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Integrator is a circuit component used for integrating input signals. Its working principle is based on the charging and discharging process of capacitors. In practical applications, integrators are commonly used in signal processing, voltage measurement, filtering, and other applications. By integrating the input signal, signal accumulation, smoothing, or filtering can be achieved.

Integrator needs to be used in combination with Rogowski Coil. The output signal is the differential of current versus time. By integrating the output voltage signal, the input current can be truly restored. The detection frequency is wide, ranging from 50 Hz to 60 MHz. Integrator and Rogowski Coil are a very flexible system that is suitable for detecting AC leakage current, large current, high harmonic current, complex waveform current, transient impulse current, phase, electrical energy, power, power factor, etc. Single or multiple Rogowski Coils can be connected for simultaneous detection, making it convenient to use and easy to operate.