论文部分内容阅读
步进电机绕组属于电感性负载。对于小功率步进电机,由于它的电感小些,使用还比较方便。但对于大功率步进电机,例如输出力矩为2公斤米的国产各种型号的步进电机,其电感量达到十几乃至数百毫亨,这就给使用者带来不少麻烦。首先,大的电感使功率管易于遭受二次击穿而损坏;其次,电感量太大也影响了系统的快速性。为此,人们针对这一情况研究了大功率步进电机功放电路。目前用得较多的是高低压定时控制电路,其原理是,开机时先用高电压(一般为90～110伏)对步进电机绕组强行供电,并在供电约几百至1千微秒左右时关
Stepper motor windings are inductive loads. For small power stepper motor, due to its smaller inductance, the use of more convenient. But for high-power stepper motor, for example, the output torque of 2 kilograms of various domestic-made stepper motor, the inductance reaches ten or even hundreds of millihenries, which gives the user a lot of trouble. First of all, the large inductance makes the power tube vulnerable to the second breakdown and damage; Secondly, too much inductance also affects the rapidity of the system. To this end, people have studied the situation of high-power stepper motor amplifier circuit. Currently used more high and low voltage timing control circuit, the principle is that the first boot with high voltage (usually 90 ~ 110 volts) for stepping motor windings forcibly power supply, and the power supply of about a few hundred to one thousand microseconds When closed