Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1985-02-05
1986-07-29
Skudy, R.
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
310 53, 310 68C, 374115, 374169, 34087017, 364557, G01K 1300
Patent
active
046028722
ABSTRACT:
A generator having stator windings which are water cooled includes a plurality of sensors each for measuring the temperature of cooling water as it is discharged from respective sections of the stator windings and prior to its collection in a common manifold. The outputs of the sensors are combined to obtain an average reading and during an initialization process, each sensor reading is subtracted from the average to derive a correction factor for that particular sensor, for that particular average. The generator is operated so that other averages are selected for the calculation of other sensor correction factors. When operating on line, the correction factors are utilized to obtain a value for a percent of average coil temperature in accordance with the relationship: ##EQU1## where T is the temperature indication provided by the sensor, AVG is the average of all of the sensor readings, and CF is the appropriate correction factor for that sensor for that average.
REFERENCES:
patent: 2934655 (1960-04-01), Heller
patent: 2975308 (1961-03-01), Kilbourne
patent: 3822389 (1974-07-01), Kudlacik
patent: 3894138 (1975-07-01), Klaar
patent: 3955359 (1976-05-01), Yannone
patent: 4190829 (1980-02-01), Schmitt et al.
Craig William G.
Emery Franklin T.
Murphy Franklin J.
Schron D.
Skudy R.
Westinghouse Electric Corp.
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