Abstract: A method for operating an electrical circuit for controllably delivering power from a power source to an electrical load including a switch further configured to operate in a first conducting mode and a second non-conducting mode, and a controller, the method includes ceasing delivering power from the power source to the electrical load.

Abstract: A method and circuit for detecting a fault in a power transformer having an conductive shield layer sandwiched between electrical insulating layers separating the conductive shield layer from a first conductor and a second conductor, the second conductor opposite the conductive shield layer from the first conductor, and including, sensing a voltage energizing the shield layer, comparing the sensed voltage to a threshold voltage value corresponding to a fault, and upon satisfaction of the comparison, providing a fault indication when the comparison indicates the presence of a fault.

Abstract: An electromagnetic device and method for cooling the electromagnetic device comprising a permeable magnetic core having a plurality of legs, a former located adjacent the permeable magnetic core wherein the former is thermally conductive, and at least one winding configured to conduct an electrical current there through wound on the former, the at least one winding including a coil having a plurality of turns.

Abstract: The present disclosure relates to a method of initializing a set of controllable units in an electrical system. The method comprises: A) obtaining, by a controllable unit controller module in a sequence of the controllable units, a discovery message on a non-addressable data pathway; B) broadcasting on an addressable data bus, by the controllable unit controller module, an identity of the functional unit; C) transmitting the discovery message to another controllable unit controller module in the sequence of the controllable units by way of the non-addressable data pathway; and D) recording, by the system controller module, the broadcasted identity of the controllable unit.

Abstract: Systems, methods, and devices for aircraft power distribution include a bipolar high voltage direct current source component; an electrical loading component capable of drawing electrical power from the bipolar high voltage direct current source component; a set of switching components configured to selectively couple power from the bipolar high voltage DC source component to the electrical loading and a ground fault interruption component coupled to the set of switching components. The ground fault interruption component is configured to detect a ground fault based on a sensed difference between a current flowing out of the set of switching components and back from the electrical loading component.

Abstract: A passive leakage management circuit for a switch leakage current including a switch having operable in a first operating mode, wherein the switch output supplies an output current having a first predetermined voltage, and a second operating mode, wherein the switch output supplies a leakage current having a second voltage, a first current path, and a leakage current path.

Abstract: A power distribution system can include a power source, a power distribution unit, and at least one electrical load supplied by the power distribution unit. A detection circuit can be utilized in the power distribution system to sense or detect the occurrence of an electrical failure within the power or electrical unit.

Abstract: Method(s) for limiting current in an electrical circuit having transmission wires for power transmission include determining whether an unexpected operating condition exists along the transmission wires and limiting the current to prevent (damage caused by) the unexpected operating condition. The method may further include disabling the electrical circuit if the unexpected operating condition persists. Additionally, a system includes a power source, a solid state power controller (SSPC) configured to operate in a first conducting state and a second non-conducing state, and a controller.

Abstract: The present embodiments are directed to locating electrical faults in an electrical circuit, in particular electrical faults in transmission wires of an electrical circuit. Examples of the present embodiments provide a method and apparatus for opening a switch in the electrical circuit to cause an open circuit or discontinuity at the fault; transmitting a signal to be reflected from the open circuit or discontinuity and receiving the signal reflected from the open circuit or discontinuity to determine the location of the fault. Examples are particularly suitable for high voltage systems, for example over 100V.

Abstract: Provided is a method and system that includes a direct current solid state power controller that includes a plurality of switching devices connected in parallel for performing switching, one or more main transient voltage suppressors (TVSs) to perform voltage clamping, a plurality of parasitic inductances each connected in series with a switching device of the plurality of switching devices, and a plurality of local TVSs each connected in parallel with a series connection of a switching device and at least one parasitic inductor of the plurality of parasitic inductances, to dissipate energy stored within the at least one parasitic inductor of the plurality of parasitic inductances.

Abstract: The present disclosure relates to a control module circuit having a circuit communication input port, a circuit communication output port, a first controllable unit that has a first controller module, and a second controllable unit having a second controller module. The first controller module has a first communication input port connected with the circuit communication input port and a first communication output port. The second controller module has a second communication input port connected with the first communication output port and a second communication output port connected with the circuit communication output port. The first and second controllable units are adapted to be identified with a permanent identity by way of a transmittable data signal receivable at the communication input port and sequentially received by the first and second controllable units.

Abstract: A passive leakage management circuit for a switch leakage current includes a switch being operable in a first operating mode, wherein the switch output supplies an output current having a first predetermined voltage. In a second operating mode, the switch output supplies a leakage current having a second voltage, a first current path, and a leakage current path.

Abstract: A power distribution node and method of initializing the node, includes a node communication input port and a node communication output port, a first power controller having a first switchable element and a first controller module configured to operate the first switchable element, the first controller module having a first communication input port connected with the node communication input port and a first communication output port, and a second power controller having a second switchable element.

Abstract: A power distribution node and method of associating a permanent identity includes a node communication input port and a node communication output port, a first power controller having a first switchable element and a first controller module configured to operate the first switchable element, the first controller module having a first communication input port connected with the node communication input port and a first communication output port, and a second power controller having a second switchable element.

Abstract: Systems and apparatuses for electrically switching current include a first conductor formed of an electrically conductive material and having a first longitudinal axis; a second conductor formed of the electrically conductive material and having a second longitudinal axis; a set of switching components, each component selectively configured to electrically couple the first conductor to the second conductor; and a printed circuit board on which the first and second conductors are disposed. The width of the first conductor along the first longitudinal axis varies such that the current density in the first conductor is substantially constant along the first longitudinal axis and the width of the second conductor along the second longitudinal axis varies such that the current density in the second conductor is substantially constant along the second longitudinal axis.

Abstract: A surface mount connector and method of forming a printed circuit board includes providing a printed circuit board having a first aperture extending there through, and receiving a surface mount connector at the printed circuit board, the surface mount connector having a connector body and a flange, the connector body received by and aligned with the first aperture.

Abstract: A method and apparatus for modular power distribution includes an end module and at least one switching module having a switching module electrical power interface configured to electrically connect to at least one of the end module electrical power interface or another switching module electrical power interface, and having at least one of a switching element, an input/output connector, a switching module communication interface, or a bus bar connector, wherein the modules are physically secured.

Abstract: A modular power system includes a plurality of electronic modules, the plurality of modules is arranged in a manner that each of the modules is detachable from the others, and adjacent modules are in fluid communication with each other through a passage, and at least one thermally activated element is disposed within each said passage. In normal operation, the thermally activated element is in an unexpanded state, and fluid communication between the plurality of modules is allowable through a space between the thermally activated element and the passage, and in a failure event when at least one of the modules fails, the thermally activated element is activated and expanded to block the passage between the failed module and the other modules. A method of mitigating failure propagation between a plurality of modules in the modular power system is also described.

Abstract: An apparatus and method for detecting arc faults in a circuit having a switch (28), including a leakage current management device (46), an arc fault detector (30) arranged to monitor output voltage and to send a signal representative of the output voltage, and a controller (36) coupled to the arc fault detector (30). The controller (36) is configured to monitor the output voltage signal, compare the output to a threshold, and if the output exceeds the threshold, provide an arc fault indication.

Abstract: An apparatus and method for controlling voltage sharing between a set of switching components can include applying power from a current source with a positive lead and a negative lead, closing the set of switching components to connect power from the current source to an electrical load, detecting a set of voltage values for the set of switching components, and controlling a current limiting function of at least one of the set of switching components.