廈門市宜帆達(dá)新材料有限公司

免费一级在线,蜗居未删减完整版在线观看,欧美日韩成人免费视频,免费精品成人永久在线播放av,91在线免费播放,欧美日韩一区二区三区视频,国产伦理影院

廈門市宜帆達(dá)新材料有限公司
廈門市宜帆達(dá)新材料有限公司
互感器
2
3
4
互感器
2
3
4

Transformers are also called instrument transformers, which are a collective name for current transformers and voltage transformers. It can change high voltage to low voltage and large current to small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard low current (5A or 1A, both refer to the rated value) in order to achieve the standardization and small size of measuring instruments, protection equipment and automatic control equipment. Into. At the same time, the transformer can also be used to separate high-voltage systems to ensure the safety of people and equipment.