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)
10/2009
10/20/2009US7605496 Controlling inductive power transfer systems
10/20/2009US7605487 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method
10/15/2009WO2009126046A1 Power transmission system
10/15/2009WO2009125834A1 System stabilization device
10/15/2009WO2009125013A2 Electrical network for aircraft
10/15/2009WO2009125012A2 Electrical network
10/15/2009WO2009125007A2 Method for managing electrical network
10/15/2009WO2009053668A3 Electrical generator arrangements
10/15/2009US20090256425 Master/slave outlet system
10/15/2009US20090256424 Remote Controlled Extension Cord With Embedded Housing for a Remote Control
10/15/2009US20090256421 Mobile power generation system and method of constructing the same
10/15/2009US20090256419 Ac/ac power converter for aircraft
10/14/2009EP2018694B1 Detecting faults in power systems
10/14/2009CN201328101Y Safe and reliable outer exciting magnetic control electric reactor device
10/14/2009CN201328079Y Single-phase power factor correction analog circuit without detecting DC output voltage
10/14/2009CN201328078Y Single-phase power factor correction digital circuit capable of directly setting DC output voltage
10/14/2009CN201328021Y AC/DC synthesized integrated screen
10/14/2009CN201328011Y Reactive-power compensating device
10/14/2009CN201328010Y Mineral flame-proof type vacuum feed switch and reactive power compensation composite set
10/14/2009CN201328009Y Reactive power compensation system with thyristor as master switch synchronous switching capacitance
10/14/2009CN201328008Y 无功补偿电路装置 Reactive power compensation circuit device
10/14/2009CN201328007Y Novel reactive power dynamic compensation device
10/14/2009CN101558687A Method of load shedding to reduce the total power consumption of a load control system
10/14/2009CN101557190A Control method of net-side rectifier of double-fed asynchronous wind power generator under unbalanced network voltage
10/14/2009CN101557124A Double-purpose machine of energy-saving charging and reactive power compensation
10/14/2009CN101557116A Environment-friendly and energy-saving DC power station
10/14/2009CN101557115A Energy storing device for supplying valley current at peak of current supply
10/14/2009CN101557114A Reactive power in-situ compensation device for deep-sea motor
10/14/2009CN101557113A Digital low-voltage distribution network reactive power compensator
10/14/2009CN101557112A Control device for power filter compensation energy-saving equipment
10/14/2009CN101557111A Intelligent acquired electricity consumption data screening processing system
10/14/2009CN101557110A On-line analysis and aid decision making method for low-frequency oscillation of electric power system
10/14/2009CN101557109A Three-phase four-cable power distribution system and method for installing balancer in the system
10/14/2009CN101557081A Low-voltage capacitance compensating cabinet
10/14/2009CN101556664A Cooperative load forecasting method based on maximum informational entropy
10/14/2009CN100550572C Stable power supply system, operation method thereof, and stable power supply operation procedure
10/14/2009CN100550569C Control method and system for 10kV and lower distribution grid no power voltage optimized operation
10/14/2009CN100550568C Harmonic wave dynamic managing and reactive-load dynamic compensation compound control method and implementing device thereof
10/14/2009CN100550567C Power circuit module and fixed current power output control system
10/14/2009CA2665397A1 A method & apparatus for orchestrating utility power supply & demand in real time using a continuous pricing signal sent via a network to home networks & smart appliances
10/13/2009US7602085 Coal energy utilization system having superconducting power transmission
10/13/2009US7602079 Automatic sensing power systems and methods
10/13/2009US7602078 Combinational power cord for multimedia use
10/13/2009US7602075 Systems, methods and apparatuses for a wind turbine controller
10/08/2009WO2009123268A1 System stabilizing device
10/08/2009WO2009123094A1 Power assist device
10/08/2009WO2009122173A1 Scheduling usage or provision of resources
10/08/2009WO2009121867A1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy
10/08/2009WO2009121747A1 Alternating voltage generator device for a hybrid vehicle and alternating voltage generator system with a plurality of hybrid vehicles
10/08/2009WO2009085836A3 System and method for operating and powering an electronic device
10/08/2009WO2009081205A3 Grid synchronisation
10/08/2009US20090251007 Hot-Swappable Battery Retrofit Module
10/08/2009DE102008017337A1 Module arrangement for use as power supply module, has module units including individual power supply units for individual voltage supply, where power supply units are supplied with voltage supply lines
10/08/2009DE102008000994A1 Wechselspannungsgeneratorvorrichtung für ein Hybridfahrzeug AC voltage generating apparatus for a hybrid vehicle
10/07/2009EP2107672A1 Three-phase inverter without connection between the neutral conductor of the grid and the mid-point of the intermediate circuit
10/07/2009EP2107589A1 Switching device for grounding an inverter
10/07/2009EP2107518A1 Scheduling usage of resources
10/07/2009EP1938436B1 Charged/discharged power control for a capacitor type energy storage device
10/07/2009EP1623495B1 Power supply circuits
10/07/2009CN201323542Y Large-scale motor reduced voltage starting capacitor compensation device
10/07/2009CN201323471Y Voltage quality comprehensive adjusting device with differentiation configuration structure
10/07/2009CN201323458Y Automatic synchronization device of alternating-current synchronous generator
10/07/2009CN201323457Y A high-accuracy collecting-distributing automatic reactive power compensation control system
10/07/2009CN201323456Y Oil-field energy-saving comprehensive protection device
10/07/2009CN201323455Y Movable machine core for reactive power compensation device
10/07/2009CN201323454Y Combined type filter
10/07/2009CN201323453Y Renewable energy micro-grid
10/07/2009CN201323452Y Power source optimization circuit in three-way power supply
10/07/2009CN201323401Y Automatic flame-proof type reactive power compensation device used in mine
10/07/2009CN201320650Y Voltage-drop compensation device of point welding machine
10/07/2009CN101552569A Synchronization inverter main circuit topology
10/07/2009CN101552567A Compensation method for pulse width modulation dead zone in three-phase grid-connected converter
10/07/2009CN101552493A Magnetic circuit power transmission system
10/07/2009CN101552491A Integrated energy saving system of power supply and distribution system
10/07/2009CN101552474A AGC hierarchical coordinative control method based on security constraint of stable cross section
10/07/2009CN101552473A Reconstruction configuration method of reactor
10/07/2009CN101552472A Active electric power filter
10/07/2009CN101552471A Harmonic current absorber
10/07/2009CN101552470A Method for inhibiting sub-synchronous resonance on the basis of phase variation
10/07/2009CN101552469A Electrical energy control system based on a transformer substation and different loads of a common bus
10/07/2009CN101552462A Black-start method
10/07/2009CN101552445A Reconstruction configuration method of thyristor controlled reactor (TCR) valve block
10/07/2009CN101552112A Adjustable iron-core reactor
10/07/2009CN101551884A A fast CVR electric load forecast method for large samples
10/07/2009CN101551833A Computation method of thyristor broadband electromagnetical transient based on electric charge control theory
10/07/2009CN100547876C Merged network and power adjustment system for direct drive permanent magnetic synchronization generator and its method
10/07/2009CN100547875C Electricity network safety stable controlling system testing method
10/06/2009US7599200 Electric power converter
10/06/2009US7598706 Cell balancing battery pack and method of balancing the cells of a battery
10/01/2009WO2009121014A1 Method for managing a modular power source
10/01/2009WO2009118433A1 Wind turbine operation method and system
10/01/2009WO2009118068A1 Energy supply system with a protected solar module
10/01/2009WO2009098288A3 System and methods for scheduling power usage
10/01/2009WO2009037163A3 Method and apparatus for monitoring power transmission
10/01/2009US20090243582 Phase-cut dimming circuit
10/01/2009CA2719434A1 Wind turbine operation method and system
10/01/2009CA2718186A1 Energy supply system with a protected solar module
09/2009
09/30/2009EP2105856A1 Energy supply system with a protected solar module
09/30/2009CN201319507Y Active power filter compensating device
09/30/2009CN101548447A Determination and use of power system sensitivities for power flow control
1 ... 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 ... 387