廈門市宜帆達(dá)新材料有限公司

www久草,亚洲视频不卡,人善交videos欧美3,国产精品一二三在线无码,欧美日韩中文国产一区,在线a久青草视频在线观看g,久久精品国内一区二区三区

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.