DEVICE FOR PROTECTING CONTINUOUSLY RUNNING POWER CONSUMERS AGAINST VOLTAGE DIP Russian patent published in 2006 - IPC H02J9/06 

Abstract RU 2290729 C1

FIELD: electrical engineering; emergency power supply to users allowing no short-time voltage drop.

SUBSTANCE: proposed device anticipates connection of reactor and variable capacitor bank in parallel with user when there are two switching apparatuses connecting the latter to two independent power supplies; upon occurrence of interruption in power supply these newly introduced reactor and variable capacitor bank will raise transient time constant and reduce voltage drop front steepness by supplying energy pre-stored in reactor magnetic field and in capacitor electric field to power mains. In this case capacitor bank value varies under normal operating conditions as a function of process parameters.

EFFECT: enhanced reliability of power consumer trouble-free operation.

1 cl, 2 dwg

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RU 2 290 729 C1

Authors

Shpiganovich Aleksandr Nikolaevich

Shljakhov Nikolaj Aleksandrovich

Zakharov Kirill Dmitrievich

Zatsepin Evgenij Petrovich

Bosh Violetta Iosifovna

Dates

2006-12-27Published

2005-05-20Filed