Device for testing frequency aliasing characteristic of Rogowski coil electronic transformer

The utility model provides a device for testing frequency aliasing characteristics of a Rogowski coil electronic transformer. The test host is connected with the upper computer and the electronic transformer. Wherein the test host comprises a main central processing unit, a data generation module and a data acquisition module which are connected with the main central processing unit, a DA conversion module is connected with the data generation module and a power amplifier, the data acquisition module is connected with a first AD conversion module, a second AD conversion module and an optical fiber interface, and the first AD conversion module is connected with a CT conversion module; the electronic transformer comprises a sensing head, a collector and a merging unit, the sensing head is connected with the CT conversion module, the collector is connected with the second AD conversion module, and the merging unit is connected with the optical fiber interface. A high-frequency signal anda transient fault signal