本公司供應(yīng)全新羅克韋爾1398-DDM-150伺服驅(qū)動(dòng)器ALLEN BRADLEY,價(jià)格優(yōu)惠,快速交貨,
型號(hào)
:固原AB羅克韋爾伺服驅(qū)動(dòng)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
:固原AB羅克韋爾伺服驅(qū)動(dòng)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(kāi)負(fù)荷電流,同時(shí)還可以具有過(guò)負(fù)荷和短路保護(hù)的功能。那么對(duì)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(zhǎng)延時(shí)、短延時(shí)和瞬時(shí)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(shí)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(jì)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(jì)算1.1低壓斷路器長(zhǎng)延時(shí)過(guò)電流脫扣器的整定電流低壓斷路器長(zhǎng)延時(shí)過(guò)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。