OVERLOAD AND SHORT-CIRCUIT PROTECTIVE DEVICE FOR ELECTRIC CIRCUITS Russian patent published in 1998 - IPC

Abstract RU 2121743 C1

FIELD: electrical engineering. SUBSTANCE: device has comparison unit that functions to compare regulated voltage and converted ac voltage across auxiliary winding of ac voltage shaper transformer which is initially supplied with power from voltage regulator output through diode; comparison unit is supplied with voltage picked off output of delay unit. EFFECT: enlarged functional capabilities, improved speed of response, reduced power loss. 3 cl, 3 dwg

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RU 2 121 743 C1

Authors

Kelekhsaev B.G.

Dates

1998-11-10Published

1997-06-04Filed