廈門市宜帆達(dá)新材料有限公司

美女污视频在线观看|亚洲视频在线视频观看视频在线|一般男女中文字幕av|激情四房,国产精品一区二区三区在线免费观看 ,惊天救援电影完整版在线观看国语,久久综合888

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.