Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1991-10-03
1994-01-25
Deboer, Todd
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
361129, 361661, H02H 904
Patent
active
052821080
ABSTRACT:
A surge protector is provided for a multi-phase watthour meter. The surge protector allows all three phases to be protected using a single resistive block and ground strap. Separate first electrodes are connected to each phase of the circuit and each electrode is disposed adjacent one end of a different hole formed in the meter base. A second electrode is disposed at the opposite end of the holes and forms a tip at each hole, thereby forming separate spark gaps with each of the first electrodes. A resistive block mounted on the outboard side of the meter base is in surface contact with the second electrode and a single ground strap is in contact with the resistive block so as to ground the meter to its socket when arcing occurs in the spark gaps.
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Hemminger Rodney C.
Munday Mark L.
ABB Powre T&D Company, Inc.
DeBoer Todd
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