Product Details

Product Overview

The HSM series products are suitable for oil-immersed transformers, reactors, capacitors, instrument transformers, and oil-immersed bushings at various voltage levels from 110KV to 750KV. They can be conveniently connected to substation integrated automation systems as well as power plant DCS and SIS systems to achieve information sharing.

The HSM3000 Transformer Oil Chromatography Online Monitoring System (multi-component principle) is a transformer chromatography online monitoring product based on gas chromatography technology. The system can detect online the contents of all component gases dissolved in transformer oil, such as H2, CO, CO2, CH4, C2H2, C2H4, C2H6, and micro-water, at set intervals. Then, through an expert system, it determines whether there are latent faults, whether they are overheating faults or discharge faults, and provides audible and visual alarms according to set alarm values. The online monitoring system can send each detection result to relevant personnel's mobile phones via SMS in a timely manner, facilitating timely understanding of the transformer's operating status.

System Integration

    Physically, the HSM3000 system consists of an online chromatography monitoring cabinet, transformer valve interface components, stainless steel oil pipes, a background monitoring host, and fault diagnosis expert system software modules.

    Logically, the HSM3000 system is composed of a gas collection module, gas separation module, chromatography detection and data acquisition module,

data and spectrum analysis module, fault diagnosis module, and other parts.

Working Principle

The gas collection module realizes the separation of transformer oil and gas. In the gas separation module, the gas flows through the chromatographic column to achieve separation of multiple gases. The separated gases are then converted from chemical signals to electrical signals in the chromatography detection system. The electrical signals are collected by the data acquisition module and uploaded to the data and spectrum analysis software system via communication ports and networks. This system can analyze and calculate the spectrum, and automatically calculate the concentration of each gas based on gas calibration data. The fault diagnosis system uses the gas concentrations and the transformer fault diagnosis algorithm within the software system to automatically diagnose the transformer's operating status. If an abnormality is found, the system can diagnose the type of internal fault in the transformer and provide maintenance recommendations.



Note: The above information and technical parameters are compiled and published by Yangzhou DARUI Electric Co., Ltd.