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Updated: May 21, 2025

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基于TMR传感器阵列的高精度,自动供电的在线电流监控系统,用于分配网络

Zhengang An1, Lei Zhang1, Zhi Wang1

  • 1State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin 300072, China.

Sensors (Basel, Switzerland)
|March 17, 2025
PubMed
概括

本研究介绍了一种自动供电系统,用于精确的实时电流监控,用于发电网. 这种创新解决方案使用TMR传感器和神经网络来确保智能电网应用的高精度和稳定性.

关键词:
在TMR传感器上.目前的在线监控系统是当前的在线监控系统.电流传感器是当前传感器.电力分配网络的电力分布网络.自动供电 自动供电 自动供电

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Overcurrent Relays

Overcurrent relays, crucial for circuit protection, are connected to the secondary current of a current transformer. There are two primary types of overcurrent relays: instantaneous and time-delay.
Instantaneous overcurrent relays activate immediately when the input current exceeds a predetermined value, known as the pickup current, instantly energizing the circuit breaker trip coil. This rapid response is vital for addressing severe faults quickly.
Time-delay overcurrent relays, on the other...
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Power System Distribution

Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
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Secondary Distribution01:25

Secondary Distribution

Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
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Instrument Transformers01:23

Instrument Transformers

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Directional Relays

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