Fluorescence Based Fiber Optic Temperature Sensors

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Fluorescence based fiber optic monitoring system conducts real time monitoring to accurately measure temperature of transformer’s winding hotspot and switchgear contact points. It is a single point temperature sensor. It is suitable for work in harsh environment like high pressure, high temperature and strong electromagnetism. The size of fiber sensor is very small and it can be easily installed on measuring point with high measurement accuracy and high response frequency.

In this technology rare-earth fluorescent material is formed at the tip of the optical fiber. The other end of the fiber is attached to a light source. The light source is used to excite the fluorescent material. After excitation, the fluorescent material tends to return to its ground state by emitting a photon (light). The time taken to return to ground state varies according to temperature.


Fluorescence Based Fiber Optic Temperature Sensors Models


Fiber Optic Temperature Sensor for Switchgear Busbar

The TQ-12 type fiber optic temperature monitoring systems from Tempsens offers real time and condition based temperature monitoring of Switchgear hot spot which gives situational awareness of Switchgear health and keep equipment from catastrophe failure.


Fiber Optic Temperature Sensor for RMU Hotspot

Ring main unit is one of the key electric equipment in power distribution network, excess heat on its inner cable connections is prone to cause oxidation, resulting in a substantial decline in life span of the cable and may lead to catastrophic failure.


Fiber Optic Temperature Monitoring System for Winding Hot Spot of Transformers

Transformer winding hot points is the highest temperature in the insulation system of the winding. It is well known that the short-term effects of transformers overheat are reduction in insulation, temporary deterioration of mechanical characteristics.