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#b0cfee 1px solid; FLOAT: left; BORDER-LEFT: #b0cfee 1px solid; WIDTH: 955px; BORDER-BOTTOM: #b0cfee 1px solid"> <TABLE cellSpacing=0 cellPadding=10 width=955 border=0> <TBODY> <TR> <TD align=middle colSpan=2> <H3></H3></TD></TR> <TR> <TD align=middle colSpan=2> <H2>打通一矿对R调速箱q行更新换代</H2></TD></TR> <TR> <TD align=middle colSpan=2> <H3></H3></TD></TR> <TR> <TD align=right width=346><A href="http://ynryjkb.cn/" target=_blank>煤炭资讯|?/A></TD> <TD width=382>2007-6-14 7:12:05    <A href="http://ynryjkb.cn/MroeNews.aspx">?/A></TD></TR> <TR> <TD colSpan=2 class="newsContent"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML> <HEAD> <title>打通一矿对R调速箱q行更新换代     本网?q日Q打通一矿从湘潭新昕通用甉|有限公司引进ZBTIQ?50/140(B)新型R调速箱Q更换原使用的QKTB9-100/250型机车调速箱?BR>
    该矿原有7台机车,其调速箱都是六、七十年代生产的讑֤。采用的是电(sh)阻调速,起动不^EI能量损耗大Q且触头易烧坏,材料消耗多Q维护量大。新型调速箱采用?jin)先q的IGBT斩L调速方式,h无极调速、v动^E뀁v动力矩大、保护功能全{特炏V其调速箱采用无极调速方式,司机可根据实际需要Q意控制机车速度Q有效地保护?jin)机车的机械pȝQ提高工作效率,节能?0Q以上。同Ӟ采用无弧通断Q具有温度保护和q流保护Q给定可靠,l构为积木式Q进而大大g长了(jin)司控触头的用寿命,能有效防止调速器功率元g因温度过高而损坏,hU性好、寿命长、维修方便等优点Q能有效地实现节能降耗?BR>
    该新型机车调速箱投入使用以来Q司机反映效果良好。据(zhn),该矿陆l对所有机车的调速箱q行更换。 


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