO 9614-2:1996购买本文件时提供的所有现行修订版均包含在购买本文件中。

BS IEC 60076-21:2018 describes electrical, mechanical and test requirements of liquid-immersed, single- and three-phase, 50 Hz and 60 Hz, self and forced-air cooled, distribution, overhead and substation, step-voltage regulators, 1 000 kVA (single-phase units) or 3 000 kVA (threephase units) and smaller, 34 500 volts and below (2 400 V minimum) and their associated controls.Cross References:IEEE C57.12.31IEEE 4SAE AS50151IEEE C57.19.00IEEE C37.90.2IEC 60255-21-1IEEE C37.90.3IEC 60255-27IEEE C37.90.1IEC 60076-2IEC 60060IEC 60255-26IEC 60050-421IEEE C57.91IEC 61672-1IEC 60255-1ASTM D3487IEC 60214-2IEEE C57.131IEC 60076-1NEMA 250:2003IEC 60529IEC 60076-5IEEE C57.13IEEE C57.12.90IEEE C57.12.20ASTM D117IEEE C57.153IEC 60214-1IEEE 315ANSI C84.1IEC 60076-10IEEE C57.12.80IEEE C57.12.00ASTM F1883 - 03IEEE C57.106IEEE 62IEC 60076-4IEC 60076-3IEC 60076-7ANSI S1.4IEEE C57.104IEEE C57.98ISO 9614-1:1993ISO 9614-2:1996All current amendments available at time of purchase are included with the purchase of this document.