Protective device for a power converter, power conversion device

A protective device intended to protect a power converter, the protective device includes a set of at least one sensor, each sensor in the set of at least one sensor making it possible to deliver a measurement representative of the instantaneous current delivered at the output of a power converter o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Guguen, Stéphane, Kherbouchi, Hocine, Dubois, Eric Ravindranath, Sadeg, Bruno
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A protective device intended to protect a power converter, the protective device includes a set of at least one sensor, each sensor in the set of at least one sensor making it possible to deliver a measurement representative of the instantaneous current delivered at the output of a power converter on a phase in the set of at least one phase, a protective device receiving the measurement representative of the instantaneous current delivered by the set of at least one sensor and connected to a control device and to the power converter such that the commands delivered by the control device are transmitted to the power converter via the protective device, the protective device being configured to inhibit the commands delivered by the control device when the absolute value of the measurement representative of the instantaneous current and delivered by at least one sensor in the set of at least one sensor exceeds a predetermined first threshold S1 such that the power switches of the power converter are kept in the off state.