This scheme consists of:
1] pt-100 sensor
2] rtd based transformer protection system
This instrument is used for monitoring the temperatures of l.V. Windings of the dry type transformer. It will display winding temperatures and take necessary control action as per set and differential values programmed by the user. The protection system also records maximum temperatures and will display the same along with corresponding channel number whenever relevant push button is pressed.
Salient features:
O power line filter is incorporated in the input of the
Power supply to protect the equipment from sudden
Voltage surges and also to avoid erratic operation in
The presence of rf interference.
O high scanning speed [all 4 channels are scanned in
Less than 1 second]
O weather proof case - ip55 enclosure is provided for
The instrument to make it suitable for out door
Services.
O remote indication & data acquisition facility with
Burden upto 600 ohms.