Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2013
03/27/2013CN103001241A Medium-and-close-range medium-and-low-voltage anti-theft consumption-reducing power transmission system
03/27/2013CN103001240A In situ monitoring system for energy storage of all-vanadium redox flow battery
03/27/2013CN103001239A Method for configuring energy storage capacity of autonomous micro-grid
03/27/2013CN103001238A Elevator energy saving system
03/27/2013CN103001237A Intelligent combination switch
03/27/2013CN103001236A Wind turbine generator reactive power regulation method and system based on air quenching cooler (AQC) of wind power plant
03/27/2013CN103001235A Method for evaluating risks of MOV (metal oxide varistor) of series capacitive compensator
03/27/2013CN103001234A Method for controlling reactive voltage in ultra-high voltage grid on the basis of improved economic voltage difference
03/27/2013CN103001233A Wireless remote monitoring system and wireless remote monitoring method for reactive compensation device
03/27/2013CN103001232A Low-voltage reactive compensation independent switch control system
03/27/2013CN103001231A Integrated and distributed regulating system and method for reactive resources in distribution network
03/27/2013CN103001230A Non-invasive power load monitoring and decomposing current mode matching method
03/27/2013CN103001229A Novel droop control design method based on current increment projection and suitable for pure resistive load
03/27/2013CN103001228A Secondary power supply device and secondary power supply method for prolonging working time of primary load
03/27/2013CN103001227A Phase-shift type electromagnetism-balancing, voltage-regulating and power-saving device
03/27/2013CN103001226A Method for controlling bus voltage stability in electric brake of electric driven mine car
03/27/2013CN103001225A MAS-based (multi-agent system) multi-microgrid energy management system simulation method
03/27/2013CN103001224A Control method for regulating island light diesel micro-network frequency on basis of robust control and super-capacitor
03/27/2013CN103001223A Off-grid type microgrid frequency adjusting method based on control of energy-storing current converter
03/27/2013CN103001222A Method and device for preventing power transmission device capacitor from being damaged
03/27/2013CN103001221A Power-saving ageing system of switching power supply
03/27/2013CN103001220A Optimal matching loop power based method for identifying topological structures of power distribution network
03/27/2013CN103001219A Optimal coordination control method of multiple flexible alternative current transmission systems (FACTSs) based on trend entropy
03/27/2013CN103001218A Reactive voltage coordination control method based on comprehensive benefits of transmission and distribution power grid
03/27/2013CN103001217A Rapid distribution network load transfer method based on load balance
03/27/2013CN103001216A Method for quickly restoring power supply of power distribution network containing distributed power source
03/27/2013CN103001215A Power grid load forewarning management method and system
03/27/2013CN103001214A Method for calculating three-phase tide of power distribution network on basis of neutral point offset
03/27/2013CN103001213A Continuous power supplying guarantee device for power supply
03/27/2013CN103001197A Method for achieving dynamic self-adapting bidirectional current protection
03/27/2013CN102998559A Island detection method and device and electric system
03/27/2013CN102990912A Heating lamp tube temperature guaranteeing device for bidirectional-stretching bottle blowing machine
03/27/2013CN102255324B Networking power compensation control system
03/27/2013CN102222913B Intelligent distribution active filtering device
03/27/2013CN102170126B Online analysis and early warning method for low-frequency oscillation of electric power system
03/27/2013CN102136733B Time frequency-domain comprehensive synthesizing method of low-frequency oscillation property of power system
03/27/2013CN102055368B 100-KVA micro-grid energy storage bidirectional converter
03/27/2013CN102035214B Determining method of maximum load in direct current support weak receiving system recovery procedure
03/27/2013CN101982917B Calculation method of available transmission capacity for power grid scheduling
03/27/2013CN101950984B Low-cost interface structure and method for monitoring direct current side information of solar cell panel
03/27/2013CN101938142B Desert synchronization photovoltaic power generating system with solar azimuth tracking device and tracking method thereof
03/27/2013CN101938141B Method for evaluating and optimizing auto generation control effect of large power network grid-connected power plant
03/27/2013CN101917007B Method for determining inductance value at alternating side of shunt active power filter
03/27/2013CN101904083B 功率控制 Power control
03/27/2013CN101882796B Control method of tailings discarding speed rise mechanical kinetic energy feedback rate of high-speed wire rod mill
03/27/2013CN101803139B STACOM system for providing reactive and/or active power to a power network
03/27/2013CN101710738B Automatic voltage control system of power plant substation
03/27/2013CN101710711B Monitoring system for energy storing device for output power of smooth wind power system
03/27/2013CN101689061B Switching technique for efficient electrical power utilization
03/27/2013CN101577425B Optimal load allocating system
03/27/2013CN101521379B Isolating device for a power semiconductor and method for operation thereof, power module and system installation
03/27/2013CN101436781B Power system
03/26/2013US8406935 Load forecasting analysis system for calculating customer baseline load
03/26/2013US8406934 System for regulating the active power of a wind farm
03/26/2013US8405254 Power supply circuit for standby power control and power supply system in daisy chain
03/26/2013US8405251 Method and apparatus for reduction of harmonics in a power supply
03/26/2013US8405250 Electronic device control system and method
03/26/2013US8405246 Power supply circuit for motherboard
03/26/2013CA2666906C Cogeneration system
03/21/2013WO2013040575A1 Power-centric system management
03/21/2013WO2013039556A1 Determining load reductions in demand response systems
03/21/2013WO2013039555A1 A scalable and web-based dr platform for communication of a dr signal using a network server
03/21/2013WO2013039554A1 A system and a method for optimization and management of demand response and distribute energy resources
03/21/2013WO2013039553A1 Load forecasting from individual customer to system level
03/21/2013WO2013039404A1 Device for stable subsea electric power transmission to run subsea high speed motors or other subsea loads
03/21/2013WO2013039403A1 Device for stable subsea electric power transmission to run subsea high speed dc motors or other subsea dc loads
03/21/2013WO2013039208A1 Power information management system, power information management device, and program
03/21/2013WO2013038483A1 Peak cut system
03/21/2013WO2013038482A1 Peak-cut control device
03/21/2013WO2013038458A1 Power distribution device
03/21/2013WO2013038174A1 Power distribution algorithm
03/21/2013WO2013038173A1 Power distribution algorithm
03/21/2013WO2013038172A1 Power distribution algorithm
03/21/2013WO2013038128A2 A reactive power compensation system and a method of controlling a reactive power compensation system
03/21/2013WO2013038105A1 Stabilization of a dc electric network
03/21/2013WO2013038095A1 Optimization of a home automation system using a local power line communication network
03/21/2013WO2013038044A1 Intelligent plug for domestic and industrial use in intelligent electricity networks
03/21/2013WO2013037846A1 Sub-synchronous oscillation damping by shunt facts apparatus
03/21/2013WO2013037680A1 Electric load adjustment
03/21/2013WO2013037657A2 Method and device for stabilizing a power supply network
03/21/2013WO2013037400A1 M2lc system with dual mode operation for energy transfer and reactive power compensation
03/21/2013WO2013013656A3 Method for adaptively controlling the supply voltage in local distribution systems
03/21/2013WO2013009588A3 Distributed energy grid management
03/21/2013WO2013003357A3 B-side feed for critical power applications
03/21/2013WO2012177636A3 Method and apparatus for controlling energy services based on market data
03/21/2013WO2012177633A3 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
03/21/2013WO2012156712A3 Optimising use of energy
03/21/2013WO2012109450A3 Dynamic frequency and pulse-width modulation of dual-mode switching power controllers in photovoltaic arrays
03/21/2013WO2011156799A3 Detecting state estimation network model data errors
03/21/2013US20130073123 Energy Control Apparatus For Controlling Hybrid Energy Sources For An Aircraft
03/21/2013US20130071134 Power control method, power control device, and image forming apparatus
03/21/2013US20130069617 Power adapter
03/21/2013US20130069550 Power Supply Device and Luminaire
03/21/2013US20130069429 Battery managing apparatus, battery pack, and energy storage system
03/21/2013DE112011101884T5 Leistungsverteilungssystem mit Prioritätslaststeuerung Power distribution system with priority load control
03/21/2013DE102011114344A1 Leistungssteuereinrichtung und Verfahren zum Lastausgleich eines Netzes Power control device and method for load balancing of a network
03/21/2013DE102011113846A1 Verfahren und Einrichtung zur Detekion eines Inselbetriebs von Energieerzeugungsanlagen Method and apparatus for Detekion an island operation of power generation facilities
03/21/2013DE102011083150A1 Steuerung einer Energie-Rückspeisung von einer Anzahl von Kraftfahrzeug-Akkumulatoren in ein Energienetz Control of energy recovery from a number of automotive batteries in a power grid
03/21/2013DE102011082840A1 Method for controlling loads of power network, involves molding loads and determining objective function for predetermined prediction time and considering loads as constraints during optimization of modeling of loads
03/21/2013DE102011082819A1 Einstellung eines elektrischen verbrauchers Setting an electrical consumer's