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US 11,594,872 B2Granted
Device, system and method for electrical arc suppression on a power rail
AssigneeToronto Transit Commission
InventorMarcus Reis
Life of this patent
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Abstract
A direct current (DC) traction power electric arc suppressing device is provided. The device comprises a parallel resistor-capacitor (RC) circuit electrically connected between a main traction power rail and an associated power rail incline end section with a narrow insulating joint installed between the main traction power rail and the associated power rail end section incline.
Claims14
A direct current (DC) traction power electric arc suppressing device comprising:
- a parallel resistor-capacitor (RC) circuit electrically connected between a main traction power rail and an associated power rail incline end section;
- an insulating feature installed between the main traction power rail and the associated power rail end incline section;
- and
- one of:
- a DC rated circuit breaker;
- a fused disconnect switch;
- or
- an unfused disconnect switch;
- to allow for electrical protection and/or isolation of the parallel RC circuit for servicing.
6 more elements
Dependencies are inferred from the claim text.