요꼬가와는 1915년 창립이래 계측, 제어, 정보기술을 축으로
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Conversion Efficiency Measurement
Renewable energy source of photovoltaic power generation and wind power is converted dc to ac using power conditioner. The WT3000E Precision Power Analyzer provides measurement with world-class DC and AC signal accuracies.

With 0.02% accuracy and 1MHz bandwidth, the WT3000 delivers where the highest precision measurements are required. It is the industry standard for R&D work on inverters, motor drives, lighting systems and electronic ballasts, UPS systems, aircraft power, transformer testing, and other power conversion devices.