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HIGH-PRECISION AND SYNCHRONIZED WIDEBAND MEASUREMENT TECHNOLOGY AND ITS APPLICATIONS

To enhance the monitoring capability of the operation situation in wide frequency band of power systems integrated with large-scale power electronic devices, the wideband synchronized measurement unit (WMU) has been developed using the embedded DSP-FPGA computing module based on fast noise filter and fast tuning TFT wideband measurement algorithm. The WMU has been integrated with 5G communication technology, which can meet the communication needs of multi scenarios. The high-speed transmission of wideband measurement data is realized using the optical fiber communication and 5G/4G wireless communication. The potential applications of WMU mainly include the wideband oscillation monitoring, the wideband parameter identification, the wideband disturbance localization, the high-precision power quality assessment, the wideband feature driven fault identification, the post-mortem wideband disturbance analysis, and the wideband transfer characteristics testing of electrical devices.