Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2009.07a
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- Pages.686_687
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- 2009
Traceable AC Voltage and Current Measurements Using Digital Sampling Technique
디지털 샘플링 방법을 사용한 교류전압과 전류의
- Wijesinghe, W.M.S. (Korea Research Institute of Standards and Science) ;
- Park, Young-Tae (Korea Research Institute of Standards and Science)
- Published : 2009.07.14
Abstract
The traceability maintenance system for the AC voltage and current has been developed at the frequency range of 20 Hz to 100 Hz without using any compensation technique which is used at thermal converter (TC) ac-dc transfer system at low frequencies. The system uses a digital voltmeter (DVM) as a data acquisition system of the input waveform and stored data in memory. The developed algorithm acquires and processes the sampling data to calculate the root mean square (rms) value of the input voltage of DVM which operates at DC 10 V range for better accuracy. The best uncertainty of the AC voltage measurements is
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