Protection control measurement system

Details Protection control measurement system Protection control measurement system

2011-04-19

2011-04-19

Nghiem, Michael P (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Reexamination Certificate

active

07930124

ABSTRACT:
This invention provides a protection control measurement system, with excellent economy and maintainability. In the protection control measurement terminal1, electric quantity acquisition and transmitter14-1determines synchro-phasor quantities from electric quantity data and transmits the synchro-phasor quantities to arrival time-guaranteed transmitter15-1. The arrival time-guaranteed transmitter15-1transmits in real- time the synchro-phasor quantities to the parent station device3. Setting value transmitter14-2transmits setting value data to the message transmitter15-2, which performs message transmission to the parent station device3over the communication network2. In the parent station device3, electric quantity arithmetic processor32-1calculates electric quantities as close as possible to true values by multiplying received synchro-phasor quantities by setting value data. The protection control measurement arithmetic processor32-2performs arithmetic operations for accident judgment for protection control measurement terminals1from the magnitudes of electric quantities and voltage phase differences.

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