Device for protecting medium voltage equipment against voltage surges
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United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Jun 17, 1998
filing date -
Jun 17, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Suppression of transient voltage surges in an electrical power-carrying line is achieved by a voltage surge suppressor having a capacitor, varistor, and gas tube connected in parallel between the line and a current carrying conductor. The invention is effective for suppressing transient voltage surges more reliably, efficiently, and safely than is possible using primary arrestors or serially connected varistors in accordance with conventional technology. The invention may be adapted for use on medium voltage lines carrying either single-phase or three-phase electrical power.
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