三、变压器的分类（classification of transformer） 用途分：升压变压器、降压变压器； 相数分：单相变压器和三相变压器； 线圈数：双线圈变压器、三线圈变压器和自耦变压器； 铁心...
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At first, in this paper, the principle of voltage transformer is introduced, and the classification, basic parameters and error analysis of voltage transformer are stated.
首先，本文简单介绍了电压互感器的原理，描述了电压互感器的分类、基本参数和误差分析。
This paper discusses the characteristics, structure and function classification of intergrated automation system of digital transformer station.
论述了数字化变电站综合自动化系统的特征、结构及功能划分。
Finally, the model is built by constructing a dynamic gray target, and then the healthy state of transformer is obtained by the state classification strategy.
最后，通过构造动态灰靶评价模型求得靶心度，再结合状态分级策略得到变压器的健康状态。
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