Accurately revealing the temporal and spatial laws of urban public safety incidents can provide a scientific basis for the construction of urban public safety. Telephone complaints are an important way for residents to perceive urban public safety based on objective reality. This paper uses the...

The power frequency high voltage divider is widely used to measure the power frequency high voltage and it is an important measuring instrument for high voltage test. Whether it is accurate or not directly affects the insulation monitoring level of power equipment closely related to the safety...

Based on the GTEM chamber for the equivalent height detection method of UHF partial discharge tester, this paper simulates the electric field at the top of the GTEM window. The results show that the electric field strength changes significantly along the position of the top fenestration axis....