Arrangement for the synthetic testing of tripolar...

Details Arrangement for the synthetic testing of tripolar... Arrangement for the synthetic testing of tripolar...

H - Electricity

01

H

324/21

H01H 71/04 (2006.01) G01R 31/333 (2006.01)

Patent

CA 1088625

ABSTRACT OF THE DISCLOSURE 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 load- ing the pole quenching first and the remaining two poles quenching last. In accordance with the invention, the improvement comprises the further pro- vision 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.

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