发电(sh)Z根线怎样丈量
发电(sh)Z根线怎样丈量Q?/p>
?sh)压试?/p>
1、将万用表旋钮旋至直电(sh)?0V的挡位,丈量发电(sh)Z的电(sh)枢接U柱的电(sh)压倹{把万用表的正表W接发电(sh)机电(sh)枢接U柱Q负表笔搭铁Q让发v机略高于中速运转,q时万用表的指针应随发v{速的升高其电(sh)压g应随之升高?/p>
2、此Ӟ12V发电(sh)机电(sh)枢接U柱的电(sh)压应?3.5?4.5VQ?4V发电(sh)机电(sh)枢接U柱的电(sh)压应?7?9V间动摇。假如万用表指示的电(sh)压接qR上蓄甉|的电(sh)压g指针不动Q阐明发甉|不发?sh),毛病不在调理器?扫除了充는(sh)路和仪表损坏的缘??/p>
3、也可用万用表丈量蓄甉|两极桩之间的?sh)压Q这样即可测得蓄甉|静态电(sh)压。然后v动发hq之略高于中速运转,用同L(fng)接线办法丈量?sh)压倹{此Ӟ假如万用表指针仍甉|静态电(sh)压|阐明发电(sh)Z发电(sh)Q毛病不在调理器上?/p>
上一条:(x)没有?/a>
下一条:(x)发电(sh)机启动的正确规程