Circuit breaker with pre-charging and current limiting functions, method of operating same, power supply circuit and aircraft

US12374880B2 · kind B2 · utility

Assignee

• AIRBUS (S.A.S.) · FR

Inventors

• Gerhard Steiner · Neuenstein, DE
• Florian Kapaun · Schweinhub, DE

Key dates

• Filing date: Dec 19, 2022
• Grant date: Jul 29, 2025
• Expiry date: Jun 16, 2043

Classification

• Technology area (CPC H): Electricity
• CPC primary: H03K17/60
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A circuit breaker with pre-charging and current limiting functions, wherein the circuit breaker is configured for being provided in a power line connecting an electrical energy source and an electric network. The circuit breaker includes a short circuit protection unit including a first semiconductor switch, a precharge unit connected in parallel to the short circuit protection unit and including a second semiconductor switch, and a current limit unit connected in parallel to the short circuit protection unit and to the precharge unit, the current limit unit including a third semiconductor switch.