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怎么降低微电机绝缘应力

来源:http://aoshangjk.com 发布时间:2020-03-30 浏览:
  如果微电机的绝缘应力过大,那么不仅会影响电机的正常运转,干扰工作效率,更会对电机在造成破坏,所以面对这种情况采取一些有效降低绝缘应力的措施,可以使电机稳定运转外,还能潜在性的提高工作效率。因此下面济南美磁达电子小编就来给大家推荐几种可以降低绝缘应力的方法吧。
  If the insulation stress of the micromotor is too large, it will not only affect the normal operation of the motor, interfere with the work efficiency, but also cause damage to the motor, so in the face of this situation to take some effective measures to reduce the insulation stress, can make the motor stable operation, but also potentially improve the work efficiency. So the following ji 'nan mei magda electronic small make up to recommend several ways to reduce the insulation stress.
山东微型电机
  1、采用输出电抗器,可以限制电容性输出电流和减小电压上升率。在变频器的输出频率小于120Hz,可以采用铁芯电抗器,变频器更大。
  1, the use of output reactor, can limit the capacitive output current and reduce the rate of voltage rise. The output frequency of the inverter is less than 120Hz, the core reactor can be used, the inverter is the largest.
  2、调制频率限制在3妞。干式螺杆真空泵当变频器输出频率大于120Hz时,可以采用铁氧体电抗器,变频器的更大调制频率限制在6kHz以下。
  2. The modulation frequency is limited to 3 girls. When the output frequency of the inverter is greater than 120Hz, ferrite reactor can be used. The maximum modulation frequency of the inverter is limited to 6kHz.
  3、采用dy/dt滤波器,可以限制电压的上升率到5OO以下。这意味着电容充电电流将明显减少而且可以把微电机的尖锋电压限制到1.76倍的电网电压。
  3. the use of dy/dt filter, you can limit the rate of voltage rise to less than 5OO. This means that the capacitor charging current will be significantly reduced and can limit the micromotor's tip voltage to 1.76 times the grid voltage.
  4、采用正弦波滤波器,可以使变频器的输出波形为正弦波,这样会减小对微电机绝缘的应力。
  4. The output waveform of the inverter can be converted to sine wave by using sine wave filter, which can reduce the insulation stress of the micromotor.
  除此之外,济南美磁达电子小编提醒大家还要对微电机做好定期的清洁、保养措施哦,这样还可以起到减少电机使用磨损,降低故障发生率,从而延长电机使用寿命的效果。同时,正确操作使用电机,也是提高其工作效率的一大关键要素。
  In addition, ji 'nan mei magda electronics small series remind you to do a good job of micromotor regular cleaning, maintenance measures oh, so can also play to reduce the use of motor wear, reduce the incidence of failure, thereby extending the effect of motor service life. At the same time, the correct operation of the motor is also a key factor to improve its work efficiency.
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