4.6 Article

Self-Calibration Sensor for Contactless Voltage Measurement Based on Dynamic Capacitance

Related references

Note: Only part of the references are listed.
Article Engineering, Electrical & Electronic

An Approach to Wire-Wound Hall-Effect Based Current Sensor for Offset Reduction

Soumyaranjan Ranasingh et al.

Summary: This paper proposes a novel current measurement technique based on the Hall-effect principle, achieving higher sensitivity by varying the biasing voltage and the phase of the applied magnetic field. Experimental results confirm that the offset of the sensor is reduced to zero with minimum noise and nonlinearity.

IEEE SENSORS JOURNAL (2022)

Article Engineering, Electrical & Electronic

Transfer-Power Measurement Using a Non-Contact Method for Fair and Accurate Metering of Wireless Power Transfer in Electric Vehicles

Sung Yul Chu et al.

Summary: This article presents a method called Faraday coil transfer-power measurement (FC-TPM) for accurately measuring wireless power transfer. The FC-TPM method measures the real power propagating through the air gap between transmitter and receiver coils. Fair metering incentivizes energy conservation and technological advancement.

IEEE TRANSACTIONS ON POWER ELECTRONICS (2022)

Article Engineering, Electrical & Electronic

Non-Contact Electrocardiograms Acquisition Method Based on Capacitive Coupling

Zhijun Xiao et al.

Summary: ECG monitoring is an essential method for medical diagnosis. Ag/Agcl electrodes with conductive gel can record ECG signals with good quality, but regular replacement is needed to maintain signal quality.

IEEE INSTRUMENTATION & MEASUREMENT MAGAZINE (2022)

Article Energy & Fuels

Design of a Fluxgate Weak Current Sensor with Anti-Low Frequency Interference Ability

Xiangyu Tan et al.

Summary: In response to the requirements of weak current measurement in a power grid, a weak current sensor with anti-low frequency interference ability is developed. By adopting the principle of fluxgate detection and improving the structure with a magnetic ring, the sensor achieves higher detection sensitivity. Furthermore, a low-cost magnetic shielding method is used to design a shielding shell structure, which effectively reduces interference and enables accurate measurement of weak current in the power grid.

ENERGIES (2022)

Article Computer Science, Information Systems

A Design of Peak to Average Power Ratio Based SWIPT System in 180 nm CMOS Process for IoT Sensor Applications

Pervesh Kumar et al.

Summary: In this paper, a PAPR-based SWIPT system for IoT sensor applications is proposed. By utilizing an ultra-low-power communication mechanism and multi-tone waveform for information decoding, the power consumption issue in traditional SWIPT systems is effectively addressed. The experimental results demonstrate that the proposed SWIPT system achieves high power conversion efficiency and data transfer rate.

IEEE ACCESS (2022)

Article Engineering, Electrical & Electronic

A Self-Decoupling Contactless Overvoltage Measurement Method Based on Optimization of Measuring Point

Xiaojun Yan et al.

Summary: This article proposes a new self-decoupling method and analyzes the stability of the measurement system by measuring at different locations. Then, a gradient optimizing method is introduced to select the optimal measuring point, and the effectiveness of the proposed method is validated through experiments.

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT (2022)

Review Energy & Fuels

Review on Detection and Analysis of Partial Discharge along Power Cables

Xiaohua Zhang et al.

Summary: This paper summarizes the PD mechanism and models used for PD analysis in power cables, discusses PD detection and analysis methods, and explores factors that affect PD characteristics. Challenges of PD detection and analysis along a power cable are proposed based on a comprehensive review.

ENERGIES (2021)

Article Engineering, Electrical & Electronic

Non-intrusive DC voltage measurement based on resonant electric field microsensors

Pengfei Yang et al.

Summary: A novel non-intrusive measurement scheme of DC power-line voltage based on resonant electric field microsensors with coplanar electrodes is proposed in this paper, which can avoid the influence of humidity and electromagnetic disturbance. The prototype of the non-intrusive measurement apparatus shows a favorable linear response characteristic with a linearity of 0.86%, and the experimental results are in good agreement with the theoretical results, with a maximum relative deviation of -2.16% over a range of voltages from -1000 V to 1000 V.

JOURNAL OF MICROMECHANICS AND MICROENGINEERING (2021)

Article Energy & Fuels

Non-Contact High Voltage Measurement in the Online Partial Discharge Monitoring System

Krzysztof Walczak et al.

Summary: This article presents an innovative non-contact high voltage measurement system using a capacitive probe, which ensures safe and flexible high voltage measurement. The system is discussed in terms of its principles, implementation, and experimental results.

ENERGIES (2021)

Article Chemistry, Analytical

Research and Experiments on an External Miniaturized VFTO Measurement System

Lizhe Wang et al.

SENSORS (2020)

Article Engineering, Electrical & Electronic

A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms

Marcelo A. Haberman et al.

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT (2020)

Article Engineering, Electrical & Electronic

Non-contact measurement of lightning and switching transient overvoltage based on capacitive coupling and pockels effects

Rui Han et al.

ELECTRIC POWER SYSTEMS RESEARCH (2016)

Article Engineering, Electrical & Electronic

Non-Contact Measurement of Line Voltage

David Lawrence et al.

IEEE SENSORS JOURNAL (2016)