6ES7135-6HD00-0BA1模擬量模塊
需要控制的電機及變頻器自身
1)電機的極數。一般電機極數以不多於(極為宜,否則變頻器容量就要適當加大。
2)轉矩特性、臨界轉矩、加速轉矩。在同等電機功率情況下,相對於高過載轉矩模式,變頻器規格可以降額選取。3)電磁兼容性。為減少主電源幹擾,使用時可在中間電路或變頻器輸入電路中增加電抗器,或安裝前置隔離變壓器。一般當電機與變頻器距離超過50m時,應在它們中間串入電抗器、濾波器或採用屏蔽防護電纜
6ES7135-6HD00-0BA1模擬量模塊
額定電壓(Un):用來標定器件,可長久地加在過壓保護器兩端的電壓。
欠壓保護:當被保護線路的電源電壓低於數值時,保護器切斷該線路;當電源電壓恢復到正常範圍時,保護器自動接通。
不同步轉換器:不同步轉換器(ASYCHRONOUS)是不能夠介於兩個電源供應器與負載之間的一種轉換器。
額定放電電流(Isn):避雷器在特性參數測驗時, 所通過的8/20波形(參看DIN VDE 0432/10.78 part3)涌流的峰值避雷器,能在 Uc下, 承受20次額定放電電流,而隨後的額定各參數值變化不超過10或20(視避雷器型號而定)。
331-7TF01-0AB0數字量模塊
6ES7135-6HD00-0BA1模擬量模塊
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