Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Polyphase
Reexamination Certificate
2007-07-30
2009-12-15
Nguyen, Ha Tran T (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Polyphase
Reexamination Certificate
active
07633285
ABSTRACT:
Multi-phase, gas insulated electrical switchgear with optical voltage and/or current sensors are described. Compensation for contributions to sensor readings from non-associated conductors is provided. A processor is connected to voltage and/or current sensors which are placed near conductor whose voltages and/or currents are to be measured. The processor can receive outputs from those sensors and compensate the outputs for contributions which are attributable to sources other than the conductors which are intended to be measured.
REFERENCES:
patent: 5029273 (1991-07-01), Jaeger
patent: 5066903 (1991-11-01), Ochi
patent: 5136236 (1992-08-01), Bohnert et al.
patent: 5295207 (1994-03-01), Dupraz et al.
patent: 5410243 (1995-04-01), Tagawa et al.
patent: 5644397 (1997-07-01), Blake
patent: 5696858 (1997-12-01), Blake
patent: 6188811 (2001-02-01), Blake
patent: 6509522 (2003-01-01), Okabe et al.
patent: 6680665 (2004-01-01), Aoki et al.
patent: 6909977 (2005-06-01), Orton
patent: 2003/0178891 (2003-09-01), Miyamoto et al.
International Search Report for PCT/US07/16985 mailed May 28, 2008.
Written Opinion for PCT/US07/16985 mailed May 28, 2008.
Yatsuzuka, H., et al. “New 550-kV Gas-Insulated Switchgear,” Hitachi Review, vol. 48, No. 5, 1999, pp. 285-289.
Blake James N.
Rahmatian Farnoosh
Nguyen Ha Tran T
Nguyen Tung X
NxtPhase T&D Corporation
Potomac Patent Group PLLC
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