基于电场耦合原理和差分输入结构的多层陶瓷电容电压传感器设计

IF 4.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2025-05-08 DOI:10.1016/j.sna.2025.116672

Qing Xiong, Junyi Zhang, Jianghan Li, Yijie Tang, Qiwang Zhang, Tonghao Zhou, Zhe Zhuang, Shengchang Ji

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引用次数: 0

摘要

为了实现非接触测量和良好的瞬态响应，在差分输入结构中设计了一种新型电压传感器，该传感器利用多层陶瓷电容器（mlcc）代替差分电极之间的互电容。这种结构使其体积更小，更有利于安装和电压调节。基于电场耦合原理和差动结构，该电压传感器在测量时不需要直接接触或接地。所设计的传感器在工频下的比值误差在± 0.6 %以内，相位误差在40′以内；在500hz ~ 30khz范围内，比值误差在± 4 %以内，相位误差在4°以内。稳态和瞬态实验表明，该传感器具有精度好、瞬态响应特性好、指向性强、不易受相间干扰等优点。该传感器结构简单，性能优良，在电压测量和传感器网络中具有潜在的实际应用前景。

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Voltage sensor design with multi-layer ceramic capacitors based on electric field coupling principle and differential input structure

For non-contact measurement and excellent transient response, a novel voltage sensor is designed in a differential input structure, which utilizes multi-layer ceramic capacitors (MLCCs) to replace the mutual capacitance between the differential electrodes. This structure makes it smaller and more conducive to installation and voltage adjustment. Based on the principles of electric field coupling and differential structure, the voltage sensor eliminates the need for direct contact or grounding when measuring. The ratio error of the designed sensor under power frequency is within ± 0.6 % and the phase error is within 40’; the ratio error in the range of 500 Hz-30 kHz is within ± 4 % and the phase error is within 4°. The steady-state and transient experiments show that the sensor has the advantages of excellent accuracy, great transient response characteristics, strong directivity and insusceptible to the interphase interference. The proposed sensor boasts a simplified structure and excellent performance, which allows the potential practical applications in voltage measurement and sensor network.

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...