PROTECTION DEVICE FOR MEDIUM VOLTAGE TRANSFORMERS Russian patent published in 2008 - IPC H02H9/00 

Abstract RU 2332768 C2

FIELD: electricity.

SUBSTANCE: device contains element (1) with threshold voltage and current characteristics and thermal fuse (2) which is connected in series between damping resistor (R1) and additional secondary winding output of one of one-phase transformers.

EFFECT: decrease of ferroresonance oscillations and device dimensions.

5 cl, 5 dwg

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RU 2 332 768 C2

Authors

Pjasetski Vojtsekh

Florkovski Marek

Ljuto Mariush

Makhonen Pentti

Dates

2008-08-27Published

2004-07-08Filed