Transformers OTI and WTI How does it works explained with animation
How OTI and WTI works
WTI OTI Working Principle with simple animation
Transformer OTI/WTI
WTI Winding temperature indicator working animation
OTI Oil temperature indicator working animation
OTI Working animation Transformer parts version-3 Link
https://youtu.be/vnQw4nm3Rcc

Main difference between WTI and OTI details explained in Tamil with animation
Secondary winding current transformer feedback converted to heat and given to thermostatic expansion valve for measuring proper Winding temperature monitoring
Transformer OTI-Oil temperature indicator internal parts and external parts explained in Tamil
Sensing bulb-it helps for sensing oil temperature to OTI and explained inside sensing bulb and working principle
Thermostatic expansion valve mechanism-it will helps to operate the OTI mechanism
Link leverage mechanism- it will helps to transfer the movement from thermostatic expansion valve to OTI indicator needle
Super heated spring –internal part of the thermostatic expansion valve
Calibri tube-pressure reduction in sensing bulb liquid pressure
Mercury switch-working principle compare with water bottle example for easy understanding

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