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陕西省渭南是个农业生产大市,农业生产用电主要集中在春、夏两季,农业排灌用电大约占全年农村用电量的80%以上,其余季节主要是照明用电。所以,农村用电具有季节性强、用电集中的特点。在农忙用电集中季节,变压器的过载运行现象严重,有时甚至出现200%过负载运行现象;而另一方面在
Weinan, Shaanxi Province, is a large agricultural production city. The electricity used for agricultural production is mainly concentrated in the spring and summer. Agricultural irrigation and drainage electricity accounts for more than 80% of rural electricity consumption in the whole year. The rest of the year is mainly for lighting electricity. Therefore, rural electricity has a strong seasonal, centralized electricity features. During the busy season of agricultural electricity supply, the overloaded operation of transformers is serious, sometimes even 200% overloaded operation occurs; on the other hand,