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Implemented at medium voltage level, the DVR can be used to protect a group of medium voltage or low voltage consumers.
In three-phase AC power distribution systems, a dynamic voltage restorer (DVR) can be used to protect sensitive power customers from voltage disturbance.
The paper shows how the normally generated third-harmonic voltage can be used to protect the lower ten to twenty percent of generator stator windings against ground faults.
Proceedings ArticleDOI
K.E. Bow, J.H. Snow 
22 Sep 1991
2 Citations
Moisture barriers can effectively protect the insulation of medium voltage cables from water treeing.
Diodes or diffused resistors with breakdown voltages of about 40 V can be used to protect the gate from high voltage transients or static discharges.
The circuit can protect IC irrespective of the temporal voltage waveform of the overvoltage stress.
Test results show that the overvoltage protective unit can protect the supercapacitor from over its max operating voltage.
The circuit can protect IC irrespective of the temporal voltage waveform of the overvoltage stress, and the static trigger voltage decreases with decreasing power supply voltage.
Journal ArticleDOI
01 Jan 1990
9 Citations
The existing Soviet safety standards for high-voltage powerlines seem sufficient to protect invertebrates.
The DVR is able to protect the load from voltage sags due to various types of faults.
At the same time, materials with high barrier and low soaking properties protect the cells against electrical degradation under high voltage potentials.
Finally, results showing that DVR protect the steel industry load from voltage sag and swell.

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