The power quality analyzer PCB is a professional "energy quality detector" for new energy systems, engineered to assess and optimize electrical power quality. It integrates high-precision data acquisition circuits, harmonic analysis modules, and waveform processing units, with strong anti-interference capabilities to ensure measurement accuracy. It monitors parameters like voltage/current distortion, harmonic content, power factor, and frequency fluctuation in new energy generation, transmission, and consumption links, providing data support for power quality improvement. Suitable for smart grids, photovoltaic power plants, energy storage systems, and industrial new energy applications, ensuring stable and efficient energy utilization.