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Full-duplex signaling for arc event protection
In a power protection and distribution assembly a trip system monitors electrical current and sends a current status signal to an arc flash protection system...
Digital control method for operating UPS systems in parallel
Systems and methods of operating uninterruptible power supplies in parallel in a power distribution system to provide power to a load are provided. At least one...
Uninterruptible power supply apparatus for receiving power from different
electrical utility configurations
An uninterruptible power supply (UPS) apparatus is disclosed that can receive power from different electrical utility configurations. The input stage of the UPS...
Battery backup system for uninterrupted power supply
Methods and systems supply uninterrupted power to a load using a backup battery module. A driver circuit connects the load and the backup battery module such...
System and method for charging portable electronic devices
A device charging system that uses the fact that individual devices do not need to be continuously charged for an extended charging period in order to be fully...
Electronic device, electronic system and wireless charging method
An electronic device, an electronic system, and a wireless charging method are provided. The electronic device has a housing, which has an operating surface on...
Apparatus for inductive charging of portable devices in vehicles
A portable device recharging system includes a base unit generating an electromagnetic field. A portable device includes a rechargeable battery inductively...
Apparatus, system, and method of preventing battery rack damage by
The present invention relates to an apparatus, a system, and a method of preventing a battery rack from being damaged by measuring a current, which, when a...
Method and circuitry to determine the relaxation time of a battery/cell
The present inventions, in one aspect, are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a...
Vehicle, power transmitting device and contactless power supply system
A contactless power supply system contactlessly transmits electric power from a power transmitting device to a vehicle. The vehicle includes: a power receiving...
System for charging an energy store, and method for operating the charging
A system for charging at least one energy reservoir cell in a controllable energy reservoir serving to control/supply electrical energy to an n-phase electrical...
Modular share pack battery
Described is an energy share pack comprising a housing, at least one energy storage component within the housing, at least one energy conversion component...
Charging control device
In a charging control device, a determining unit individually determines whether a charging path and a vehicle are in a connected state or non-connected state...
Charging station for mobile devices and its associated method of operation
A system and method for storing, charging and monitoring one or more handheld electronic devices. A cabinet structure is provided that defines compartments. The...
Wireless power and communication systems using magnetic vector potential
Apparatuses and methods are provided for driving an input conductor with a signal comprising a series of voltage pulses. The pulses can beneficially invoke the...
Electric power router with multiple power supply modes
The present invention belongs to the field of utilization of distributed power generations and smart power management and, relates to an electric power router...
Optimized control of a power converter in response to load conditions
A power converter and a method of operating the same is described, for use in a power conversion system that is capable of receiving power from various sources,...
Energy transfer and storage apparatus for delivery of pulsed power
A method and system supply pulsed power. The system includes an inertial energy storage device configured to store inertial energy and an electrochemical energy...
Intelligent arbitration of power line based coordinating signals between
multiple UPS buses without any...
A multiple UPS system has a plurality of UPS subsystems with a separate UPS data communications bus coupling a controller of each UPS subsystem to an associated...
Adaptive load circuit
The present subject matter is directed to an adaptive load circuit for use with traffic light control systems so as to permit operation using low current...
Computerized system and method for distributed energy resource scheduling
The present disclosure provides for distributed resource scheduling performed by an advanced resource scheduling (ARS) module implemented on a distributed grid...
The present invention relates to a photovoltaic module. A photovoltaic module according to an embodiment of the present invention comprises a solar cell module,...
Control techniques for photovoltaic power plants
A photovoltaic power plant includes solar cells and inverters that convert direct current generated by the solar cells to alternating current. The reactive...
Power balancing in power distribution networks
Systems and methods for power balancing in power distribution networks are disclosed herein. According to an aspect, a method may be implemented at a power...
Systems and methods for optimizing power loads in a power distribution
A method of optimizing power loads of a power strip is disclosed. The power strip includes single or three phase power input, a plurality of circuit breakers,...
Devices and methods related to electrostatic discharge-protected CMOS
Disclosed are devices and methods related to a CMOS switch for radio-frequency (RF) applications. In some embodiments, the switch can be configured to include a...
ESD protection device and method for producing the same
Provided is an ESD protection device having excellent discharge characteristics at a low applied voltage. An ESD protection device includes a first discharge...
Battery protecting circuit, battery protecting device, and battery pack
A disclosed battery protecting circuit for protecting a secondary battery including at least first and second cells connected in series includes a first...
Low fault current isolator system
A low fault current isolation arrangement senses a loss of voltage and automatically isolates and de-energizes a down live primary wire if overcurrent...
Switch mode current limiter
A current limiter (100, 200, 400, 500, 700) comprises a switch (110) and connection means (105, 125) to a load and to a DC-voltage source. A control component...
Modular multilevel converter valve protection method
The invention relates to Modular multilevel converter valve protection method, the modular multilevel converter valve consists of 6 arms, the arm includes sub...
Protection case for electronic device
A protection case for protecting an electronic device includes a cover body shaped to receive and hold to the electronic device. A cable winding apparatus is...
Electrical distribution boards
The present invention relates to an electrical distribution board. The electrical distribution board comprises at least one incoming conductor terminal, at...
A grounding system in which can be adapted for both horizontal or vertical configurations. The system can directly attach to a structure or can create an...
The present invention relates to a busbar adapter having a lower deck and an upper deck that can be interconnected releasably. The deck elements comprise...
Electrical penetration arrangement for the connection of electrical
devices in containment structures
An electrical penetration arrangement through the wall of a containment structure, comprising a pipe penetration having a pipe which is disposed in the wall of...
Floor box cover assembly
A cover assembly for a floor box includes a base with a central opening and a cover pivotally connected to the base by a hinge member. The hinge member has a...
Modular electrical raceway for buildings
A modular raceway apparatus provides a pre-wired electrical sub-assembly for on-site installation in a building or installation a pre-fabricated building...
System for the contactless data supply of bus participant modules
The present invention relates to a modular data transmission system which is constructed for contactless data transmission by means of electromagnetic waves...
Corona ignition device
The invention relates to a corona ignition device for igniting fuel in a combustion chamber of an engine by means of a corona discharge, comprising a tubular...
A spark plug having an insulator with a through hole formed therein in a direction of an axis, a center electrode disposed in a front side of the through hole,...
Method for manufacturing semiconductor device and the semiconductor device
A method for manufacturing a semiconductor device comprising the steps of: growing a stacked semiconductor layer on a substrate, the stacked semiconductor layer...
Photonic device structure and fabrication method thereof
Various embodiments of a photonic device and fabrication method thereof are described herein. A device may include a substrate, a bottom contact layer, a...
Semiconductor laser with improved current conduction
A semiconductor laser includes a layer structure with superimposed layers with at least the following layer structure: an n-doped outer layer, a third...
Resonant active grating mirror for surface emitting lasers
An optical apparatus includes a gain block operable to produce output light at an output wavelength in response to pumping and a resonant grating optically...
Optical lasing device and method for generating a lasing mode in such
An optical lasing device includes a gain medium arranged in a lasing cavity having an optical axis, the gain medium providing light amplification; a periodic...
Vertical integration of a hybrid optical source
A hybrid optical source includes a substrate with an optical amplifier (such as a III-V semiconductor optical amplifier). The substrate is coupled at an angle...
Methods of driving laser diodes, optical wavelength sweeping apparatus,
and optical measurement systems
An optical wavelength sweeping apparatus having a laser diode with an active region, and a coupled pulse generator is disclosed. The pulse generator is...
Semiconductor laser module
A semiconductor laser module 1 is mainly composed of a package 3, a semiconductor laser 5, lenses 7, 9, 13, reflecting mirrors 11, an optical fiber 15, and the...
Red, green, and blue lasing enabled by single-exciton gain in colloidal
quantum dot films
The methods and materials described herein contemplate the use films of colloidal quantum dots as a gain medium in a vertical-cavity surface-emitting laser. The...