A system including a vehicle having a motive electrical power path; a power distribution unit including a current protection circuit disposed in the motive electrical power path, the current protection circuit including a breaker/relay, the breaker/relay including: a fixed contact, a moveable contact, and a physical opening response portion responsive to a current value; a current source circuit electrically coupled to the breaker/relay and structured to inject a current across the fixed contact; and a voltage determination circuit electrically coupled to the breaker/relay and structured to determine at least one of an injected voltage amount and a contactor impedance value, wherein the voltage determination circuit comprises an analog hardware filter having a cutoff frequency selected in response to a frequency of the injected current.
System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
2021-10-19
Patent
Electronic Resource
English
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01H Elektrische Schalter , ELECTRIC SWITCHES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / H05K PRINTED CIRCUITS , Gedruckte Schaltungen |
European Patent Office | 2021
|European Patent Office | 2021
|European Patent Office | 2021
|European Patent Office | 2021
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