談談交流電機IMHSS03貝利模件IMHSS03
交流電機一般分為同步和異步電機
1、交流同步電機:就是轉子是由永磁材料構成,所以轉動后,隨著電機的定子旋轉磁場的變化,轉子也做響應頻率的速度變化,而且轉子速度=定子速度,所以稱"同步"。
2、交流異步電機:轉子由感應線圈和材料構成。轉動后,定子產生旋轉磁場,磁場切割定子的感應線圈,轉子線圈產生感應電流,進而轉子產生感應磁場,感應磁場追隨定子旋轉磁場的變化,但轉子的磁場變化永遠小于定子的變化,一旦等于就沒有變化的磁場切割轉子的感應線圈,轉子線圈中也就沒有了感應電流,轉子磁場消失,轉子失速又與定子產生速度差又重新獲得感應電流...所以在交流異步電機里有個關鍵的參數是轉差率就是轉子與定子的速度差的比率。
3、對應交流同步和異步電機變頻器就有相映的同步變頻器和異步變頻器,伺服電機也有交流同步伺服和交流異步伺服,當然變頻器里交流異步變頻常見,伺服則交流同步伺服常見。
伺服與變頻的一個重要區(qū)別
變頻可以無編碼器,伺服則必須有編碼器,作電子換向用,交流伺服的技術本身就是借鑒并應用了變頻的技術,在直流電機的伺服控制的基礎上通過變頻的PWM方式模仿直流電機的控制方式來實現的,也就是說交流伺服電機必然有變頻的這一環(huán)節(jié):變頻就是將工頻的50、60HZ的交流電先整流成直流電,然后通過可控制門極的各類晶體管(IGBT,IGCT等)通過載波頻率和PWM調節(jié)逆變?yōu)轭l率可調的波形類似于正余弦的脈動電,由于頻率可調,所以交流電機的速度就可調了(n=60f/2p,n轉速,f頻率,p極對數).IMMFP12貝利模件IMMFP12IMMFP12貝利模件IMMFP12IMMFP12貝利模件IMMFP12
Honeywell TDC 3000 Five-slot Chassis Fan Assembly (51400646-100)
51400647-100 Honeywell TDC 3000 Ten-slot Chassis Fan Assembly (51400647-100)
51400667-100 Honeywell TDC 3000 LCN Interface (51400667-100)
51400669-100 Honeywell TDC 3000 Floppy Disc Controller (51400669-100)
51400700-100 Honeywell TDC 3000 Data Hiway Interface (51400700-100)
51400712-100 Honeywell TDC 3000 Five-slot Chassis Power Supply (51400712-100)
51400712-200 Honeywell TDC 3000 Ten-slot Chassis Power Supply (51400712-200)
51400910-100 Honeywell TDC 3000 Enhanced Memory (51400910-100)
51400955-100 Honeywell TDC 3000 Process Network Interface (51400955-100)
51400972-100 Honeywell TDC 3000 Keyboard Interface (51400972-100)
51400978-100 Honeywell TDC 3000 Processor (51400978-100)
51400997-100 Honeywell TDC 3000 PLC Gateway Interface (51400997-100)
51400997-200 Honeywell TDC 3000 Enhanced PLC Gateway Interface (51400997-200)
51401052-100 Honeywell TDC 3000 SPC Card (51401052-100)
51401072-200 Honeywell TDC 3000 QMEM-2 (51401072-200)
51401072-300 Honeywell TDC 3000 Enhanced Memory (51401072-300)
51401088-100 Honeywell TDC 3000 CNI Interface (51401088-100)
51401163-100 Honeywell TDC 3000 Process Network Modem (51401163-100)
51401286-100 Honeywell TDC 3000 Interface Card (51401286-100)
51401288-100 Honeywell TDC 3000 68020 w/2 mg (51401288-100)
51401288-200 Honeywell TDC 3000 68020 w/3 mg (51401288-200)
51401291-100 Honeywell TDC 3000 Low Power LCN (51401291-100)
51401496-100 Honeywell TDC 3000 Dual Node Fan Assembly (51401496-100)
51401497-100 Honeywell TDC 3000 Dual Node Power Supply (51401497-100)
51401551-200 Honeywell TDC 3000 68020 w/2 mg (51401551-200)
51401551-300 Honeywell TDC 3000 68020 w/3 mg (51401551-300)
51401551-400 Honeywell TDC 3000 68020 w/4 mg (51401551-400)INNIS21貝利ABB模件
51401551-600 Honeywell TDC 3000 68020 w/6 mg (51401551-600)
51401551-800 Honeywell TDINNIS21貝利ABB模件
1394-SJT10-C-RL
1394-SJT10-T-RLIMHSS03貝利模件IMHSS03
1394-SJT22-A
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1394-SJT22-T
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1394-SR10A
1394-SR36A
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1394-SR9A
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