Short-circuit protection with a semiconductor switch
AssigneeSiemens Mobility GmbH
InventorMaik Dittrich
Life of this patent
Estimating the term…
Abstract
A protective circuit for a traction accumulator with a positive pole and a negative pole. The protective circuit has a semiconductor circuit breaker which is electrically connected to the positive pole of the traction accumulator. There is also described a power supply device and an electrically driven vehicle. In addition, there is also described a method for producing a protective circuit for a traction accumulator.
Claims13
1-14. (canceled)
A protective circuit for a traction accumulator with a positive pole and a negative pole, the protective circuit comprising:
- a semiconductor circuit-breaker which is electrically connected to the positive pole of the traction accumulator, said semiconductor circuit-breaker having an input and an output;
- wherein said input of said semiconductor circuit-breaker is electrically connected to the positive pole of the traction accumulator;
- said semiconductor circuit-breaker including a plurality of individual switches connected in parallel with one another and commonly arranged on a common heat sink.
A protective circuit system, comprising:
- a protective circuit for a traction accumulator with a positive pole and a negative pole, the protective circuit including:
- a semiconductor circuit-breaker which is electrically connected to the positive pole of the traction accumulator, said semiconductor circuit-breaker having an input and an output;
- wherein said input of said semiconductor circuit-breaker is electrically connected to the positive pole of the traction accumulator;
- said semiconductor circuit-breaker including a plurality of individual switches connected in parallel with one another and commonly arranged on a common heat sink;
- and
- a traction battery having a plurality of parallel-connected modules, and wherein at least two of said parallel-connected modules are electrically connected to different individual switches of said semiconductor circuit-breaker.
A method of producing a protective circuit for a traction accumulator, which has a positive pole and a negative pole, the method comprising the following steps:
- producing a semiconductor circuit-breaker with an input and an output;
- electrically connecting the input of the semi-conductor-circuit-breaker to the positive pole of the traction accumulator;
- and
- configuring the semiconductor circuit-breaker with a plurality of parallel-connected individual switches and arranging the individual switches on a common heat sink.
Dependencies are inferred from the claim text.