| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
|---|
| 08/30/1995 | CN1107625A Rotational speed control device for an ac motor |
| 08/30/1995 | CN1107624A High-efficiency power supply control apparatus for variable-speed induction motor |
| 08/29/1995 | US5446363 Method of controlling induction motor |
| 08/29/1995 | US5446361 Circuit arrangement for powering a two-phase asynchronous motor |
| 08/29/1995 | US5446360 Method and apparatus for controlling single phase induction motor |
| 08/23/1995 | EP0552184B1 Process for determining the load of an asynchronous motor fed via a frequency converter and a device for carrying out the process |
| 08/22/1995 | US5444350 Process for determining the load of an asynchronous motor fed via a frequency converter and a device for carrying out the process |
| 08/22/1995 | US5444344 System for controlling variable frequency driver for AC motor including selectable speed signals |
| 08/16/1995 | EP0563192B1 Monitoring apparatus |
| 08/15/1995 | US5442271 Induction motor control apparatus providing high efficiency with rapid response to changes in load torque |
| 08/10/1995 | DE4418244A1 Electronic inverter for control of synchronous or asynchronous motors |
| 08/10/1995 | DE19503180A1 Fault sensing system for 3 phase inverter and asynchronous motor |
| 08/10/1995 | DE19501375A1 Wechselrichter-Steuerverfahren und -vorrichtung Inverter control method and apparatus |
| 08/08/1995 | CA1336616C Electrically powered active suspension for a vehicle |
| 08/02/1995 | EP0447405B1 Control system for a motor |
| 08/02/1995 | CN1106176A Vector controlling method and apparatus for induction motor |
| 07/26/1995 | EP0664595A2 Controller for power device and drive controller for motor |
| 07/25/1995 | US5436819 Apparatus for and method of compensating for an output voltage error in an inverter output |
| 07/25/1995 | US5436544 Method of phase advancing compensation control for an AC synchronous motor |
| 07/25/1995 | CA2013492C Variable-voltage and variable-frequency power converter |
| 07/13/1995 | WO1995019065A1 Device and method for controlling motor |
| 07/13/1995 | WO1995018925A1 Process and device for controlling an electric induction machine with a special winding for simultaneously generating a torque and a transverse force therein |
| 07/12/1995 | EP0662749A1 Torque multiplier method for a asynchronous dual wound motor |
| 07/12/1995 | EP0662266A1 Process and device for regulating a converter-powered, permanently excited synchronous motor. |
| 07/05/1995 | EP0661796A1 Apparatus and method for controlling current of variable speed driver |
| 07/05/1995 | EP0661453A2 Air conditioner and inverter driving circuit therefor |
| 06/29/1995 | WO1995017780A1 Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines |
| 06/21/1995 | EP0658971A1 Power supply control system of an asynchronous motor |
| 06/21/1995 | EP0658266A1 Process and device for controlling with pulsed signals. |
| 06/21/1995 | EP0373227B1 Current control device for pwm control |
| 06/21/1995 | CN1103941A Device for electrically controlling wind supply in apparatus for hot gas heating |
| 06/20/1995 | US5426357 Control device for induction motor |
| 06/14/1995 | CN1028940C Power converter for converting DC voltage into AC phase voltage having three levels of positive, zero and negative voltage |
| 06/08/1995 | WO1995015611A1 Electronic system for saving energy in three-phase asynchronous motors with variable loads |
| 06/08/1995 | WO1995015468A1 Improvement in the electronic control arrangement for motor-driven refrigeration compressors |
| 06/06/1995 | US5422557 Method and apparatus for controlling the speed of a single phase induction motor using frequency variation |
| 05/31/1995 | EP0655175A1 Process for operating permanently excited single-phase alternating current machines |
| 05/30/1995 | US5420778 Independent real time control of output frequency and voltage of PWM inverter |
| 05/30/1995 | US5420487 Device for receiving/transferring parallel signals |
| 05/30/1995 | US5419411 Energy conservation type hydraulic elevator and speed control method of hydraulic elevator |
| 05/24/1995 | CN1102919A Inverter apparatus |
| 05/17/1995 | EP0653832A2 Method and device for controlling speed of a washing machine motor |
| 05/16/1995 | US5416398 Method and device for operating a synchronous machine |
| 05/11/1995 | DE4439932A1 Invertor device |
| 05/02/1995 | US5412293 Power supply for motor usable with an electric vehicle |
| 04/26/1995 | EP0649723A2 Hydraulic actuation system for injection moulding machines |
| 04/25/1995 | US5410240 Method and device for open-loop control of single-phase or multiphase A.C. power controllers |
| 04/25/1995 | US5410236 Device to regulate the speed of an electric motor and its method of operation |
| 04/18/1995 | US5408401 For converting direct current power into alternating current |
| 04/18/1995 | US5408169 Device for controlling an asynchronous motor |
| 04/18/1995 | US5408165 Device comprising a multiphase load, a static converter and inductance coils |
| 04/18/1995 | US5407027 Elevator control apparatus with compensation for current sensor offset voltage |
| 04/12/1995 | EP0648008A1 Pulse width modulation inverter current detection method |
| 04/11/1995 | US5406150 Circuit for controlling current |
| 04/05/1995 | EP0646902A2 Device for receiving and transferring a plurality of parallel signals |
| 04/04/1995 | US5404089 PWM inverter controller with wave form memory |
| 03/30/1995 | DE4332338A1 Feed apparatus for wood processing |
| 03/29/1995 | EP0645880A1 Variable speed driving apparatus for an AC motor |
| 03/28/1995 | US5402080 Method of measuring unsaturated inductances of an equivalent circuit of a synchronous machine |
| 03/28/1995 | US5402054 Variable speed AC drive control |
| 03/22/1995 | EP0419656B1 Speed controller |
| 03/21/1995 | US5400240 Power converter apparatus |
| 03/21/1995 | US5400237 PWM inverter controller with waveform memory |
| 03/21/1995 | US5399954 Inverter for use with winding system and method for controlling the same |
| 03/16/1995 | DE4331214A1 Method for operation of a three-phase motor which is supplied by two current intermediate-circuit converters and has two DC-isolated, three-phase stator windings which are offset through 30 DEG electrical |
| 03/09/1995 | WO1995006974A1 Variable speed motor controller |
| 03/09/1995 | CA2170632A1 Variable speed motor controller |
| 03/07/1995 | US5396161 Temperature compensator circuit for an induction motor |
| 02/23/1995 | WO1995005702A1 Process for controlling the speed of rotation of a single-phase or polyphase induction motor |
| 02/14/1995 | US5390102 Parallel running control apparatus for PWM inverters |
| 02/14/1995 | US5389868 Drive control apparatus for driven machine and parameter display method in drive control apparatus for driven machine |
| 02/07/1995 | US5388052 Method of operating an induction motor |
| 02/07/1995 | US5387856 Speed control arrangements for electric motors |
| 02/02/1995 | WO1995003649A1 Process and device for compensating a fault voltage at a pulse-controlled inverter |
| 02/01/1995 | EP0637127A1 Three-phase electronic inverter for variable speed motor and method of operating same |
| 01/26/1995 | WO1995002920A1 Efficient control system for electric motors |
| 01/26/1995 | DE4425547A1 Frequency regulating method for an invertor, and a device for this purpose |
| 01/26/1995 | DE4324306A1 Method and circuit arrangement for operating a convertor motor which is excited by a rotating field |
| 01/26/1995 | CA2166862A1 Efficient control system for electric motors |
| 01/18/1995 | CN1027433C Electric vehicle controlling apparatus and inductive motor controlling apparatus |
| 01/12/1995 | DE4423736A1 Method for regulating the power of a centrifugally operating machine which is driven by an electric motor |
| 01/11/1995 | CN1027414C Apparatus for controlling of parallel-working pulse with modulating inverters |
| 01/05/1995 | WO1995001004A1 Apparatus for controlling the supply voltage of an asynchronous motor |
| 01/05/1995 | DE4421976A1 Rotation speed control device for an alternating-current motor |
| 01/03/1995 | US5378952 Machine drive system and method |
| 12/28/1994 | EP0631374A2 Induction motor control apparatus providing high efficiency with rapid response to changes in load torque |
| 12/28/1994 | EP0631373A2 Method and apparatus for controlling hybrid excitation type permanent magnet synchronous motor |
| 12/22/1994 | CA2126398A1 Induction motor control apparatus providing high efficiency with rapid response to changes in load torque |
| 12/21/1994 | CN1096569A 压缩机 Compressor |
| 12/20/1994 | US5375050 Electric power converter arrangement and electric rolling stock control device using the same |
| 12/20/1994 | US5375028 Overcurrent protective device and device for detecting overcurrent |
| 12/15/1994 | DE4319549A1 Method and device for driving a motor at a variable rotation speed |
| 12/14/1994 | EP0629038A2 AC motor control |
| 12/14/1994 | EP0629037A1 Power supply control process and device for an electric asynchronous motor |
| 12/13/1994 | US5373223 Power converter/inverter system with instantaneous real power feedback control |
| 12/07/1994 | EP0627809A2 Method of operating an inverter for powering an induction motor |
| 12/07/1994 | EP0627135A1 Controlling device for electric motors |
| 12/06/1994 | US5371645 Inverter air conditioner |
| 12/06/1994 | US5371458 Method for determining the stator flux of an asynchronous machine |
| 12/06/1994 | US5371446 System for and method of driving electric automotive vehicle |