变压器制造中造成绝缘电阻偏低的因素

On the factors causing low insulation resistance in transformer manufacturing

介绍了变压器制造中造成绝缘电阻偏低的干扰因素,如受外界干扰,受温度与湿度变化影响,受剩余电荷影响,受测量时间及顺序影响,受连线现象影响。阐述了应对绝缘电阻偏低的具体措施,如降低外界干扰,选择好测量区及测量设备,控制温度与湿度,把握测量时间及顺序,进行充分放电,把握好其他细节因素,以减少外界环境对绝缘电阻的影响,保证测量结果的准确性。

The interference factors causing low insulation resistance in transformer manufacturing are introduced,such as external interference,temperature and humidity change,residual charge,measurement time and sequence,and connection phenomenon.It expounds the concrete measures to deal with the low insulation resistance,to reduce external interference,to select the measuring area and equipment,to control temperature and humidity,to grasp the measuring time and sequence,to discharge fully and to grasp other details,so as to reduce the influence of external environment on insulation resistance and ensure the accuracy of measurement results.