Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
11/1995
11/28/1995US5471127 Induction motor control
11/23/1995WO1995031847A1 Recovery of transmitted power in an installation for transmission of high-voltage direct current
11/21/1995US5469528 Neural load disturbance analyzer
11/21/1995US5469045 High speed power factor controller
11/21/1995US5469044 Transmission line power flow controller with unequal advancement and retardation of transmission angle
11/21/1995US5467812 Air conditioning system with thermal energy storage and load leveling capacity
11/16/1995WO1995030942A1 Induction motor control
11/16/1995DE4420600C1 HV DC power transmission system
11/15/1995EP0681755A1 Method for interconnecting two synchronous polyphase ac networks and interconnecting apparatus for the same.
11/14/1995US5466973 Delivery point voltage regulation in electric energy distribution networks
11/09/1995WO1995030267A1 Method for improving voltage stability security in a power transmission system
11/09/1995WO1995030266A1 Method for performing a voltage stability security assessment for a power transmission system
11/09/1995DE4413440A1 AC power supply to inverter plant in three=phase mains network
11/09/1995DE19515786A1 Solar energy system
11/09/1995CA2188678A1 Method for performing a voltage stability security assessment for a power transmission system
11/09/1995CA2188674A1 Method for improving voltage stability security in a power transmission system
11/08/1995EP0681361A1 Synchronous machine with higher harmonics absorption function
11/08/1995CN2212279Y Two-way power supply automatic change-over device
11/07/1995US5465203 Hybrid series active/parallel passive power line conditioner with controlled harmonic injection
11/07/1995US5465040 Three phase power factor correction device and method
11/07/1995US5465010 Electrical [arrangement] distribution system for vehicle
11/02/1995WO1995029572A1 Electrical cooking apparatus
11/02/1995EP0680134A1 Apparatus for controlling converter having self-arc-extinction elements
11/02/1995EP0679898A2 Insulation state measurement method for decentralized power generating system
11/02/1995CA2188390A1 Electrical cooking apparatus
10/1995
10/31/1995US5463653 Power converter device for direct current power supply to an electric arc furnace
10/31/1995US5462225 Apparatus and method for controlling distribution of electrical energy to a space conditioning load
10/31/1995CA2033567C Reactive power compensation apparatus
10/24/1995US5461303 Power factor correction precompensation circuit
10/18/1995EP0677911A1 Islanding-operation prevention apparatus, and dispersed power generation apparatus and power generation system using the same
10/11/1995EP0603374A4 Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit.
10/04/1995EP0675588A2 Controlling the input current drawn by a switching power converter
10/04/1995CN1109653A 并联多重逆变器 Multiple parallel inverters
10/03/1995US5455761 Load control system
10/03/1995US5455760 Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit
10/03/1995US5455491 For an AC supply circuit
09/1995
09/27/1995EP0674376A2 Overcurrent trip unit with separately adjustable neutral protection
09/27/1995EP0673556A1 Process and device for determining the ordinal numbers of non-characteristic harmonic currents and for compensating the same.
09/27/1995EP0594851B1 Electric power accumulating apparatus
09/27/1995EP0502096B1 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads
09/27/1995CN2208752Y Medium-frequency power source output device
09/27/1995CN1109224A High votlage fast electric power supplying apparatus cross substations
09/26/1995CA2025505C Thyrister converter system with higher harmonics suppression
09/21/1995DE19505726A1 Control for generator in hybrid vehicle
09/20/1995EP0673101A2 Electrical power distribution monitoring system and method
09/20/1995EP0432269B1 System separation detector for power source of distributed type
09/20/1995CN1108756A Method for adjusting DC arc furnace
09/19/1995US5451755 Self-contained device for self-service delivery of electrical energy
09/13/1995EP0671067A1 Method and arrangement for detecting and damping transient oscillations at or near a natural resonant frequency in a power transmission system.
09/13/1995EP0671066A1 Apparatus and method for charging electric vehicles
09/13/1995CN1108444A Induction motor control apparatus providing high efficiency with rapid response to changes in load torque
09/13/1995CN1108442A 电力变换器 Power converter
09/12/1995US5450334 One time programmable switched-output controller
09/12/1995US5450310 Control system for power converter with prevention of DC magnetization in the transformer
09/08/1995WO1995024005A1 An electrically controllable inductor
09/06/1995CN2207023Y Reactive power compensation controllor
08/1995
08/31/1995WO1995023450A1 A system for off-mains switching of current consuming devices such as actuators
08/31/1995DE4405809A1 Identifying AC voltage in power supply network with several AC voltages
08/30/1995EP0669702A2 Harmonics active filter for a converter circuit
08/29/1995US5446645 Inverter apparatus and uinterruptible power supply using the same
08/29/1995CA2017062C Switching power supply apparatus and isolating method thereof
08/24/1995WO1995022848A1 Converter assembly for power transmission by means of high-voltage direct current
08/23/1995EP0667992A1 Load current fundamental filter with one cycle response
08/23/1995CN2206003Y Power factor compensation explosion-isolation type magnetic starter
08/23/1995CN2205975Y Computerized reactive auto-compensator
08/23/1995CN1107265A Differential distribution type electric energy storage system
08/22/1995US5444609 Passive harmonic filter system for variable frequency drives
08/22/1995US5444592 Portable power unit
08/17/1995WO1995022190A1 Method and apparatus for remote control of an electrical load
08/17/1995WO1995022155A1 Device for assembling power capacitors
08/16/1995EP0667054A1 Harmonic controller for an active power line conditioner
08/16/1995EP0667053A1 Active power line conditioner with synchronous transformation control
08/16/1995EP0667051A1 Synchronizer.
08/16/1995CN2205601Y Suppressor for distribution network wire breakage resonance
08/16/1995CA2115717A1 Method and apparatus for remote control of an electrical load
08/15/1995US5442335 Controller for controlling operation of at least one electrical load operating on an AC supply, and a method thereof
08/15/1995US5442271 Induction motor control apparatus providing high efficiency with rapid response to changes in load torque
08/15/1995CA2142532A1 Multi-powered aerial lift vehicle
08/09/1995EP0666633A1 An electric energy storage and distribution system of differential distribution type
08/09/1995EP0666632A1 Active filter
08/09/1995CN1106583A 低频输电方法 Low frequency transmission method
08/08/1995US5440442 Apparatus and method to determine capacitance required to optimize power factor
08/08/1995US5438914 Electric circuit for controlling the heat output of heating resistances in household appliances
08/05/1995CA2141173A1 Apparatus and method for controlling distribution of electrical energy to a space conditioning load
08/03/1995DE4402812A1 Circuit with inverters driven in parallel for supplying load
08/02/1995EP0665630A2 Power factor correction precompensation circuit
08/02/1995CN1106170A Equivalent balanced transformer
08/02/1995CN1106169A Multi-user tandem device for power supply
08/01/1995US5438253 Static var generator using self-commutated inverter
07/1995
07/26/1995EP0664598A2 Power supply system
07/26/1995EP0664597A2 Device for compensating high harmonics and/or the power factor of a non linear load connected to an alternative power network
07/25/1995US5436511 Apparatus for interrupting supply of power from power system to portion of consumer load in response to control signal from power system
07/25/1995US5436510 Method and a system for globally managing electric power in a network within a dwelling or the like
07/19/1995EP0663713A1 Method for adaptive compensation of effects of a non linear load and device therefore
07/19/1995EP0663115A1 Hvdc transmission
07/18/1995US5434497 Vernier enhanced control for shunt connected thyristor-controlled capacitors
07/18/1995US5434496 A.C. induction devices having compound resistive coupling of tuned reflux winding to neutral or electrical ground
07/18/1995US5434455 Harmonic cancellation system
07/18/1995CA2028807C Decentralized simulator
07/18/1995CA2018055C Superconductive voltage stabilizer