Introduction to integrators

The combination of the rogowski coil and integrator can achieve 90° phase shift compensation and frequency equalization, so that the output of rogowski coil is in the same phase as the primary current and is frequency independent, which is suitable for more application scenarios. TRV series integrators are instantaneous voltages that output proportional to primary current and are usually used with power analyzers, oscilloscopes, ammeters, data loggers, data acquisition cards and other devices

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