The operation and overvoltage of power frequencytest equipment are researched and analyzed.
直接影响到土槽试验设备的正常工作和适应性。
2
The cause of vibration on the turbogenerator stator end winding is analyzed, and the meaning of natural frequencytest and vibration measurement is discussed.
本文分析了引起汽轮发电机定子绕组端部振动的原因，以及固有频率试验和振动测量的意义。
3
In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequencytest.