Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2010
03/03/2010EP2159895A2 Electrically parallel connection of photovoltaic modules in a string to provide a DC voltage to a DC voltage bus
03/03/2010EP2159663A2 System and method for controlling ramp rate of solar photovoltaic system
03/03/2010EP2158671A1 Inverter unit without transformer for thin-film solar panels
03/03/2010EP2158658A1 System and method for control of a tcsc in an electricity transport network, specifically using a lyapunov approach
03/03/2010EP2158657A1 Control system and method for a tcsc in an electric energy transport network in particular using a sliding-modes approach
03/03/2010CN201418059Y Power-saving protection device of generator
03/03/2010CN201418036Y New-type high-efficiency specially-required power supply circuit
03/03/2010CN201418024Y Half-bridge power module and back to back type current transformer constituted by the half-bridge power module
03/03/2010CN201418005Y High-efficient energy-saving motor
03/03/2010CN201418003Y multi-power energy-saving motor
03/03/2010CN201417965Y All-in-one energy-saving system for supplying and distributing power
03/03/2010CN201417955Y Low voltage reactive compensating harmonic capacitor device
03/03/2010CN201417954Y Variable-load type phase advancer
03/03/2010CN201417953Y Zero-crossing triggering capacitor box
03/03/2010CN201417952Y 静止同步无功补偿装置 Static Synchronous reactive power compensation device
03/03/2010CN201417951Y Tunable filter
03/03/2010CN201417950Y 有源滤波装置 Active filter device
03/03/2010CN201417949Y Hybrid active filter
03/03/2010CN201417948Y Distribution network status and operating mode optimizing system based on DSCADA system
03/03/2010CN201417947Y New-type high-efficiency specially-required power supply controller
03/03/2010CN101662157A Method of obtaining PID parameter in wind power generation inversion grid connection
03/03/2010CN101662156A Storage battery grid-connected current control method based on compound control strategy
03/03/2010CN101662155A Voltage loading method for inhibiting from starting instantaneous current rush and device thereof
03/03/2010CN101662154A Link control panel of IGBT valve of chain static synchronous compensator
03/03/2010CN101662153A Thyristor power control triggering method
03/03/2010CN101662152A High-voltage parallel capacitor device of vehicle-mounted removable container
03/03/2010CN101662151A Controllable reactive power absorption inductor for power network
03/03/2010CN101662150A Fully-controlled type electric power saving system
03/03/2010CN101662149A Novel zero sequence harmonic active filter
03/03/2010CN101662148A Voltage initial value setting method of load flow calculation with rectangular coordinate newton method
03/03/2010CN101662147A Power grid control action availability on-line evaluation method
03/03/2010CN101662146A Traction inphase power supply device for track electric locomotive
03/03/2010CN101662145A Power network reservoir and maximum power generating capacity intelligent dispatching and visualization system thereof
03/03/2010CN100593275C Power factor correction circuit
03/02/2010US7671854 High-potential output stage
03/02/2010US7671485 Storage system
02/2010
02/28/2010CA2676497A1 Controlling transient response of a power supply
02/25/2010WO2010021052A1 Power converting apparatus
02/25/2010WO2010020984A1 Power booster for cable systems
02/25/2010WO2010020411A1 Limiting device for residual currents in a low voltage inverter
02/25/2010WO2010020219A1 Method and device for optimized energy management
02/25/2010WO2010002687A3 Static var corrector
02/25/2010US20100046259 Single-phase self-driven full-bridge synchrounous rectification
02/25/2010US20100046255 Hvdc system
02/25/2010US20100045113 Power source device and magnetic resonance imaging apparatus using the same
02/25/2010US20100045109 AC Power Distribution System with Transient Suppression and Harmonic Attenuation
02/25/2010DE212008000035U1 Hochfrequenz (HF)-Wechselrichter Radio frequency (RF) inverter
02/25/2010DE102008039429A1 Verfahren zur Regelung eines Windparks Method for controlling a wind farm
02/25/2010DE102008039334A1 Verfahren und Vorrichtung zum optimierten Energiemanagement Method and apparatus for optimized energy management
02/25/2010DE102008038542A1 Verfahren und Vorrichtung zur Aufschaltung einer Photovoltaikanlage an ein Stromversorgungsnetz Method and apparatus for connection of a photovoltaic system to a power supply network
02/25/2010CA2734699A1 Power conversion apparatus
02/24/2010EP2157676A2 Method and device for connecting a photovoltaic assembly to an electrical network
02/24/2010EP2156531A1 System and method for control of a tcsc in an electricity transport network, specifically using a lyapunov approach
02/24/2010CN201414087Y Photovoltaic grid-connected power generating system for high-rise residential balcony
02/24/2010CN201414025Y Electricity distribution on-line management terminal
02/24/2010CN201414006Y Photovoltaic grid-connected power generation system
02/24/2010CN201414005Y Novel electricity-saving device
02/24/2010CN201414004Y Single-phase voltage regulation type automatic reactive power compensation device used in electrified railway
02/24/2010CN201414003Y Grouping automatic switching high-voltage capacitor device
02/24/2010CN201414002Y Outdoor box-type grouping automatic switching high-voltage capacitor device
02/24/2010CN201414001Y Grouping switching dry-type self-healing high-voltage capacitor device
02/24/2010CN201414000Y Intelligent controlled electrical pole crossover filtering electricity economizer
02/24/2010CN201413999Y EMS dispatching remote control anti-misoperation device
02/24/2010CN201413998Y Intelligent electromagnetic precise regulation and control type efficient electricity-saving device
02/24/2010CN201413997Y Wind power prediction system
02/24/2010CN201413766Y 110kv power transformer with automatic reactive power compensation voltage regulating function
02/24/2010CN101656423A Light-wind-water complementary type water pumping and energy storing power generation peak adjusting device
02/24/2010CN101656422A Solar photovoltaic power generating system applied to power supply substation
02/24/2010CN101656421A Simulation method of electricity grid oscillating signal
02/24/2010CN101656420A Reactive compensation type intelligent voltage regulator
02/24/2010CN100592597C Complementary system of thin-film cell photovoltaic power station and wind electric field
02/24/2010CN100592596C Equipment and method for controlling electric power flow in high voltage network
02/23/2010US7667344 Coupling communications signals to underground power lines
02/23/2010CA2429064C System for correcting power factor and harmonics present on an electroduct in an active way and with high-dynamics
02/18/2010WO2010019248A2 Systems and methods for conditioning and controlling power usage
02/18/2010WO2010018264A1 Electric power transmission system with a dc link
02/18/2010WO2010018194A2 Power plant system for selective operation in power networks at various network frequencies
02/18/2010WO2010017662A1 Power saving device
02/18/2010WO2009134115A3 Uninterrupted battery operated generator
02/18/2010US20100038969 Method and system for electrical power generation
02/18/2010US20100038966 Automatic transfer switch
02/18/2010DE102008046606A1 Photovoltaic system operating method, involves attaching direct current generator to connection element, and connecting motor axle of motor with shaft, where energies are separated from motor and another motor during operation process
02/17/2010EP2154780A1 An electrical power arrangement
02/17/2010CN201409109Y Diesel generator set intelligent control system
02/17/2010CN201409017Y Distribution transformer comprehensive monitoring and reactive power compensating system
02/17/2010CN201409002Y Concurrent control module
02/17/2010CN201409001Y Handheld generator charger
02/17/2010CN201409000Y Energy storage power station
02/17/2010CN201408999Y Capacitor status indicator
02/17/2010CN201408998Y Intelligent integrated comprehensive low-voltage power distribution box
02/17/2010CN201408997Y Low-voltage intelligent power capacitor
02/17/2010CN201408996Y Three-phase input equal current-sharing controller with power factor correction
02/17/2010CN201408995Y Broadband power-saving protection system
02/17/2010CN201408994Y High-power power quality management control system
02/17/2010CN201408232Y Switching test preset device of capacitor group
02/17/2010CN101651351A Feedback and pressurizing type power grid voltage regulating and stabilizing device
02/17/2010CN101651350A Method for no-load switching-on of ultrahigh voltage transformer of alternating-current 1,000kV
02/17/2010CN101651349A Fuel cell generator
02/17/2010CN101651348A Systems and methods of dynamic reactive support for a power transmission system
02/17/2010CN101651347A Parallel-connection type active power filter
1 ... 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 ... 387