Electricity: electrical systems and devices – Safety and protection of systems and devices – With phase sequence network analyzer
Patent
1986-04-07
1987-07-28
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With phase sequence network analyzer
361 44, 361 50, 361 87, 361 93, 307131, 340658, 340664, 324 86, H02H 326
Patent
active
046835130
ABSTRACT:
A current sensor for use in a three phase ac system for producing a signal indicative of the average value of the sum of the squares of the ac current and of the phase imbalance between the three phases using two current transducers and an associated method.
REFERENCES:
patent: 3729650 (1973-04-01), Cook
patent: 4172244 (1979-10-01), Zeis
patent: 4356443 (1982-10-01), Emery
patent: 4454557 (1984-06-01), Hurley
patent: 4513274 (1985-04-01), Halder
patent: 4542432 (1985-09-01), Nichols, III et al.
Jennings Derek S.
Moran M. J.
Pellinen A. D.
Westinghouse Electric Corp.
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