Abstract: A power conversion apparatus includes a primary side circuit, a secondary side circuit magnetically coupled to the primary side circuit through a transformer, and a control unit that adjusts transmitted power transmitted between the primary side circuit and the secondary side circuit by changing a phase difference between switching of the primary side circuit and switching of the secondary side circuit. The control unit suppresses a fluctuation in the transmitted power by suppressing a change in a duty ratio of the switching of the primary side circuit to the switching of the secondary side circuit.

Abstract: A controller for controlling a display device that displays secondary digital content displayed in an overlay above a primary video stream. The controller includes a touch interface device, a processor, and a memory storing non-transitory instructions. These instructions, when executed, can include (i) detecting a first input gesture by a user on the touch interface device, (ii) in response to detecting the first input gesture, selecting an application for display on the display screen, (iii) detecting a second input gesture by the user on the touch interface device, (iv) in response to detecting the second input gesture, scrolling through a currently-displayed layer of the selected application displayed on the display screen, (v) detecting a third input gesture by the user on the touch interface device, and (vi) in response to detecting the third input gesture, scrolling between layers of the selected application in a simulated Z-space.

Abstract: Featured are methods for regulating the AC frequency of the electrical power be supplied on an electrical distribution system or grid. Such a method includes electrically coupling an energy storage sub-system to the electrical distribution network, where the energy storage sub-system includes one or more flywheel energy storage systems. Also featured as devices, systems and apparatuses embodying such methodologies or for use in implementing such methodologies of the present invention.

Abstract: A feed unit includes: a power transmission section configured to perform power transmission with use of a magnetic field or an electronic field; a power limiting section provided on a power supply line from an external power source to the power transmission section; and a control section provided on a side closer to the external power source than the power limiting section, and including a power transmission control section, the power transmission control section being configured to control the power transmission.

Abstract: Methods, systems, and computer program products are described comprising a device configured to: present a first window of the first application in a first application region of a presentation space of the display; detect first user input in connection with the first window of the first application; in response to the detection of the first user input in connection with the first window of the first application, present a representation of a second window of the second application in a menu, in a first particular region of the presentation space of the display, for displaying the second window of the second application, in a second application region in the presentation space of the display, the first particular region: located in a first location adjacent to a second location of the first application region, operable for being at least one of re-sized or moved in response to the first application region being at least one of re-sized or moved, and operable for being hidden in response to the first applicatio

Abstract: While a drive battery (11) is charged, the output voltage of a DC-DC converter (20) is set to a first predetermined voltage (e.g. 14.4 V) at which thermal runaway does not occur even if the temperature of an auxiliary battery (19) is high and at which the auxiliary battery (19) can be charged even if the temperature thereof is low. During warm-up operation of the auxiliary battery (19), the output voltage of the DC-DC converter (20) is set to a second predetermined voltage (e.g. 14.3 V) lower than the first predetermined voltage. While the vehicle (10) is traveling, the output voltage of the DC-DC converter (20) is set to a third predetermined voltage (e.g. 14.2 V) lower than the second predetermined voltage. If lamps (17) are lit, the output voltage of the DC-DC converter (20) is set to a fourth predetermined voltage (e.g. 13.9 V).

Abstract: Disclosed is an uninterruptible power supply system, including a sub power supply device configured to supply or cut off sub input power to a load device; a battery configured to supply or cut off battery input power to the load device; and an uninterruptible power supply device that is electrically connected to the sub power supply device and the battery, and when main input power is selectively received and supplied to the load device or the battery input power is selectively received and supplied to the load device, determines whether the main input power and the battery input power are within a predetermined reference main input power range and reference battery input power range, and when the main input power and the battery input power are outside of the reference main input power range and the reference battery input power range, receives the sub input power and supplies the power to the load device.

Abstract: The electrical power generation system using renewable energy is particularly adapted to provide electrical power to an independent or remotely situated electrical device such as a street light, emergency call box, or illuminated road sign. The system includes a pivotally mounted venturi with vanes assuring that the venturi is oriented into the prevailing wind. A vertical axis wind turbine is installed in the venturi throat, and drives a shaft extending through the column upon which the venturi is installed to a generator at the base of the column. The venturi and vanes may include photovoltaic cells thereon for further electrical power. The venturi may be heated from a geothermal source, and may include a variable diameter internal wall to adjust the cross-sectional area of the throat of the venturi. The use of functionally graded materials and other phase change materials may also improve the performance of the device.

Abstract: One or more problems may be detected in an executing application by retrieving runtime execution information from the application executing on one or more computers. The runtime information is transformed into a temporal sequence of events. A knowledgebase is searched for a dialog that has nodes in an order that match the temporal sequence of events according to a threshold degree. Responsive to finding the dialog in the knowledgebase, the dialog is launched on a user interface to interact with a user and guide the user through a problem identification and solution. Responsive to not finding the dialog, additional instrumenter is enabled in the application.

Abstract: A device for ventilating and electrically powering a computer of an engine of an aircraft, the device including a feed mechanism feeding air to a proximity of the computer and a fan connected to a drive mechanism and configured to generate a stream of air for ventilating the computer. The fan is mounted in the air feed mechanism, and the drive mechanism includes an electrical machine configured to operate as a motor for driving the fan, and as a generator for powering the computer, a rotor of the machine when operating as a generator being driven by the fan, which is itself driven by a stream of air flowing in or leaving the air feed mechanism.

Abstract: One or more problems may be detected in an executing application by retrieving runtime execution information from the application executing on one or more computers. The runtime information is transformed into a temporal sequence of events. A knowledgebase is searched for a dialog that has nodes in an order that match the temporal sequence of events according to a threshold degree. Responsive to finding the dialog in the knowledgebase, the dialog is launched on a user interface to interact with a user and guide the user through a problem identification and solution. Responsive to not finding the dialog, additional instrumenter is enabled in the application.

Abstract: A switchgear controller device that generates commands to a switchgear apparatus that selectively routes power from one of two or more feeds to an electrical load of a power distribution system based upon the commands includes a user interface that displays graphical representations of various portions of the power distribution system. The switchgear controller device can receive data from components included in respective upstream portions and downstream portions of the power distribution system and generates graphical representations of present configurations of the components based at least in part upon the received data. Graphical representations of components included in the downstream portion of the system may be non-interactive, and graphical representations of components included in the upstream portion may be interactive based at least in part upon the present operating mode of the switchgear controller device.

Abstract: A photovoltaic system may include a first photovoltaic component having local power optimization functionality to process power at a first level, a second photovoltaic component to process power at a second level, and optimization logic to command the first photovoltaic component to accommodate system-level power optimization. The first component may be reconfigurable to accommodate the system-level optimization. The entire system may be dynamically reconfigured to continuously operate at the highest overall level of system efficiency.

Abstract: A Network Distributed High Voltage Direct Current Power Supply Management Method, includes the following steps: multiple high voltage direct current power supply devices are deployed in parallel connected, ensuring that at least one high voltage direct current power supply device not needs to connect with load; there are four power supply modes pre-set in each high voltage direct current power supply device, and the first detection node and the second detection node are set in each device; detect the status of the first detection node and the second detection node, and adopt the predetermined method to change the power supply mode of the high voltage direct current power supply device as per the predetermined condition.

Abstract: A method of configuring a network of a power transmitting unit (PTU) includes determining whether a neighboring PTU is operating in a master mode; determining an operation mode of a PTU based on a result of the determining; and setting a network between the PTU and the neighboring PTU based on the operation mode of the PTU.

Abstract: A system and a method for parallel power supply control for auxiliary converters of a motor train unit in the presence of interconnecting lines. The system comprises multiple three-phase inverter modules. The multiple three-phase inverter modules are in parallel connection with each other. Any two-phase circuit of a three-phase inverter module is separately in parallel connection with a corresponding two-phase circuit of a three-phase inverter module adjacent to the three-phase inverter module by using a connecting line module. The connecting line module is connected to a control system. The three-phase inverter modules are also connected to the control system. The three-phase lines of the three-phase inverter modules are all provided with switches.

Abstract: For operating multi-axis drive assemblies more reliably even in a field weakening range, a current conversion device is proposed which includes a voltage-source DC link, a plurality of inverters having each a DC input side connected to the voltage-source DC link and AC output-side terminals for connection to an electric motor, and a control device configured to short-circuit each of the inverters. A measurement device measures an electrical variable at each of the inverters. The control device determines based on the measured electrical variables independently for each of the inverters directly or indirectly whether a particular inverter is feeding energy into the voltage-source DC link, and short-circuits, when this is the case, the particular inverter independently of the other inverters. A corresponding operating method is also disclosed.

Abstract: A system for presenting a clinical process of a patient in a clinical facility having a network, a system backend communicable with the network, and at least one mobile device communicable with the system backend, the mobile device comprising a mobile processor and a display, the mobile processor configured to operate in at least one first user interface mode and at least one second user interface mode, where the mobile processor is configured to enable the operation of at least one built-in function when operating in the at least one first user interface mode and where the mobile processor is configured to disable the operation of the at least one built-in function when operating in the at least one second user interface mode.

Abstract: An electronic circuit includes a regulator circuit including at least one regulator configured to supply a predetermined voltage by receiving a power supply from a main power source circuit, a functional circuit configured to operate on the voltage supplied from the regulator and perform a predetermined function, and a monitor circuit connected to at least one of the regulators and configured to monitor operation mode information inputted to the regulator. When detecting that the operation mode information contains sleep transition information to make a transition from a normal mode as a normal operation state to a sleep mode as an operation state where power consumption is smaller than that in the normal mode, the monitor circuit outputs a voltage output maintaining signal to the regulator connected to the monitor circuit to supply the voltage capable of causing the functional circuit to operate in the normal mode.

Abstract: Systems, methods, and devices relating to the use of multiple DC power generation sources with DC/DC converters to thereby provide AC power suitable for provision to a power grid. Multiple DC power generation sources are each coupled to an input stage with a DC/DC converter. All the DC/DC converters in the multiple input stages are controlled by a single digital controller. Within the single digital controller are controller sub-blocks, each of which generates control signals for a specific DC/DC converter. Each controller sub-block provides multiple functions for improving the performance of the system as a whole.