Circuit breaker
AssigneeSiemens Aktiengesellschaft
InventorsAndre Borgwardt, Marco Bruell, Peter Kopaczewski
Life of this patent
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Abstract
A circuit breaker for a low-voltage circuit is disclosed. In an embodiment, the circuit breaker includes a current conductor, assigned a measuring transducer for measuring the electrical current of the current conductor; a first filter connected to the measuring transducer; an analog/digital converter connected to the first filter; a second, high-pass filter connected to the analog/digital converter; and a digital integrator, connected to the high-pass filter and configured to determine the electrical current of the current conductor.
Claims18
A circuit breaker for a low-voltage circuit, comprising:
- a low voltage circuit breaker having a series of:
- a current conductor, assigned a measuring transducer to measure electrical current of the current conductor;
- a first filter connected to the measuring transducer;
- an analog/digital converter, connected to the first filter;
- a second filter, connected to the analog/digital converter;
- and
- a digital integrator, connected to the second filter at a position downstream of the second filter and configured to determine the electrical current of the current conductor.
Dependencies are inferred from the claim text.