三相异步电动机的参数测定行业资料国内外标准规范

15.805.848.0390.67101.5108.311.7164.2603.6333.0582.1585.9445负载与电机脱开，即不加负载。b.把交流调压器的电压调至最小位14.7814.9714.9815.0815.0314.7515.805.848.0390.67101.5108.311.7164.2603.6333.0582.1585.9445负载与电机脱开，即不加负载。b.把交流调压器的电压调至最小位14.7814.9714.9815.0815.0314.75日12mm12图2-1三相异步电动机参数测定接线图.v.14.7814.9714.9815.0815.0314.757690.7101.5108.4113.7116.3117.1.6363.4335.1303.5276.7244.7201111.6105.42.312.813.354.114.714.7814.9714.9815.0815.0314.757690.7101.5108.4113.7116.3117.1.6363.4335.1303.5276.7244.7201111.6105.42.312.813.354.114.7〔3〕当施加电压从零逐渐增加，到达某值时，电机开场启动，然后逐渐测量定子绕组的冷态直流电组，用数字万用表测量三个定子绕组r值，12mm12.v题１．空载电流大约是额定电流的百分之几？异步电动机的空载电流3.092.672.382.091.821.68-96-6875.9015.4415.0864.674.1993.6031.6363.4335.1303.5276.7244.720序号U题１．空载电流大约是额定电流的百分之几？异步电动机的空载电流3.092.672.382.091.821.68-96-6875.9015.4415.0864.674.1993.6031.6363.4335.1303.5276.7244.720序号UBCCA0P.表2-1U0〔V〕UABUUABICI0P0〔W〕PP0Z00R0X0123456783604428678528954-96-68-48-32-20-8-658162547316411511043〔2〕短路实验倍额定电流，在此范围内读取短路电压、短路电流和短路功率，并将数据记录于表3-2。序Uk〔V〕Pk〔W〕kZkkkRkkXk.v为闭合的铁芯，所以异步电动机主磁路的磁阻比三相变压器磁阻大，80.876.5170.2563.7754.3646.563步电动机和三相变压器的容量、电压一样，那么所建立的磁场也应一置，接通电源，逐渐升高电压，是电动机旋转，并注意电机的旋转方AB为闭合的铁芯，所以异步电动机主磁路的磁阻比三相变压器磁阻大，80.876.5170.2563.7754.3646.563步电动机和三相变压器的容量、电压一样，那么所建立的磁场也应一置，接通电源，逐渐升高电压，是电动机旋转，并注意电机的旋转方AB000m01.号UUBCCAAUUkCAAIBICkIkPIPP123456782765195936479627157665557701604125253440704260R03I200Z2R2，其1m3I2Fe0.vvv470.4763.7954.5646.6232.9786.2.7164.2603.6333.0582.1585.9445会、1.371.3751.401.441.421.3614.580HFemecmec470.4763.7954.5646.6232.9786.2.7164.2603.6333.0582.1585.9445会、1.371.3751.401.441.421.3614.580HFemecmec短路阻抗ZkZ2R2kkRkXk12Xk即作出Pf(U2)曲线，在U2时对应的P,P。P可取P0纵轴的交点，线段OK的长度表示机械损耗P。mecUIkU,I,P分别是短路相电压、短路相电流、三相短路功率之和。让电动机过热而烧坏。五、实验小结〔包括问题和解决方法、心得体曲线，在U2时对应的P,P让电动机过热而烧坏。五、实验小结〔包括问题和解决方法、心得体曲线，在U2时对应的P,P。P可取P0纵轴的交点，线段OK的43.63.12.72.42.11.81.64.433.5862.8334.5303.2276.824