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Transformer Winding Temperature Online Monitoring System

The transformer winding temperature online monitoring system adopts the principle of optical fiber temperature measurement: the optical fiber temperature measurement sensor is pre-installed in the transformer winding, the transformer oil tank is isolated from outside through the feedthrough and is sealed, the temperature measurement host is connected by the connector and external optical fiber, and the data are uploaded to the analysis system after conversion processing to give an accurate measurement result.

Functions and Advantages

• It provides dynamic, real-time, safe and reliable information to start the cooling system timely, so as to protect the transformer insulation from damage or minimize the damage and extend the service life of the transformer;

• It monitors the “hot spot” temperature of the transformer winding in real time, evaluates the running status of the transformer, so as to control the cooling system more economically and efficiently and optimize the cost, while increasing the system reliability;

• It monitors the temperature change trend of the transformer online for a long time and establishes records to realize pre-event management and risk prediction;

• During peak-load running, it prevents the transformer from unplanned or sudden catastrophic failure due to overheating;

• The embedded application has such characteristics as data storage, analysis, configuration, alarm and communication, and can realize such functions as real-time data recording, historical data callback, temperature trend analysis, multi-level alarm, logic triggering customization and event logging;

• The specially designed fluorescence fiber temperature sensor probe is made of rare earth materials to ensure characteristics of the product such as reliability, durability, temperature measurement precision and no drift, etc.;

• In essence, the fluorescence fiber temperature sensor probe is not affected by electromagnetic interference.

Technical Parameters