1783-HMS16TG4CGN
1783-HMS16TG4CGN
1783-HMS16TG4CGN
进行电气测量时,应遵循下列要求:
1) 三相电流用三电流互感器(或二互感器)法。
2) 采用电流互感器时,接入付边回路仪表的总阻抗(包括连接导线)应不超过其额定阻抗值。
3)试验时,各仪表读数同时读取。在测量三相电压或三相电流时,应取三相读数的平均值作为测量的实际值。
1.2 电机自动测试的特点及和当前电机测试的现状
以往的电机测试往往采用普通的指针式仪表由人工读数、人工记录,然后由人工整理成数据并描绘曲线或编写实验报告。由于某些原因如电源的波动、频率波动、负载波动等因素会使仪表的指针摆动,为了能比较准确的读出某一瞬间的各项被测参数,往往需要几个人同时读表,工作效率低。不仅如此,由于读表的不同时性以及读数、记录、计算中各种人为误差还会使实验数据分散性大,试验经过的准确度低,重复性差,现在这种测试方法基本被淘汰。
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厦门泰尼电气有限公司
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【检测标准】按原厂标准
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