| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 04/28/1993 | EP0539301A1 Coupling device of an external power supply to an aircraft on the ground |
| 04/28/1993 | EP0538298A1 A switchboard. |
| 04/27/1993 | US5206802 Blanking interval voltage deviation compensator for inverters and converters |
| 04/27/1993 | US5206580 Magnetoelectric generating system |
| 04/27/1993 | US5206539 Transformer with cancellation of harmonic currents by phase shited secondary windings |
| 04/21/1993 | EP0538078A1 Method for a global management of electrical power in an electric network for a building and system for carrying out this method |
| 04/21/1993 | EP0537739A2 Power circuit |
| 04/21/1993 | CN2130298Y Load controller |
| 04/20/1993 | US5204606 From an AC power source to an induction motor |
| 04/20/1993 | US5204596 Device having a multiphase load, a static converter and inductance coils |
| 04/15/1993 | DE4133901A1 Resonance damping system for transport HV cables - uses thyristor stage controlled via trigger on output side of voltage converter |
| 04/14/1993 | EP0536876A1 Electric power system for marine vehicles |
| 04/14/1993 | CN2129996Y Low voltage electric power timed quatitative complex controller |
| 04/13/1993 | US5202583 Thyristor controlled series capacitor vernier control system |
| 04/07/1993 | EP0535631A1 Power demand control |
| 04/07/1993 | EP0535382A1 Procedure for economical operation of an island network with renewable sources of energy and a circuit for execution of the procedure |
| 04/07/1993 | CN2129484Y Power factor automatic compensater |
| 04/07/1993 | CN2129483Y Reactive in-place compensater with break-off and phase losing indicating device |
| 04/07/1993 | CN1070776A Blanking interval voltage devication compensator for inverters and converters |
| 04/07/1993 | CN1070774A Reactive power compensating apparatus with higher harmonic suppressing function |
| 04/06/1993 | US5199912 Electric power system for marine vehicles |
| 04/01/1993 | WO1993006644A1 Measuring process for obtaining a switching command in a rapid changeover device |
| 04/01/1993 | DE4238892A1 Continuous reactive power compensation in AC lighting supplies - has bridge network with power transistors switched by PWM controller having phase variable control. |
| 04/01/1993 | DE4229277A1 Current control appts. for load - is installed at user equipment connected to current supply system and has automatically separable load |
| 03/30/1993 | US5198746 Transmission line dynamic impedance compensation system |
| 03/30/1993 | US5198745 Dynamic braking resistor system |
| 03/24/1993 | EP0533403A2 Blanking interval voltage deviation compensator for inverters and converters |
| 03/24/1993 | CN2128793Y Imaginary power automatic compensator |
| 03/24/1993 | CN2128792Y Load regulator for time difference |
| 03/18/1993 | CA2077116A1 Blanking interval voltage deviation compensator for inverters and converters |
| 03/17/1993 | EP0531995A2 An AC/DC rectifier power source |
| 03/16/1993 | US5194757 Uninterruptible power supply |
| 03/04/1993 | WO1993004522A1 Plural inverter control arrangement |
| 03/04/1993 | DE4232516A1 Uninterruptable power supply e.g. for use on island - has photovoltaic panels, wind generator, and storage battery connected in parallel to busbar, with emergency diesel generator |
| 03/03/1993 | CN1069603A Control arrangement for parallel operation of PWM inverter |
| 03/02/1993 | US5191520 Power supply system |
| 03/02/1993 | US5191519 Current sharing control in a parallel inverter system |
| 03/02/1993 | US5191518 For converting DC to AC |
| 03/02/1993 | US5191226 Circuit for supplying plural loads via a smps and/or directly from an ac voltage source |
| 03/02/1993 | US5191191 Logic circuit and method for controlling the power supply of an ironing system |
| 02/24/1993 | EP0528016A1 Reactive power compensator. |
| 02/18/1993 | WO1993003532A1 Electrical energy system |
| 02/16/1993 | US5187651 System for discharging electrical power from a high-voltage direct current line to local network |
| 02/16/1993 | US5187454 Electronically tuned matching network using predictor-corrector control system |
| 02/16/1993 | US5187427 Static reactive power compensator |
| 02/11/1993 | DE4126274A1 Increasing thyristor utilisation in rectifier - forming effective, permitted, valve-rated current in rectifier in dependence on actual DC voltage at input |
| 02/09/1993 | WO1993003531A1 Dynamic braking resistor system |
| 02/09/1993 | WO1993003430A1 Phase-shifting transformer system |
| 02/09/1993 | CA2092085A1 Dynamic braking resistor system |
| 02/09/1993 | CA2092084A1 Phase-shifting transformer system |
| 02/09/1993 | CA1313552C Demand limit control by integral reset of thermostats |
| 02/09/1993 | CA1313537C Method and apparatus for decoupling the active and reactive power control for a high voltage dc transmission line coupling two networks |
| 02/04/1993 | DE4125839A1 Domestic supply system for house and building - has communal rooms with supply coupled to distributors having computer intelligence for control to meet demands |
| 02/03/1993 | EP0526445A1 Optically triggered high voltage switch network and method for switching a high voltage |
| 01/28/1993 | DE4124650A1 Load management circuit for household appliances e.g. washing machine, dryer |
| 01/27/1993 | EP0524398A2 Circuit for controlling output current balance between parallel driven PWM-type power inverting units |
| 01/26/1993 | US5182463 3-Phase converter apparatus |
| 01/26/1993 | CA1313219C Pulse width modulation high voltage direct current transmission system and converter |
| 01/19/1993 | US5181180 Method and apparatus for monitoring and maintaining an optimum balance between the main phases of a multi-phase multiple load local electrical distribution system |
| 01/19/1993 | US5180963 Optically triggered high voltage switch network and method for switching a high voltage |
| 01/19/1993 | US5180923 Method and apparatus for downline load rejection sensing in a gas turbine control system |
| 01/12/1993 | CA1312653C Apparatus and method for reducing transient exponential noise in a sinusoidal signal |
| 01/12/1993 | CA1312649C Scheme for rapid adjustment of network impedance |
| 01/07/1993 | WO1993000648A1 Electrical distribution system having mappable control inputs |
| 01/07/1993 | EP0521576A1 Circuit for measuring the current distribution in parallel-operating alternating-voltage sources |
| 01/07/1993 | EP0521424A1 Shunt connected superconducting energy stabilizing system |
| 01/07/1993 | EP0520981A1 Process and device for detecting the load angle of a generator connected to an electric supply network. |
| 01/05/1993 | US5177430 Circuit for securing a power supply |
| 12/30/1992 | EP0520221A1 Electronically switched power receptacle |
| 12/29/1992 | WO1993000623A1 Electrical distribution system with improved circuit for multiple circuit breaker control |
| 12/29/1992 | US5175677 Load control system |
| 12/29/1992 | CA2089642A1 Electrical distribution system with improved circuit for multiple circuit breaker control |
| 12/23/1992 | EP0519635A2 Method and apparatus for controlling the output voltage of an AC electrical system |
| 12/23/1992 | EP0519574A1 Device for the load-sharing parallel connection of alternating-voltage sources |
| 12/23/1992 | EP0519501A2 A control method using neural networks and a voltage/reactive power controller for a power system |
| 12/23/1992 | EP0519249A2 Apparatus for detecting short-circuit for use in bi-polar d.c. transmission system |
| 12/17/1992 | DE4014077A1 Modified power factor correction for asymmetrically loaded network - exploits self-inductance of network for achievement of symmetry through comparison of initial and final states |
| 12/16/1992 | EP0518220A2 Electrical power distribution busway and bus plug arrangement |
| 12/10/1992 | WO1992022118A1 Method and circuit for direct-current transmission |
| 12/10/1992 | DE4119233A1 Power supply network stabilisation circuit for low voltage computers - has high power supply network connected via transistor to voltage reducing device and to two electromagnetic switches |
| 12/10/1992 | CA2110039A1 Method and circuit for direct-current transmission |
| 12/02/1992 | CN2123826U Explosion-insulating reactive power terminal compensator |
| 12/02/1992 | CN1019345B Apparatus for automazation of power circuit dispatch and controlling device of power load |
| 12/01/1992 | US5168170 Subscriber electric power load control system |
| 11/24/1992 | US5166597 Phase-shifting transformer system |
| 11/18/1992 | CN1066345A Reactive power compensating and relay protecting device for single chip microcomputer |
| 11/11/1992 | CN1066155A Self-adapting compensation process in-situ and compensating gear |
| 11/10/1992 | US5162983 Active filter device for suppressing harmonics in a system including a capacitive load |
| 11/10/1992 | US5162964 Connection control device for controlling the connection of small generator unit to electric power system |
| 11/10/1992 | CA2067557A1 Optically triggered high voltage switch network and method for switching a high voltage |
| 11/03/1992 | US5160852 Power adapter |
| 10/31/1992 | CA2041473A1 Method and means for suppressing geomagnetically induced currents |
| 10/28/1992 | EP0510601A1 Parallel operation system of AC output inverters |
| 10/28/1992 | CN2120399U Three-phase electric machine quasi-harmonic efficient electricity-economizer |
| 10/27/1992 | CA1309487C Apparatus for reducing stresses that initiate restrike of breakers in disconnecting capacitor banks |
| 10/21/1992 | EP0509680A2 Common mode filtered magnetic connector |
| 10/21/1992 | EP0456728A4 Power supply system |
| 10/21/1992 | CN1018785B Improvement in gate pulse generator for static var compensator |
| 10/20/1992 | CA1309153C Power control for cooking appliance with multiple heating units |
| 10/20/1992 | CA1309138C Device for reactive power compensation with capacitors |