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Heterogeneous Battery Cell Charging
Heterogeneous battery cell charging techniques are described for a device having a battery system with heterogeneous battery cells. A control system is...
METHOD AND APPARATUS FOR POWER TRANSFER FOR A PORTABLE ELECTRONIC DEVICE
A power transfer interface (120) is formed of a primary repeater coil (104) and one or more secondary repeater coils (106) coupled via a wired interconnect...
DRIVER CONTROLLER WITH AC-ADAPTED AND DC-ADAPTED CONTROL MODES
Methods, devices, and integrated circuits are disclosed for a driver controller that determines whether an input is AC or DC and controls a driver in either an...
ENERGY STORAGE SYSTEM
Systems and methods for controlling power flow to and from an energy storage system are provided. One energy storage system includes an energy storage device...
POWER SUPPLY CONTROL SYSTEM
A power supply control system includes: a current sensor as a first detector detecting current flowing in each controller in an operating state of each...
POWER SUPPLYING DEVICE AND POWER RECEIVING DEVICE
[Object] To propose a power supplying device capable of efficiently supplying power through a direct-current power line when an anomaly occurs in external...
METHOD AND SYSTEM FOR FREQUENCY REGULATION
A method for managing a group of energy consuming loads for frequency regulation is provided including a plurality of groups of loads, the method including:...
METHOD FOR OPERATING A PHOTOVOLTAIC SYSTEM COMPRISING AN ENERGY STORE AND
A BIDIRECTIONAL CONVERTER FOR...
In order to operate a photovoltaic system including an inverter and a photovoltaic generator connected to an inverter input, the inverter predefining an...
ELECTRICALLY AUTONOMOUS INSTALLATION AND METHOD OF MANAGEMENT
The subject of the invention is an installation (10) able to be electrically autonomous comprising elements to be powered (12, 20) from among which: --a...
POWER CONVERTER FOR A SOLAR PANEL
A solar array power generation system includes a solar array electrically connected to a control system. The solar array has a plurality of solar modules, each...
POWER BALANCING IN A MULTI-PHASE SYSTEM
Some embodiments of the invention provide a method for balancing the power output to each phase of a set of micro-inverters. The method of some embodiments is...
SCALABLE HIERARCHICAL ENERGY DISTRIBUTION GRID UTILIZING HOMOGENEOUS
Techniques are disclosed for implementing a scalable hierarchical energy distribution grid utilizing homogeneous control logic are disclosed that provide...
GRID FREQUENCY RESPONSE
Methods, and apparatus for determining inertia within a synchronous area of an electric power grid are described. A frequency characteristic relating to a...
METHOD AND APPARATUS FOR TIME-DOMAIN DROOP CONTROL WITH INTEGRATED PHASOR
A method and apparatus for power converter current control. In one embodiment, the method comprises controlling an instantaneous current generated by a power...
Dynamic means for correcting for load imbalance and harmonic distortion
A method and apparatus are directed to a dynamic means for correcting imbalance and harmonic distortion in an electrical system. In one embodiment, the device...
VARIABLE FEED-OUT ENERGY MANAGEMENT
Mechanisms and techniques for managing energy consumption within an energy management system are disclosed. In one embodiment, the energy management system...
Systems And Methods For Model-Driven Demand Response
Systems and methods for model-based demand response are disclosed. An analytics server is communicatively connected to a data acquisition component and a...
ENERGY MANAGEMENT PROXY CONTROLLER SYSTEM
Mechanisms and techniques for managing devices within an energy management system are disclosed. In one embodiment, the energy management system includes a...
ELECTRICITY PROVIDING SYSTEM INCLUDING BATTERY ENERGY STORAGE SYSTEM
Disclosed is a power supply system. A power supply system according to an embodiment includes a charging control unit configured to control ...
VOLTAGE CONVERSION APPARATUS
A voltage conversion apparatus includes connection terminals to which a battery, a capacitor, and a protected load are respectively connected, a first DC-DC...
DETECTING FAULTS IN ELECTRICITY GRIDS
A wind turbine generator 1 is connected to a section 2 of an electricity grid 3 via a converter 4, which converts the ac output power from the generator into...
METHOD FOR CONTROLLING TRIP EVENT OF INVERTER
Disclosed herein is a method for controlling a trip event of an inverter by taking into account the temperature of the inverter. The method includes: sensing a...
OVERVOLTAGE PROTECTION DEVICE
An overvoltage protection device capable of protecting a power supply line and including in parallel a break-over diode, a controlled switch, and a circuit for...
SWITCH DRIVE CIRCUIT
A switch drive circuit for driving a switching device includes an overcurrent detector which detects an overcurrent passing through the switching device, and a...
System and Method for a Fault Protection Circuit
According to an embodiment, a fault protection system includes a first power supply terminal, a second power supply terminal, an error circuit configured to...
Intrinsic Safety Barrier
An improved intrinsic safety barrier arrangement for an electrical device or component. A method of intrinsic safety barrier operation for an electrical device...
METHOD FOR IDENTIFYING ARCING FAULTS AND CIRCUIT BREAKER
A method for identifying arcing faults within a circuit having a system frequency, an electrical current and an electrical voltage, in which method an...
LINK ASSEMBLY AND CABLE PROTECTOR
A link assembly has a pair of mechanical links pivotally connected to rotate relative to one another about a pivot axis. A cable protector is provided as part...
CONDUIT AND END FITTING FOR OFFSHORE CABLE ASSEMBLY
A conduit for an offshore cable assembly that includes a conduit body that has at least one longitudinal strength member embedded therein. The at least one...
AIR INLET AND AIR OUTLET OPENINGS FOR A VERTICAL BUSBAR SYSTEM, ESPECIALLY
FOR WIND POWER PLANTS
A busbar system is disclosed for the transport of electrical energy, the busbar system being in a vertical setup position. The busbar system includes at least...
PROTECTIVE TUBE AND PROTECTIVE TUBE ATTACHING METHOD
A protective tube for protecting an electric wire of a wire harness, includes a small diameter protective tube, and a large diameter protective tube configured...
PROTECTOR FOR WIRE HARNESS
A protector for a wire harness can shorten a length of a protector main body in an axis direction and securely lock the protector main body with a lid. A...
EXHAUST SYSTEM FOR SWITCHGEAR ENCLOSURE, AND SWITCHGEAR ENCLOSURE HAVING
A switchgear enclosure includes an exterior housing. A plurality of compartments within the exterior housing includes at least a first switching device...
Precision Mounting System for Wall Mounted Electrical Enclosure
An enclosure adapted to be mounted on a generally vertical surface such as a wall. The enclosure has housing with a first opening in one of its sides and a...
MCC UNIT TROUBLESHOOTING COMPARTMENT
A troubleshooting compartment for a motor control center unit, provides electrical access to test control points inside the motor control center unit, without...
SNAP-IN SHUTTER SYSTEM FOR RACK OUT CIRCUIT BREAKERS
The present disclosure provides a shutter system (150) for a cradle (100) of a rack out circuit breaker, which includes two rail assemblies (200, 300), a...
MODULAR POWER PLANT ASSEMBLY
A modular power plant assembly for distributed power generation includes a power generator assembly, to generate electrical power, mounted on a trailer. An...
GENERATOR COUPLING KIT AND METHODS THEREOF
A generator coupling kit is provided. In exemplary embodiments, the generator coupling kit may comprise a wire adapted to couple with a generator on a first...
SURFACE-EMITTING SEMICONDUCTOR LASER, SURFACE-EMITTING SEMICONDUCTOR LASER
A surface-emitting semiconductor laser includes a substrate; a first semiconductor multilayer film reflector stacked on the substrate; an active region stacked...
VERTICAL-CAVITY SURFACE-EMITTING LASER DIODE AND OPTICAL TRANSMISSION
A vertical-cavity surface-emitting laser diode includes: a first resonator that has a plurality of semiconductor layers comprising a first current narrowing...
VERTICAL CAVITY SURFACE EMITTING LASER AND ATOMIC OSCILLATOR
A vertical cavity surface emitting laser includes: a substrate; and a laminated body which is provided over the substrate, wherein the laminated body includes...
CHIP-SCALE POWER SCALABLE ULTRAVIOLET OPTICAL SOURCE
A chip scale ultra violet laser source includes a plurality of laser elements on a substrate each including a back cavity mirror, a tapered gain medium, an...
TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE-EMITTING LASER
A two-dimensional photonic crystal surface emitting laser has a laminated structure including: a two-dimensional photonic crystal (2DPC) layer in which...
METHOD OF FABRICATING AND OPERATING AN OPTICAL MODULATOR
A semiconductor device comprising a substrate; a monolithic gain region disposed on the substrate and operable to produce optical gain in response to current...
LASER SOURCE DEVICE AND ADJUSTMENT METHOD THEREOF
A laser source device includes a laser source element configured to emit a laser beam, an optical element disposed downstream of the laser source element, and...
CHIP ON SUBMOUNT CARRIER FIXTURE
Heat assisted magnetic recording uses a laser diode (LD) to provide energy during the writing process. The LD is bonded on a submount chip which is referred to...
NARROW LINE-WIDTH LASER CHARACTERIZATION BASED ON BI-DIRECTIONAL PUMPED
BRILLOUIN RANDOM FIBER LASER
A method and apparatus for launching optical pump signals into a disordered gain medium at two points thereby producing a narrow line-width random fiber laser...
A laser apparatus may include a first laser resonator configured to generate a laser beam, a first optical element configured to adjust a divergence in a first...
Optic-microwave frequency discriminator for laser frequency difference
locking, and method thereof
An optic-microwave frequency discriminator includes: a fiber coupler receives and combines a first laser and a second laser, than the fiber coupler...
COMPACT FIBER SHORT PULSE LASER SOURCES
Examples of robust self-starting passively mode locked fiber oscillators are described. In certain implementations, the oscillators are configured as...