Overview of Broadband Measurement Characteristics of Voltage Sensing Devices

A high proportion of new energy and high-frequency power electronic equipment access to the new power system presents a large number of high harmonics, broadband oscillation, electromagnetic interference and voltage fluctuations and voltage flicker and other characteristics, the development of voltage sensing devices to ensure the accuracy of the measurement of industrial frequency and harmonic power measurement, the correct action of the relay protection device, transmission line over-voltage monitoring and other aspects of the important significance. To this end, several high-voltage measurement devices are outlined, the working principle and transmission characteristics of several different types of high-voltage measurement devices are compared and analyzed, and the technology enhancement methods are analyzed, and finally the advantages, disadvantages and adaptability of several high-voltage measurement devices are summarized and prospects are made for the practical application and future development of the device.