Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
08/2013
08/28/2013CN203166537U Three-phase power phase offset adjustment device
08/28/2013CN203166536U Reactive compensation filter controller in power system
08/28/2013CN203166535U Fast low voltage composite switch
08/28/2013CN203166534U Thyristor switching capacitor triggering circuit
08/28/2013CN203166533U Stepless reactive power compensation device with individual phase control
08/28/2013CN203166532U Transformer station wiring circuit with dynamic reactive compensation function
08/28/2013CN203166531U Voltage and reactive power dynamic regulation device
08/28/2013CN203166530U Controller
08/28/2013CN203166529U Local automatic compensation device of intelligent three-phase asynchronous motor
08/28/2013CN203166528U Static reactive generator
08/28/2013CN203166527U Wind farm reactive voltage coordinated control system
08/28/2013CN203166526U Mobile series capacitor compensation apparatus for traction power supply system
08/28/2013CN203166525U Radiation structure wiring network with different power supplies
08/28/2013CN203166524U Electronically controlled engine ECU power supply and starting engine power supply device
08/28/2013CN203166523U Hybrid comprehensive compensation device
08/28/2013CN203166522U Active harmonic suppression device
08/28/2013CN203166521U Dynamic compensation filtering module device
08/28/2013CN203166520U A stability control circuit of the parallel operation of electric power active filters
08/28/2013CN203166519U Active filter
08/28/2013CN203166518U High-current power supply circuit
08/28/2013CN203166517U LY power circuit energy saver
08/28/2013CN203166516U Grid system based on load power supply section reasonable division
08/28/2013CN203166515U Large-scale regional inter-power-grid splitting control system
08/28/2013CN203166514U 110kV transformer station ring-in ring-out wiring structure
08/28/2013CN203166513U Shared-power-supply single ring network wiring system
08/28/2013CN203166512U Alternating current distribution system
08/28/2013CN203166511U Simple single-live line remote control power supply circuit
08/28/2013CN203166492U Non-impact opening-closing apparatus of ring network
08/28/2013CN203166346U Wind energy converter and main power cabinet thereof
08/28/2013CN103270665A Power control system and power control method therefor, and power gateway apparatus and power control method therefor
08/28/2013CN103270664A Method and apparatus for operating a domestic appliance and domestic appliance
08/28/2013CN103270663A Electricity management apparatus and electricity management method
08/28/2013CN103270459A Method for controlling the energy circulations in an object
08/28/2013CN103269201A Method for enhancing double-feeding inducing wind power system running performance
08/28/2013CN103269091A Wind-solar energy storage capacity configuring method based on wind-solar energy average output curve
08/28/2013CN103269090A Direct-current to alternating-current three-phase inverter
08/28/2013CN103269089A Multi-energy complementary micro-grid online type supporting inverter
08/28/2013CN103269088A Double-fed type wind generating set low-voltage-ride-through control method based on electromagnetic transient algorithm
08/28/2013CN103269087A Circuit model selection method taking wind power plant operation mode into consideration
08/28/2013CN103269086A Positive and negative sequence component separation method of low-voltage ride-through control of photovoltaic grid-connected inverter
08/28/2013CN103269085A Distributed fan locating and sizing system
08/28/2013CN103269084A Anti-reflux control device and photovoltaic energy storage connecting grid power generation method thereof
08/28/2013CN103269083A Multi-terminal high-voltage direct-current power transmission system
08/28/2013CN103269082A Reverse oscillation suppression system and method of large-sized generator set subsynchronous oscillation
08/28/2013CN103269081A Composite switch for 10KV non-impact switch multi-capacitor bank
08/28/2013CN103269080A Intelligent high-voltage automatic capacity adjusting reactive compensation device
08/28/2013CN103269079A Reactive compensation configuration method based on static and transient voltage stability constraint
08/28/2013CN103269078A SVC controller for controlling voltage and controlling method thereof
08/28/2013CN103269077A Harmonic suppression device of magnetically controlled reactor
08/28/2013CN103269076A Dynamic harmonic wave filtering method
08/28/2013CN103269075A Inductance-variable dynamic harmonic wave filtering method
08/28/2013CN103269074A Dynamic harmonic wave filtering device
08/28/2013CN103269073A APF controller based on DSP and FPGA
08/28/2013CN103269072A Circuit wave trapping device
08/28/2013CN103269071A Load unbalance compensation system
08/28/2013CN103269070A Automatic demand response system and automatic demand response method
08/28/2013CN103269069A Method for reconstructing low-voltage power transmission system
08/28/2013CN102510095B Combined cycle and straight condensing thermal power combined dispatching system and method
08/28/2013CN102340141B Network topology analytical method using matrix method
08/28/2013CN102208814B Capacitance compensation fling-cut switch
08/28/2013CN102130455B Shore-based variable frequency power supply system
08/28/2013CN102082433B Predicting device and method of voltage stability of wind power parallel network system
08/28/2013CN102013679B Method for analyzing influence on power grid after large-scale wind power central integration
08/28/2013CN101969206B Evaluation method for judging influence of grid structure on alternating current/direct current (AC/DC) system
08/28/2013CN101803138B Decentralized energy system and method for distributing energy in a decentralized energy system
08/28/2013CN101711448B Dynamic voltage sag correction
08/28/2013CN101447674B Voltage quality combined regulation device with differentiation configuration
08/27/2013US8520400 Integrated circuit with intra-chip clock interface and methods for use therewith
08/27/2013US8520345 Protection circuit applied to wind power generation system employing double-fed induction generator
08/27/2013US8519565 Generator set control system
08/27/2013US8519564 Multi-output power supply
08/27/2013US8519560 Power line communication device
08/27/2013CA2478667C Automatic energy management and energy consumption reduction, especially in commercial and multi-building systems
08/22/2013WO2013123055A1 Power line management system
08/22/2013WO2013121167A1 Power grid for solar pv systems
08/22/2013WO2013120976A1 Method for avoiding voltage instability in an electrical grid of an offshore wind park
08/22/2013WO2013098233A3 Adaptation of a power generation capacity and determining of an energy storage unit size
08/22/2013WO2013098184A3 Method of determining remedial control actions for a power system in an insecure state
08/22/2013WO2013092349A3 Handling resonances in a power transmission system
08/22/2013WO2013014238A3 Recharging of a pool of batteries
08/22/2013WO2012168338A3 Step-up converter
08/22/2013WO2012163979A3 Assessment of power systems
08/22/2013WO2012146621A3 Hvdc power transmission with cable fault ride-through capability
08/22/2013US20130214740 Multi-series battery control system
08/22/2013US20130214602 Method and system for generator control
08/22/2013US20130213573 State-based adjustment of power and frequency
08/22/2013DE10309391B4 Fernsehgegensprechanlage TV intercom
08/22/2013DE102013202389A1 Rotation speed-independent diesel engine generator system for power management in drilling system, has inverter producing alternating current of preset frequency from direct current to operate loads e.g. pumps
08/22/2013DE102012209019B3 Device for detection and notification of errors in current- and voltage curve of high- or medium-voltage line of electrical energy supply network, has detection part for measuring current and voltage of high-or medium-voltage line
08/22/2013DE102012202273A1 Transformatoranordnung für die Ortsnetz-Spannungsversorgung Transformer arrangement for the local network power supply
08/21/2013EP2629390A1 Power supply system
08/21/2013EP2629386A1 Method for avoiding voltage instability in an electrical grid of an offshore wind park
08/21/2013EP2629314A1 Magnetizing inrush current suppression device
08/21/2013EP2628238A1 Arrangement for transmitting power between a dc power line and an ac power line
08/21/2013EP2628232A1 Arrangement for and method of dynamically managing electrical power between an electrical power source and an electrical load
08/21/2013EP2628231A1 Controlling an electrical energy supply network
08/21/2013EP2628230A1 Method for communication in a hvdc power transmission system, controller unit and computer program product
08/21/2013EP2628229A2 Centralized power conditioning
08/21/2013EP2628228A1 Device and method for limiting an electrical current
08/21/2013EP2628227A1 Cycling load controller having a learn mode for automatically determining when the load is turned on and off
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