VOLTAGE TRANSFORMER WITH OVERLOAD PROTECTION Russian patent published in 2005 - IPC

FIELD: electric engineering.

SUBSTANCE: device has adjusting element 2, input of which is connected to input 1 of voltage transformer, and output - to first output of voltage transformer, block 3 for controlling protection, output of which is connected to control input of adjusting element 2, overload detector 6, connected to common bus and input of which is connected to second output of voltage transformer. Also provided are repeated enabling delay block 4 and overload duration determining block 5.

EFFECT: higher efficiency, broader functional capabilities.

2 dwg