Arrangement for the synthetic testing of tripolar high-voltage c

Details Arrangement for the synthetic testing of tripolar high-voltage c Arrangement for the synthetic testing of tripolar high-voltage c

1978-02-15

1979-09-18

Tokar, M.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 28R, G01R 3102

Patent

active

041684630

ABSTRACT:
An improved synthetic testing arrangement for use in testing a tripolar high voltage circuit breaker wherein the arrangement includes a three-phase high-current source for impressing on the three poles of the breaker breaking currents and arc reactions and a high-voltage load for loading the pole quenching first and the remaining two poles quenching last. In accordance with the invention, the improvement comprises the further provision in such an arrangement of first and second high-voltage sources for influencing the high-voltage load and a switch means for causing the first and second high-voltage sources to be connected into the circuits formed by the three-phase current source and the circuit breaker during a breaking action; the first voltage source being connected so as to load the pole quenching first and the second voltage source so as to load remaining two poles quenching last.

REFERENCES:
patent: 3398357 (1968-08-01), Colclaser, Jr.
patent: 3739259 (1973-06-01), May
R. Bitsch F. Richter, Performance testing of a three-phase encapsulated SF.sub.6 insulated 8D.6 circuit breaker for 145KV 31.5KA, Siemens Review, vol. 43, No. 5, pp. 210-213, May 1976.
Anderson et al., Synthetic Testing of a.c. Circuit Breakers, Proc. IEE, vol. 113, No. 4, Apr. 1966, pp. 611-621.

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