A new measurement technique to determine the Amplitude and Phase shift of a sinusoidal voltage signal using a charge balanced digitizer

被引：0

作者：

Bandi, A. Sai Kartheek ^{[1
]}

Vooka, Prashanth ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Tirupati, Andhra Pradesh, India

来源：

2022 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE (I2MTC 2022) | 2022年

关键词：

Phase angle measurement; Amplitude measurement; Digitizer; Charge balance based digitizer;

D O I：

10.1109/I2MTC48687.2022.9806619

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper, a digitizer that uses a new measurement technique to determine the unknown parameters of a sinusoidal voltage signal is proposed. The technique is based on the charge balance principle. The amplitude and phase shift of the unknown sinusoidal signal are calculated based on the number of transitions that occur due to continuous charging and discharging of a capacitor. A laboratory prototype is designed and tested for different amplitudes and angles of all the quadrants. Results indicate an accuracy of 50 mV in amplitude and 0.50 in phase with a 11-bit resolution.

引用

页数：6

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