聯(lián)系人:蔣經(jīng)理
手機(jī):15359273790
電話:15359273790
Q Q:3549711439
郵箱:3549711439@qq.com
地址:廈門市思明區(qū)呂嶺路1733號2009單元
型號:WOODWARD 9905-200
類別:庫存現(xiàn)貨
聯(lián)系人:蔣經(jīng)理
手機(jī):15359273790
電話:15359273790
Q Q:3549711439
郵箱:3549711439@qq.com
地址:廈門市思明區(qū)呂嶺路1733號2009單元
WOODWARD 9905-200增加輸入輸出點數(shù)
堵轉(zhuǎn)
在堵轉(zhuǎn)條件下可發(fā)生高達(dá)鎖定轉(zhuǎn)子電流的過大電流和轉(zhuǎn)矩。這一情況可造成應(yīng)力,并損壞電機(jī)、負(fù)載、機(jī)械系統(tǒng)及配電系統(tǒng)。堵轉(zhuǎn)保護(hù)防止在正常運行時由于堵轉(zhuǎn)造成的應(yīng)力及損壞。在電機(jī)處于旁路狀態(tài)之后,高于300% FLA整定值的電流將使起動器由于堵轉(zhuǎn)故障而脫扣。
失速
在失速條件下可產(chǎn)生高達(dá)鎖定轉(zhuǎn)子電流的過大電流和轉(zhuǎn)矩。這一情況可導(dǎo)致過載脫扣,并形成應(yīng)力、損壞電機(jī)、負(fù)載、機(jī)械系統(tǒng)及配電系統(tǒng)。失速保護(hù)防止電機(jī)在軟起動時間里沒有實現(xiàn)加速而受到應(yīng)力及損
壞。如果在規(guī)定的軟起動時間里電機(jī)沒有達(dá)到額定速度,則S811+將脫扣,以保護(hù)系統(tǒng)。在軟起動末期,高于200% FLA整定值的電流將使起動器由于失速故障而脫扣。
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