Digital integration method

Details Digital integration method Digital integration method

2003-11-20

2008-09-02

Han, Jessica (Department: 2838)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C700S293000, C361S093900

Reexamination Certificate

active

07421353

ABSTRACT:
This invention is a simplified method of digitally monitoring energy in a system. The power is measured at fixed periods, and the measurements summed in a register or accumulator. When the sum in the register or accumulator is equal to a specified energy divided by the fixed sample period a signal is generated.In power controllers or solid state power controllers (SSPC), this algorithm is used to the maximum energy load (I2t). In a solid state switch, this algorithm is used to monitor the energy in a switch and generate a signal when the exceeds a specified safe operating limit.

REFERENCES:
patent: 4445183 (1984-04-01), McCollum et al.
patent: 4722059 (1988-01-01), Engel et al.
patent: 5195012 (1993-03-01), Tripodi
patent: 5987393 (1999-11-01), Stinson
patent: 7064532 (2006-06-01), Suzuki

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