Transformers first appeared in the 19th century. With the development of power industry, transformers and voltage levels and accurate level has greatly improved, but also the development of a number of special high-voltage transformers Transformers Jinan, such as voltage, current hybrid transformer, high voltage transformer DC current transformer Liaocheng high-accuracy current and voltage ratio is the ratio, high current laser-type current transformer, electronic transformer Weihai high voltage transformer circuit compensation, high voltage transformer photovoltaic systems, and SF6 enclosed Switchgear (GIS) The voltage and current transformers. High voltage transformers in the power industry, to develop what voltage level and size of the power system must develop the appropriate transformer voltage level and accuracy for measuring electric power system protection and control needs. With the rapid development of optoelectronic technology, many countries have already turned to technology using optical sensor technology and electronics to develop new methods of electronic current transformer, referred photoelectric current transformer. International Electrotechnical Commission has published a standard electronic current transformer. Meaning electronic transformer, in addition to including the photoelectric transformer, also includes a variety of other electronic test principle of voltage and current sensors. Liaocheng high voltage transformers, high voltage transformers, Huayi provided by Xian Huayi power plant. Xian Huayi power plant (www.xahy.com) strong, credible, in Xi'an high-voltage circuit breakers and other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Huayi power and you hand into the brilliant, for a better future!