| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 10/14/1992 | EP0508694A2 A battery charging system |
| 10/14/1992 | CN1065360A 逆变器系统 Inverter System |
| 10/13/1992 | US5155740 Flicker compensating apparatus for DC arc furnace |
| 10/08/1992 | DE4110677A1 Current supply circuit for home electronic entertainment appts. e.g. for VTR - has microprocessor receiving all mains connections of separate appts. and switching only one on at any given time |
| 10/07/1992 | CN1065132A Electric cooking apparatus |
| 10/07/1992 | CN1018597B Circuit and method for dc content protection of parallel vscf power systems |
| 10/06/1992 | CA1308435C Peak power shaving apparatus and method |
| 09/30/1992 | EP0236422B1 Remote control circuit breaker |
| 09/30/1992 | CN2117664U Automatic two-way reversal loaded voltage regulator |
| 09/30/1992 | CN1018496B Arrangement for connecting system |
| 09/24/1992 | DE4100646A1 Identifying power fluctuations in mains supply - preventing undesired release of remote protective circuit breakers from transient deviations by generating blocking signal from measured impedance values |
| 09/23/1992 | EP0505082A2 Electric cooking apparatus |
| 09/23/1992 | EP0505074A1 Energy demand supply system |
| 09/23/1992 | CN2116995U Self controlling energy-saving box of motor |
| 09/23/1992 | CN1018412B Switching power-supply apparatus and isolating method thereof |
| 09/23/1992 | CN1018409B Low-frequency rapid unloading device |
| 09/17/1992 | WO1992015929A1 Reactive power compensator |
| 09/17/1992 | DE4111734C1 Symmetrising current distribution in parallel three=phase inverters - controlling inversion of potential setting of power semiconductors w.r.t. detected shunt currents |
| 09/17/1992 | DE4111733C1 Universal symmetrising method for current distribution in parallel three=phase inverters - controlling pulse formation w.r.t. shunt or zero current thresholds by supplying corresp. null vectors |
| 09/17/1992 | DE4108106A1 Reducing switch=on current pulse for inductive loads - increasing effective voltage on lead when connected to AC networks, whilst measuring reactive current and until current threshold or desired voltage is reached |
| 09/16/1992 | EP0502929A1 Filter arrangement |
| 09/15/1992 | US5148362 Method and device for balancing a three-phase system |
| 09/15/1992 | US5148361 Method and device for balancing the circuits of a three-phase system |
| 09/09/1992 | EP0502096A1 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads. |
| 09/09/1992 | CN2115543U Loss or miss-of-phase indicating device for reactive local compensator |
| 09/01/1992 | US5144543 Domestic appliance having electrically isolated input control circuitry |
| 08/26/1992 | CN2114233U Quasi-resonance efficient electric machine power-economizer |
| 08/25/1992 | US5142216 Compensating arrangement for a load voltage, synchronously disturbed by a distribution system or the like |
| 08/20/1992 | WO1992014298A1 Variable speed wind turbine |
| 08/19/1992 | CN2113563U Compensation electricity saving device |
| 08/11/1992 | US5138247 Reactive power compensating apparatus with higher harmonic suppressing function |
| 08/05/1992 | CN1063381A Voltag or reactive power control method and control device therefor |
| 08/04/1992 | US5136233 Means and method for controlling elecrical transformer voltage regulating tapchangers |
| 07/30/1992 | DE4101821A1 Generator synchroniser matching variable mains frequency network - couples each generator to ancillary bus, parallel to its power switch and collector bus |
| 07/29/1992 | EP0496549A2 Power control system adaptable to a plurality of supply voltages |
| 07/29/1992 | EP0496529A2 Boost switching preregulator and controller therefor |
| 07/29/1992 | CN2111584U 35 kv transformer substation stepless automatic control compensation device |
| 07/29/1992 | CN2111583U Time-share measuring load control cabinet |
| 07/28/1992 | US5134356 Reactive power compensator |
| 07/26/1992 | CA2057148A1 Power control system adaptable to a plurality of supply voltages |
| 07/22/1992 | EP0495590A2 Voltage or reactive power control method and control device therefor |
| 07/16/1992 | DE4100655A1 Electronic circuitry with measuring tap and PLL circuit - supplies output signal as rated current value to circuit with P or PI mode |
| 07/15/1992 | EP0494720A2 Arc furnace electrode control |
| 07/15/1992 | CN2110310U Circuit choked wave apparatus |
| 07/08/1992 | EP0493848A2 Electric motor drive and power processing apparatus |
| 07/08/1992 | EP0282577B1 Energy management system |
| 07/07/1992 | US5128854 Circuit arrangement for supplying a load |
| 07/07/1992 | CA1304779C Power converter |
| 07/01/1992 | EP0492822A1 Power fault protection for high momentum systems |
| 07/01/1992 | EP0492396A1 Parallel inverter system |
| 07/01/1992 | CN2109020U Energy saving starter |
| 07/01/1992 | CN2109011U Automatic tracting compensating petersen device |
| 06/23/1992 | US5124628 Gate pulse generator of a reactive power compensation device |
| 06/17/1992 | EP0490670A2 Induction motor control apparatus |
| 06/17/1992 | DE4040010A1 Feeding electric power to power storage current generator - has magnetic clutch, whose side, away from flywheel, can be secured against rotation |
| 06/17/1992 | CN2107704U Electric capacity compensation transformer |
| 06/16/1992 | CA1303718C Multiple time delay power controller apparatus with time delay turn-on and turn-off |
| 06/16/1992 | CA1303673C Power adapter for electrical installations and especially domesticinstallations with so-called carrier current control |
| 06/16/1992 | CA1303672C Method and apparatus of operating variable speed power generation system |
| 06/09/1992 | US5121315 D.C.-A.C. power converter with multiple conversions |
| 06/09/1992 | US5121048 Feedback control system for static volt ampere reactive compensator with thyristor controlled reactances |
| 06/09/1992 | US5121044 Electrical energy system |
| 06/09/1992 | CA1303127C High-pass element of a filter assembly for a line connected with static converters |
| 06/03/1992 | EP0488669A1 Operating control device and method for wound-rotor induction machine |
| 06/03/1992 | CN1061681A Adjustable bootstrap voltage mode static compensator |
| 06/02/1992 | CA1302495C Inverter control method and apparatus |
| 05/27/1992 | CN2105790U Power factor compensator of machine tool motor |
| 05/26/1992 | US5117175 Remote bias voltage setting LTC control system |
| 05/26/1992 | US5117174 Electric power system with line drop compensation |
| 05/19/1992 | US5115447 Arc furnace electrode control |
| 05/19/1992 | CA1301247C Control method for an extra high voltage d-c transmission connecting two three-phase networks |
| 05/14/1992 | DE4135367A1 Reducing reaction effect on mains with asynchronous generator switch=on - voltage jumps occurring at machine formerly with bridging of series resistances |
| 05/06/1992 | EP0483570A1 Method and apparatus for downline load rejection sensing in a gas turbine control system |
| 05/06/1992 | EP0483405A1 Flicker compensating apparatus for DC arc furnace |
| 05/06/1992 | CN1060933A Ac electric power transmission electric cable |
| 05/05/1992 | US5111377 Interconnection for electric power system |
| 05/05/1992 | US5111376 Voltage balancing circuit |
| 05/05/1992 | US5111059 Power transfer unit for transferring power supplied to a load between power sources responsive to detected scr gate-cathode voltage |
| 05/05/1992 | CA1300223C Reactive power compensation apparatus |
| 05/05/1992 | CA1300222C Reactive power compensation apparatus |
| 05/02/1992 | CA2054645A1 Method and apparatus for downline load rejection sensing in a gas turbine control system |
| 04/28/1992 | US5109185 Phase-controlled reversible power converter presenting a controllable counter emf to a source of an impressed voltage |
| 04/28/1992 | US5107685 Air conditioning system having a control unit for fine adjustment of inverter input current |
| 04/28/1992 | CA1299651C Gate signal generator for thyristor valve |
| 04/28/1992 | CA1299650C Parallel operating system for alternate current output converters |
| 04/21/1992 | US5107411 Interference free, pulse type transformer |
| 04/21/1992 | US5107410 Multi-phase and shifted phase power distribution systems |
| 04/21/1992 | CA1299239C Power adapter for electrical installations and especially domesticinstallations |
| 04/16/1992 | DE4032735A1 On-board ship electrical power generation installation - uses main diesel generator set and small auxiliary units using heavy oil fuel |
| 04/16/1992 | DE4023846A1 Load management circuit for washing machine and drum dryer - permits simultaneous operation of two appliances with one power supply line |
| 04/15/1992 | EP0211881B1 A.c. power supply systems |
| 04/15/1992 | CN1060372A Efficient energy-saving resonance-type ac motor |
| 04/14/1992 | US5105327 Ac power conditioning circuit |
| 04/08/1992 | EP0478966A2 Digital phase match discriminator for three-phase power |
| 04/01/1992 | EP0478232A2 Power factor improving arrangement |
| 04/01/1992 | CN2100705U Auto-control reactive power compensation and relay protection |
| 03/31/1992 | CA1298349C Method and apparatus for determining the actual value of the quenching-angle in the valves of an inverter |
| 03/28/1992 | CA2050068A1 Power factor improving arrangement |
| 03/25/1992 | EP0476618A2 Reactive power compensating apparatus with higher harmonic supressing function |
| 03/25/1992 | EP0476581A1 Apparatus for generating digital signal synchronized with phase of power supply |