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