Description
二相步进电机驱动电路设计 … 了BYG通用系列二相步进电机最常采用的的单极性和 … 原理上体现了二相步进电机的控制方法,增加了步进电机驱动电路设计的灵活性。二相步进电机的单极性和双极性2种 …
一款三相异步电机节电控制电路 “… 电压使
可控硅触发提前或是后移。电机轻载时,电压电流有效值降低电机负载增加时,
电压电流有效值 … E的脉冲Ue,脉冲宽度随电机功率因数变
化。调节W可改变 … 、R2和
G.等组成。电机绕组w,接于电源AB两相 …”
一款新颖的单相电机控制电路 “… 由于电容cz Wj穆柑作用,电机的副绕组也流过相位超前的变流电流,于
是电机被起动并正常运转。
…
崩干要求快速制动的变流电机。”
一款电机换向自动调整电路 “… 0,继
电器Kl水动作,电机的帽序为A-B-C.当电机的接线改变,相序为A … 继电器托,矗·动作,
缱电机的转向不变。”
一款小型直流电机控制电路(二) “… 电路是小型直流电机控制电路,坩电机转动时产生的感应电
』E … 电.经T rl缓冲后驱动电机,此时反馈信号又使(2)脚 … 回皇]J
l/3Vce,保证电机保持在一定的转述。”
一款直流电机脉宽调速电路 “… 。这个时悯足以使尢多数电机启动,
ianlwa最后转 … 放电时间即”r连续捌节电机转建。接围中所示 … 埘
为I – 14毫秒,因此,电机转速的蒯节范围相当宽。 … 崩来控制12V/6A的直溅电机。”
一款双向比例电机控制电路 “… 电机述度的双向控制是增过 … 甜1图1- 62所
示,电机的骝动J辨星 只 … 巾心
的,振荡波形对称,电机停转当
电位器滑向一侧时 …
向给出偏£巨,使电机转动。”
一款电机工作状态指示电路 “… 流互感嚣,它可以从电机的任相中,检删出电流 … W, L产生直流电压信号。当电机轻裁时,
M,N点 … L,(黄色)亮。当电机L1.常工作时,M点 …
L,(绿色)亮。当电机垃载运行时.M.N …”
一款软键盘驱动器四相电机驱动电路 “… I2V电源,就能驱动步进电机的运
行.,l11555时基 … 期,就改变了步进电机转速。电机定子有4个绕组,转 … 每输出100个脉冲,步进电机转一周.步距角3 …”
一款三相电机缺相保护电路 “… 虚线框外是原电机启动,炎机电路;虚线框 …
KAI – KA3接涵使电机得电运转。一一旦电机因某种缘由缺相 … ,KAI -K人4全部断开,电机失电停止运转:同时KD2
由 …”
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