Fail-safe system and test module, notably for use in a...

Details Fail-safe system and test module, notably for use in a... Fail-safe system and test module, notably for use in a...

G - Physics

01

R

G01R 31/00 (2006.01) B61L 7/10 (2006.01) G01R 31/26 (2006.01) G01R 31/327 (2006.01) B61L 1/20 (2006.01)

Patent

CA 2685651

A fail- safe system, notably for use in a railroad signaling system, comprising a test module with a photovoltaic coupler able to charge a capacitor. The energy stored in the capacitor provides power supply to a circuit under test. Advantageously, means of measuring a state of charge of the capacitor make it possible to quantify current leaks from the circuit under test.

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