Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs
Reexamination Certificate
2005-03-08
2005-03-08
Tang, Minh N. (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Plural inputs
C324S074000
Reexamination Certificate
active
06864674
ABSTRACT:
A loss measurement system for measuring power, voltage and current losses in distribution transformers, medium power motors and turbines. The system has a sampling wattmeter that digitizes the voltage and current and performs appropriate calculations to determine power; and computer/controller and associated software/firmware and ancillary equipment that provide control, monitor, display and related functions.
REFERENCES:
patent: 4012617 (1977-03-01), Burke et al.
patent: 4896106 (1990-01-01), Voisine et al.
patent: 5537029 (1996-07-01), Hemminger et al.
patent: 6459252 (2002-10-01), Bierer
Brewer Lewis
Brown Duane
Secours Maurice
Measurements International Limited
Tang Minh N.
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