SHANGWEI SHANGWEI

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On-line Monitoring System for Gas in Transformer Oil by MSDGA Laser Photoacoustic Spectroscopy

This product is the application of advanced sensing technology in the basic core technology research project of the Internet of Things of the State Grid. It analyzes the gas in oil of oil-immersed power equipment, especially for real-time online monitoring and fault warning of large-scale high-voltage, ultra-high voltage and ultra-high voltage power transformers.

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  • Product Introduction

    This product is the application of advanced sensing technology in the basic core technology research project of the Internet of Things of the State Grid. It analyzes the gas in oil of oil-immersed power equipment, especially for real-time online monitoring and fault warning of large-scale high-voltage, ultra-high voltage and ultra-high voltage power transformers.

    The key components of the system are designed independently: narrow linewidth semiconductor laser, specially modulated laser wavelength, which avoids the cross interference of various gases and improves the detection accuracy of trace gases; sub-ultrasonic resonant frequency photoacoustic cell, small size, high response efficiency, reduce the influence of external noise on the system, so that the system has good stability and accuracy.

    The device through the multi-network inspection, running well, data stability, repeatability have reached a good expected index, its reliable monitoring and analysis and subsequent maintenance-free performance, has the ability to serve the safe operation of the transformer, while saving considerable operation and maintenance costs for users.

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