【摘要】 在10kV配网中变压器接线组别通常采用Yyn0和Dyn11两种方式,文章通过对两种接线方式的配电变压器的优、缺点进行比较分析,结合电网电压治理工作中的实际案例,着重探讨了不同接线组别配电变压器在三相负荷不平衡条件下,对三相电压不平衡的影响,从电压治理的角度论述了配电变压器宜选用Dyn11接线组别的必要性。更多还原

【Abstract】 Yyn0 and Dyn11 patterns are usually used in 10 kV distribution network. The advantages and disadvantages of distribution transformers with these two connection patterns are compared. Combined with the actual case of low voltage control,the paper also analyzes the impact of distribution transformer with different connection patterns on the unbalanced voltage. From the point of voltage control,the paper explains reasons of Dyn11 connection pattern should be used for distribution transformer.更多还原