vineta2 Thermal Image

for industrial, medium and high power transformers

conection diagramThe thermal Image is normally used in combination with the winding temperature indicator in the majorities of liquid-filled Power transformers. It simulates the winding temperature using a heating resistance connected to the secondary of the transformer CT, as shown in the connection diagram. The temperature gradient over liquid temperature, obtained in the thermal image, is proportional to the applied TC secondary current, according to the following figure:

THERMOWELL OPTIONS:

vineta2 One thermowell for winding temperature ( with or without feedthrough cables).

vineta2 Two or three thermowells with any combination of liquid and winding temperature.

 

CALIBRATION OPTIONS:

vineta2 Calibration resistance mounted inside the thermal image or mounted in the control cabinet of the transformer (1Ω suggested resistance).

vineta2 Balancing transformer for current calibration..

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