本公司供應(yīng)全新羅克韋爾1398-DDM-150伺服驅(qū)動器ALLEN BRADLEY,價格優(yōu)惠,快速交貨,
型號
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:固原AB羅克韋爾伺服驅(qū)動器2098-DSD-HV220-SE廠家
Allen Bradley 1398-DDM-009-DN
Allen Bradley 1398-DDM-005X-NV
Allen Bradley 1398-DDM-005X-DN
Allen Bradley 1398-DDM-009X
Allen Bradley 1398-DDM-019-DN
Allen Bradley 1398-DDM-009X-DN
Allen Bradley 1398-DDM-005X
Allen Bradley 1398-DDM-005-DN
Allen Bradley 1398-DDM-005
Allen Bradley 1398-DDM-075X
Allen Bradley 1398-DDM-075
Allen Bradley 1398-DDM-010X
Allen Bradley 1398-DDM-010
Allen Bradley 1398-DDM-150
Allen Bradley 1398-DDM-020X
Allen Bradley 1398-DDM-020
Allen Bradley 1398-DDM-030X
Allen Bradley 1398-DDM-030
Allen Bradley 1398-DDM-019X-DN
Allen Bradley 1398-DDM-019X
Allen Bradley 1398-DDM-150X
Allen Bradley 1398-DDM-019
Allen Bradley 1398-DDM-009
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:固原AB羅克韋爾伺服驅(qū)動器2098-DSD-HV220-SE廠家低壓斷路器在正常的情況下起到接通和斷開負(fù)荷電流,同時還可以具有過負(fù)荷和短路保護(hù)的功能。那么對于配電變壓器低壓側(cè)的斷路器怎么去整定和選擇呢?配電變壓器低壓側(cè)總斷路器的設(shè)置,斷路器具有長延時、短延時和瞬時三段式電流保護(hù),為了保證變壓器的保護(hù)與出線回路的選擇性的配合,通常配電變壓器的低壓側(cè)進(jìn)線斷路器不宜設(shè)置瞬時保護(hù)。下面一一介紹低壓斷路器三段式電流保護(hù)值的整定計算。配電變壓器低壓側(cè)斷路器三段式電流保護(hù)值的整定計算1.1低壓斷路器長延時過電流脫扣器的整定電流低壓斷路器長延時過電流脫扣器的整定電流宜等于或者接近變壓器低壓側(cè)的額定電流值。