伺服电机启动电流到底有多大?

<p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">伺服电机</span><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">的启动电流是额定电流的多少倍说法不一，很多都是根据具体情况来说的。如说十几倍的、6~8倍的、5~8倍的、5~7倍的等。<br/></span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">一种是说法说在启动瞬间(即启动过程的初始时刻)伺服电机的转速为零时,这时的电流值应该是它的堵转电流值。<br/></span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">对最经常使用的Y系列三相异步电动机，在JB/T10391—2002《Y系列三相异步伺服电动机》标准中就有明确的规定。其中5.5kW伺服电机的堵转电流与额定电流之比的规定值如下：</span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">同步转速3000时，堵转电流与额定电流之比为7.0;</span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">同步转速1500时，堵转电流与额定电流之比为7.0;</span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">同步转速1000时，堵转电流与额定电流之比为6.5;</span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">同步转速750时，堵转电流与额定电流之比为6.0。</span></p><p style="overflow-wrap: break-word; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; line-height: 2em; text-wrap: wrap; color: rgb(85, 84, 84); font-family: 微软雅黑, Verdana, Geneva, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><span style="overflow-wrap: break-word; margin: 0px; padding: 0px; list-style: none; font-size: 16px;">5.5kW伺服电机功率比较大，功率小些的伺服电动机启动电流和额定电流比值要小些，所以电工教材和很多地方都是说异步电动机启动电流是额定工作电流的4~7倍</span></p><p><br/></p>