Spark monitor device for current collectors

Details Spark monitor device for current collectors Spark monitor device for current collectors

1982-07-12

1986-03-18

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324102, 340648, G01R 3102, G08B 2100

Patent

active

045771510

ABSTRACT:
A spark monitor device arranged to detect a high frequency noise due to a spark generated in a current collector of a rotary electric machine and monitor a state of spark generation on the basis of the product of a peak value of the high frequency noise exceeding a given set value and a time interval during which the peak value exceeds the set value.

REFERENCES:
patent: 2752589 (1956-06-01), DeLong, Jr.
patent: 4058804 (1977-11-01), Sawada et al.
Roumanis, S. J.; "The Null Point . . . "; AIEE Transactions; Apr. 1956; pp. 147-152.

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