請問火牛起動接法,是如何接駁
,及是否好過星角起動
三相摩打起動問題
2010-10-29 6:01 am
回答 (2)
2010-10-30 8:43 am
✔ 最佳答案
三相摩打起動用火牛起動接法既作用係現將電壓用火牛降低來作爲三相摩打起動以減少起動電流, 好處係可以用在比較大既三相摩打, 尤其係高電壓 (3300V ~ 33000V) 三相摩打, 因爲如果要用星角起動就要6條電線, 火牛起動就用3條電線。圖片參考：http://img.en.china.cn/0/0,0,407,3408,411,445,b0ed8c0b.jpg
圖片參考：http://victoruae.com/images/images//motorstarting_diag1.gif
圖片參考：http://www.claytonengineering.com/training/myweb6/module21/output/images/RVSFIG66.jpg
圖片參考：http://www.stabilizer-transformer.com/upfiles/1246584684three%20phase%20autotransformer.jpg
圖片參考：http://www.transmag-transformers.co.uk/img/Korndorffer_Transformer.jpg
2010-10-30 10:20 pm
Both star-delta and auto-transformer starters are the same!
They reduce the starting voltage of the motor and reduce the starting current.
Modern design motor starters replaced those old technology with either "soft- starter " or VSD (Variable Speed drive). Generally limit the motor starting current below 1.5 of the motor duty current.
They reduce the starting voltage of the motor and reduce the starting current.
Modern design motor starters replaced those old technology with either "soft- starter " or VSD (Variable Speed drive). Generally limit the motor starting current below 1.5 of the motor duty current.
參考: Motor Handbooks
收錄日期: 2021-04-13 17:36:45
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