结合工程实例,针对大容量制冷机组电压等级的确定以及采用不同电压等级机组方案的比较、配电变压器容量选择、配电系统方案确定、机组启动时母线压降校验等关键问题,提出对应的可行性解决方案及计算过程,并给出选择结果及建议。 Combining with the engineering examples, the key problems such as the determination of the voltage level of the large-capacity refrigeration unit, the comparison of different voltage-level units, the selection of the distribution transformer capacity, the determination of the distribution system and the check of the busbar voltage drop at the start of the unit are put forward. Correspondingly, Feasibility solutions and calculation process, and gives the choice of results and recommendations.