need help on transformers project

[naveen.chintu]

hi every body,
i need help in regarding my project on "power sharing and auto protection of transformers". iam not getting any information on this topic.could anyone help me in finding a source or any link on my topic.plz help me.

 

[tiksh]

u shoul see
application notes of site like
microchip

 

[mayu_wakui]

thermistors could be used as means of protecting a transformer..using an NTC type thermistor in pararell to the input of the transformer could terminate overvoltages..basically, an NTC thermistor's resistance decreases as temperature rises..and at high surges (in kV) temperature tends to rise..now, as the temperature rises, the thermistor become less resistive (almost zero)..this of course provide a return path to ground for the burst..so, the transformer remains protected..