The selection requirements for the megohmmeter test wire,and the method of correct connection between the test wire and measured object are discussed in aspects of the influence of electrical conductivity,operation,anti-corrosive and length of test wire on the test accuracy,in the hope of realizing correct choosing the test wire,and improving the accuracy and reliability of the test.
从导电性、操作性、抗腐蚀性以及测试线长度等对测试准确性有影响的几个方面着手论述了对兆欧表测试线的选用要求,及测试线与被测对象之间的正确连接方法,以正确地选择测试线,提高测试的准确性和可靠性。
A method of indirect rotor position detection based on opposite-connect sensing coils technique and amplitude modulation encoding technique is presented in this paper.
本文是基于反串测试线圈的转子位置检测方案,结合了电感幅度调制技术,并利用三相开关磁阻电机电感曲线的几何特征,提出一种采用电感特征值比较的信号调理电路,通过简单的硬件比较电路即可获得离散的转子位置信号P、Q、R。
The application of fieldbus technology in the refrigerator test line;
现场总线技术在电冰箱测试线中的应用