H02H7/20

ARC DETECTION DEVICE, SOLAR INVERTER, INDOOR WIRING SYSTEM, CIRCUIT BREAKER, SOLAR PANEL, SOLAR PANEL ATTACHMENT MODULE, AND JUNCTION BOX
20230095385 · 2023-03-30 ·

An arc detection device includes: a low-impedance circuit connected between a node on wiring connecting the positive electrode of a DC/DC converter and a plurality of DC/DC converters, extending from the positive electrode of the DC/DC converter, and branching toward the plurality of DC/DC converters and a node on wiring connecting the negative electrode of the DC/DC converter and the plurality of DC/DC converters, extending from the negative electrode of the DC/DC converter, and branching toward the plurality of DC/DC converters; an electric current detector that detects an electric current flowing through the low-impedance circuit; and an arc determiner that determines, on the basis of the electric current detected by the electric current detector whether an electric arc has occurred.

ARC DETECTION DEVICE, SOLAR INVERTER, INDOOR WIRING SYSTEM, BREAKER, SOLAR PANEL, SOLAR PANEL-ATTACHED MODULE, AND JUNCTION BOX
20230099131 · 2023-03-30 ·

An arc detection device includes a voltage detector connected between a first wire and a second wire to detect a voltage between the first wire and the second wire, the first wire connecting a positive electrode of a DC/DC converter and a plurality of DC/DC converters and branching from the positive electrode of the DC power source into the plurality of DC/DC converters, the second wire connecting a negative electrode of the DC/DC converter and the plurality of DC/DC converters and branching from the negative electrode of the DC/DC converter into the plurality of DC/DC converters; and an arc determiner that determines an occurrence of an arc based on the voltage detected by the voltage detector.

ANOMALY DETECTION DEVICE, ANOMALY DETECTION METHOD, RECORDING MEDIUM, INDOOR WIRING SYSTEM, SOLAR INVERTER, CIRCUIT BREAKER, SOLAR PANEL, SOLAR PANEL ATTACHMENT MODULE, AND JUNCTION BOX
20230094178 · 2023-03-30 ·

An anomaly detection device includes: a determiner that determines whether the communication connection via a communication line connecting a DC/DC converter including a communication function and each of a DC/DC converter and an inverter has been lost; and an outputter that outputs an anomalous signal when it is determined that the communication connection has been lost.

ANOMALY DETECTION DEVICE, ANOMALY DETECTION METHOD, RECORDING MEDIUM, INDOOR WIRING SYSTEM, SOLAR INVERTER, CIRCUIT BREAKER, SOLAR PANEL, SOLAR PANEL ATTACHMENT MODULE, AND JUNCTION BOX
20230094178 · 2023-03-30 ·

An anomaly detection device includes: a determiner that determines whether the communication connection via a communication line connecting a DC/DC converter including a communication function and each of a DC/DC converter and an inverter has been lost; and an outputter that outputs an anomalous signal when it is determined that the communication connection has been lost.

POWER TRANSFER, GATE DRIVE, AND/OR PROTECTION FUNCTIONS ACROSS AN ISOLATION BARRIER

An apparatus comprises an energy transfer device configured to supply power from a primary side of an isolation barrier through the isolation barrier to a secondary side of the of the isolation barrier for driving a gate of a switch for controlling output of the switch at the secondary side. The apparatus comprises a monitoring component. The monitoring component is configured to monitor an operating state of the switch. The monitoring component is configured to evaluate the operating state to determine whether a fault has occurred, perform a countermeasure, and/or provide a signal of the fault.

DEVICE FOR DETECTING A FAULT IN AN ELECTRICAL NETWORK, ELECTRICAL NETWORK OR EQUIPMENT COMPRISING SUCH A DEVICE AND METHOD FOR DETECTING A FAULT
20230032870 · 2023-02-02 ·

The invention relates to a device (D) for detecting a fault in an electrical network (1), comprising at least one electrical quipment (E) which is electrically connected to a first power conductor (C1) and to a second power conductor (C2), the electrical network (1) being provided with a common conductor (Cc). The device comprises a first measuring member (O1) of the common mode voltage present on the power conductors (C1, C2) and a second measuring member (O2) of a current flowing in the power conductors (C1, C2). The device also comprises a calculator (UP) configured to determine over a determined observation period a mixed energy (E.sub.mix) transported in the measurement region from the first variable (V.sub.res) and the second variable (I.sub.net). The invention also relates to an equipment, a localization system and a method for detecting a fault in an electrical network.

Rack adapted for receiving a component, system including the rack and the component and method of delivering power to a component mounted in a rack
11617281 · 2023-03-28 · ·

A rack adapted for receiving a component, a system including the rack and the component and a method of delivering power to the component mounted in the rack are disclosed. The rack comprises a backplane, a power panel, and a main controller. Each stage of the backplane includes a backplane power connector and a backplane data connector that are respectively connectable to a component power connector and to a component data connector when the component is inserted in the backplane stage. The main controller detects an insertion of the component in a given backplane stage by receiving a signal emitted by the backplane data connector of that backplane stage, acquires a set of power parameters of the component, and causes the power panel to provide power to the backplane power connector of that backplane stage according to the set of power parameters of the component.

Rack adapted for receiving a component, system including the rack and the component and method of delivering power to a component mounted in a rack
11617281 · 2023-03-28 · ·

A rack adapted for receiving a component, a system including the rack and the component and a method of delivering power to the component mounted in the rack are disclosed. The rack comprises a backplane, a power panel, and a main controller. Each stage of the backplane includes a backplane power connector and a backplane data connector that are respectively connectable to a component power connector and to a component data connector when the component is inserted in the backplane stage. The main controller detects an insertion of the component in a given backplane stage by receiving a signal emitted by the backplane data connector of that backplane stage, acquires a set of power parameters of the component, and causes the power panel to provide power to the backplane power connector of that backplane stage according to the set of power parameters of the component.

Systems and methods for restricting power to a load to prevent engaging circuit protection device for an aircraft
11491878 · 2022-11-08 · ·

A system for restricting power to a load to prevent engaging a circuit protection device for an electric aircraft includes an energy source. The energy source is communicatively coupled to a load, wherein the load includes a portion of a propulsion system. The system includes sensors configured to sense an electrical parameter. The system includes an aircraft controller communicatively connected to the energy source, wherein the aircraft controller is configured to receive an electrical parameter, compare the electrical parameter to a current allocation threshold, detect that the electrical parameter has reached a current allocation threshold, generate a current allocation threshold notification as a function of the detection, wherein the current allocation threshold notification indicates that the electrical parameter has reached the current allocation threshold.

Arc detection and prevention in a power generation system

Methods for arc detection in a system including one or more photovoltaic generators, one or more photovoltaic power devices and a system power device and/or a load connectible to the photovoltaic generators and/or the photovoltaic power devices. The methods may measure voltage, current, and/or power delivered to the load or system power device, and the methods may measure voltage noise or current noise within the photovoltaic system. The methods may periodically, and/or in response to detecting noise, reduce an electrical parameter such as current or voltage in order to extinguish an arc. The methods may compare one or more measurements to one or more thresholds to detect arcing, and upon a comparison indicating that arcing is or was present, an alarm condition may be set.