Fault managed power systems

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12248032
APP PUB NO 20230221380A1
SERIAL NO

18009641

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Importance

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Abstract

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A fault managed power system (FMPS) and method monitors and detects fault currents in PoE, PFC, and other cables that indicate likely human contact with cable conductors. The level of current detected through the human body combined with a fast response time limits the energy to prevent a person from experiencing ventricular fibrillation, resulting in a so-called touch-safe level. For overload and short-circuit fault protection, the system automatically and immediately removes power from the cables. This limits the amount of energy provided into the fault, thereby maintaining touch-safe operation and also preventing electrical fires and system component protection. The system/method can accomplish this even at voltage levels considerably higher than existing touch-safe standards, for example. Class 2 (below 50 Vac) power supplies. Such a system/method allows the amount of power in applications like PoE and PFC to be safely increased to levels much greater than the current maximum (100 W).

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Patent Owner(s)

  • SCHNEIDER ELECTRIC USA, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Modi, Pawan Kumar Apex, US 1 0
Shea, John J Wake Forest, US 62 1269

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