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)
03/2008
03/27/2008DE102006043299A1 Verfahren zum Minimieren des Energiebezugs eines Warenlagers A method for minimizing the energy import a warehouse
03/27/2008CA2660949A1 Modulation control of power generation system
03/26/2008EP1903656A1 Method for primary control for a joint electricity network
03/26/2008EP1903655A2 Power feeding system, electrical apparatus, power feeding apparatus, and computer readable storage medium
03/26/2008EP1903654A2 Power line communication apparatus, power feeding system, power feeding control method and computer readable medium
03/26/2008EP1902502A1 System and method for centralized monitoring of distributed power transformer
03/26/2008CN201042095Y A lighting power saver main circuit capable of saving transformer capacity
03/26/2008CN201042094Y A lighting power saver
03/26/2008CN201041944Y Flexible AC power transmission system based on flywheel energy storage
03/26/2008CN201041943Y Flexible AC double-feeder wind power generation and transmission system
03/26/2008CN201041942Y Low-voltage passive intelligent tuning filtering device
03/26/2008CN101150292A Method and system for detection and transfer to electrical island operation
03/26/2008CN100377481C Integration converton with three phase power factor correction
03/25/2008US7349887 Security constrained optimal dispatch for electricity markets
03/25/2008US7349883 Optimized transmission and load security constrained unit commitment dispatch using linear programming for electricity markets
03/25/2008US7349882 Optimized security constrained unit commitment dispatch using linear programming for electricity markets
03/25/2008US7348769 Electricity meter with power supply load management
03/25/2008US7348760 Power management topologies
03/20/2008WO2008031608A1 Method and apparatus for minimizing the electrical energy drawn by an industrial installation
03/20/2008WO2008015306A3 Reactive energy compensator
03/20/2008US20080067869 Power supply control for power generator
03/20/2008DE102006041659A1 Portable electric generator, has transportable container that is developed as closed, automatically controlling energy network system, adjustable consumer connection, and regulating, controlling and current transformer equipment
03/19/2008EP1901419A2 Generator system
03/19/2008EP1900076A1 Automated precision alignment of data in a utility monitoring system
03/19/2008EP1900074A2 Fast acting distributed power system for trasmission and distribution system load using energy storage units
03/19/2008CN201039590Y No inductive capacitance board structure
03/19/2008CN201039016Y Mega W direct drive wind network merging convertor
03/19/2008CN201038998Y High-voltage frequency converter harmonic wave filtering device for power generation station
03/19/2008CN201038821Y A drive system for petroleum borer and workover rig
03/19/2008CN201038785Y Generator excitation difference adjusting circuit
03/19/2008CN201038784Y Three-phase automatic balanced system electricity-saving apparatus
03/19/2008CN201038783Y Low-voltage three-phase load unbalanced automatic regulation and reactive compensation device
03/19/2008CN201038782Y Modular low voltage reactive dynamic compensator
03/19/2008CN201038781Y Three-phase split-supplement type composite switch
03/19/2008CN201038780Y Three-phase co-supplement type composite switch
03/19/2008CN201038779Y Low voltage reactive compensator
03/19/2008CN201038778Y Reactive power automatic compensating controller
03/19/2008CN201038777Y Highly effective full-automatic reactive compensation equipment
03/19/2008CN201038776Y Quick discharger for capacitor
03/19/2008CN201038775Y Voltage-regulating capacitance-adjusting type transformer substation reactive automatic compensation device
03/19/2008CN201038774Y Two-level switch type automatic tracking packet automatic switching capacitor device
03/19/2008CN201038773Y Capacitor marshalling device
03/19/2008CN201038772Y Modular reactive compensation and harmonic harnessing device
03/19/2008CN201038771Y Transformer separation type low-voltage feeding cabinet main circuit
03/19/2008CN201038770Y Harmonic-eliminating and power compensation device
03/19/2008CN201038769Y Drive wire wiring structure for drive circuit
03/19/2008CN201038768Y Electrified wire netting harmonic and flickering integral suppression device main circuit control device
03/19/2008CN201038767Y Electrified wire netting harmonic and flickering integral suppression device main circuit
03/19/2008CN201038766Y Electric filtering device intelligent controller
03/19/2008CN201038765Y Right-lifting low voltage feeding cabinet main circuit comprising iso-electric potential bus bar bridge
03/19/2008CN201038764Y Left-lifting low voltage feeding cabinet main circuit comprising iso-electric potential bus bar bridge
03/19/2008CN201038763Y Right-lift type low-voltage feeding cabinet main circuit
03/19/2008CN201038762Y Left-lift separation type low-voltage feeding cabinet main circuit
03/19/2008CN201038761Y Low voltage distribution system comprising iso-electric potential bus bar bridge
03/19/2008CN201038760Y Left-lift type low-voltage feeding cabinet main circuit
03/19/2008CN201038759Y Right-lift separation type low-voltage feeding cabinet main circuit
03/19/2008CN201038758Y Digitalized active regulation energy-saving device measurement circuit
03/19/2008CN201038757Y Digitalized active regulation energy-saving device main circuit
03/19/2008CN201038752Y Variable tuning capacitor type automatic compensation arc-suppression coil
03/19/2008CN201038736Y Motor multifunctional energy-saving intelligent protection and control cabinet
03/19/2008CN201038636Y Armored high-voltage parallel capacitor cabinet
03/19/2008CN201038628Y Left-lifting low voltage feeding cabinet comprising iso-electric potential bus bar bridge
03/19/2008CN201038627Y Right-lifting low voltage feeding cabinet comprising iso-electric potential bus bar bridge
03/19/2008CN201038626Y Right-lift separation type low-voltage feeding cabinet
03/19/2008CN201038624Y Right-lifting low-voltage feeding cabinet
03/19/2008CN201038623Y Left-lift separation type low-voltage feeding cabinet
03/19/2008CN201038622Y Left-lifting right-lifting low-voltage feeding cabinet
03/19/2008CN201038621Y Left-lift low-voltage feeding cabinet
03/19/2008CN201038620Y Low voltage feeding cabinet comprising iso-electric potential bus bar bridge
03/19/2008CN101145751A Current non-delay control method of AC excitation double-fed asynchronous wind power generator rotor
03/19/2008CN101145695A Active power compensation device
03/19/2008CN101145694A Integrated intelligent powerless compensation device
03/19/2008CN101145693A Power factor correction circuit
03/19/2008CN101145692A Drawing network high and second harmonic wave and resonance and transient voltage restraint device
03/19/2008CN101145691A Frequency sensitive filter
03/19/2008CN101145690A Master-slave low-voltage distribution energy-saving device and its method
03/19/2008CN101145431A Harmonic suppressing energy-saving transformer
03/19/2008CN101144834A Electric energy compensation method based on active and reactive power vector
03/19/2008CN101144458A Fluid pipe power generating system
03/19/2008CN100376066C Brushless phase modifier possessing harmonic wave inhibition function
03/19/2008CN100376065C Wind power generating system based on direct current generator
03/18/2008US7345381 Converter to provide an output voltage for plural input voltages
03/18/2008US7345379 Power converter with voltage and current fault setting
03/13/2008WO2008029849A1 Microgrid system building method
03/13/2008WO2008029711A1 Sequence-linked inverter device
03/13/2008WO2008028205A1 Modular inverter system
03/13/2008WO2008028203A2 Method for control of inverters
03/13/2008US20080061632 Switching Apparatus And Method For Varying An Impedance Of A Phase Line Of A Segment Of An Electrical Power Line
03/13/2008DE102006040892A1 Process to operate textile spinning assembly by comparison of energy demand at discrete motor speeds with machine output
03/13/2008DE102006040026A1 Transformator zur Stromsymmetrierung Transformer for current sharing
03/12/2008EP1898292A1 Apparatus and method for a global management of electrical power in an electric network
03/12/2008EP1897199A1 Managing congestion in an electrical power transmission network
03/12/2008CN201036135Y Electricity-saving winding
03/12/2008CN201035439Y Reactive voltage automatic control system of wind power generation field
03/12/2008CN101142731A Method and device for injecting reactive current during a mains supply voltage dip
03/12/2008CN101141112A Common DC bus based multi-frequency converter system for vessel
03/12/2008CN101141097A Two-stage matrix convertor for megawatt wind power generation
03/12/2008CN101141069A quick-speed synchronization parallelly-arranged system between electric networks and method of use thereof
03/12/2008CN101141068A Control methods for pulse width modulation (PWM)
03/12/2008CN101141067A Limitation inrush current push-pull device
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