Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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01/14/1987 | EP0208088A1 Device for producing a three-phase voltage system with a neutral cable to be loaded |
01/08/1987 | DE3523666A1 Circuit arrangement for the floating switching-on of a GTO thyristor or bipolar transistor using an impressed control current |
01/08/1987 | DE3523108A1 DC/DC voltage converter |
01/08/1987 | DE3522872A1 Digital method and device for synchronous control of a mains-commutated converter |
01/06/1987 | US4635181 Bridge circuit for reduced switching losses |
01/06/1987 | US4635177 Control for a neutral point clamped PWM inverter |
01/06/1987 | CA1216328A1 Peak charging circuit providing for improved loop gain and common mode noise rejection |
01/02/1987 | DE3521983A1 Discharging circuit without significant losses for symmetrically arranged electronic switches in branched pairs |
12/30/1986 | US4633381 Inverter shoot-through protection circuit |
12/30/1986 | US4633380 Applied voltage detecting device for electric power convertor |
12/30/1986 | EP0205477A1 Control for a neutral point clamped pwm inverter |
12/30/1986 | CA1216023A1 Phase detecting apparatus |
12/23/1986 | US4631470 Current surge limited power supply |
12/18/1986 | WO1986007510A1 Static switch circuit or device for the protected supply of a load, and its line |
12/17/1986 | CN86102980A Control apparatus for alternating elevator |
12/16/1986 | US4630188 Multi-zone ramp system for digital pulse generator and large scale integrated chip embodying the same |
12/16/1986 | US4629971 Switch mode converter and improved primary switch drive therefor |
12/16/1986 | US4629852 Regulator circuit for control of heat output of a heating element |
12/09/1986 | US4628460 Microprocessor controlled phase shifter |
12/09/1986 | US4628430 Switching power-supply unit with improved start-up behavior |
12/02/1986 | US4626981 Dual voltage converter circuit |
12/02/1986 | US4626980 Power bridge having a non-dissipative snubber circuit |
12/02/1986 | US4626976 Switch mode power supply having magnetically controlled output |
12/02/1986 | US4626956 Electromagnetic feeder drive control apparatus |
12/02/1986 | US4626768 High-speed feedback circuit with ungrounded load |
12/02/1986 | US4626766 Circuit arrangement for feeding electrical users |
11/25/1986 | US4625271 Soft-start circuit for a power converter |
11/25/1986 | US4625270 RFI suppression technique for switching circuits |
11/25/1986 | US4625161 Control pulse generator for thyristors supplying a reactive power regulating inductor in an electrical power network |
11/20/1986 | EP0201707A1 Autoresonant Piezoelectric transformer signal coupler |
11/20/1986 | EP0201700A1 Control for on/off switchable power semiconductor components |
11/18/1986 | US4623948 Switching aid device |
11/18/1986 | US4623830 Alternating-current machine drive |
11/12/1986 | CN85103691A Trigger circuit of silicon controlling rectifier |
11/11/1986 | US4622474 Alternating-current filter circuit arrangement |
11/05/1986 | CN86102665A Control system for an electric locomotive having ac to dc converters |
11/04/1986 | US4621314 Thyristor converter control apparatus including differentiation arrangement to prevent abnormal operation |
10/29/1986 | EP0199315A2 Control system for an electric locomotive having AC to DC converters |
10/28/1986 | US4620263 Container for accommodating a control device |
10/28/1986 | CA1213321A1 Transistor inverter circuit |
10/15/1986 | EP0197445A1 Method and device to determine the phase position of a multiphase measure value system |
10/14/1986 | US4617533 Circuit arrangement for a blocking oscillator switching power unit |
10/14/1986 | CA1212720A1 Microprocessor controlled phase shifter |
09/30/1986 | US4614873 Signal isolator with optical fiber grounding means |
09/25/1986 | WO1986005636A1 Electrical power source |
09/24/1986 | EP0195713A1 Switching aid device for a switch and free-wheel diode |
09/24/1986 | CN86101356A Switching power supply |
09/23/1986 | US4613933 Digital drive system for pulse width modulated power control |
09/23/1986 | US4613795 Driver circuit controller for AC to AC converters |
09/23/1986 | CA1211788A1 Power system and a power generation method |
09/16/1986 | US4612610 Power supply circuit utilizing transformer winding voltage integration for indirect primary current sensing |
09/16/1986 | US4612561 Parallel-connected gate turn-off thyristors |
09/16/1986 | US4612451 Drive circuit for driving a transistor |
09/10/1986 | EP0194075A2 Switching power supply |
09/03/1986 | EP0193436A1 Control circuit for a switching power supply with a progressive start |
09/03/1986 | EP0193435A1 Control circuit for a switching power supply with an automatic start |
09/02/1986 | US4609980 Switching power supply with transistor drive circuit |
08/28/1986 | WO1986005040A1 Inverter shoot-through protection circuit |
08/26/1986 | US4608500 Electric power unit |
08/26/1986 | US4608499 Power system and power generation method |
08/26/1986 | US4608498 Load control circuit with different input voltages |
08/20/1986 | CN85202197U Super multi-box type isolated power transformation-electric filter |
08/19/1986 | CA1210124A1 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism |
08/14/1986 | WO1986004751A1 A.c. power supply systems |
08/12/1986 | US4606058 Process for generating control signals in a predeterminable phase position, circuit arrangement for effectuating the process and utilization of the circuit arrangement |
08/12/1986 | US4605997 Switch mode converter and improved deadband control therefor |
07/17/1986 | WO1986004188A1 Transistor inverter interlock circuit |
07/16/1986 | EP0187282A2 Digital drive system for pulse width modulated power control |
07/15/1986 | US4600917 Gate-turn-off thyristor failure detecting circuit |
07/08/1986 | US4599685 Control circuit for power converter apparatus |
07/08/1986 | CA1207383A1 Boost power supply having power factor correction circuit |
07/02/1986 | EP0186590A1 Control device for a phase regulator |
07/02/1986 | EP0186524A2 Line filter |
07/01/1986 | US4598353 Thyristor firing circuit for determining phase angle |
07/01/1986 | US4598351 Soft-start control for a push-pull converter-regulator with a flux balancing circuit |
06/25/1986 | EP0185181A1 Gate turn-off power thyristor having an anode-cathode circuitry with a low inductance |
06/24/1986 | US4597039 Switched capacitor induction motor drive |
06/17/1986 | US4595972 On/off power detector |
06/17/1986 | CA1206200A1 False recovery detection circuit for parallel or serial strings of thyristors |
06/17/1986 | CA1206198A1 High-power, high-frequency-inverter system with combined analog control |
06/10/1986 | US4594650 Inverter device |
06/10/1986 | US4594648 Wide frequency band coupling network for an active ripple and noise filter |
06/03/1986 | US4593348 Device for the generation of regulated and/or adjustable direct voltages or direct currents |
05/27/1986 | US4591963 Technique for reducing line current harmonics at input to power supply acting as nonlinear load |
05/27/1986 | US4591734 Integratable circuit for controlling turn-off voltage rate-of-change of non-regenerative voltage-controlled switching semiconductor devices |
05/27/1986 | CA1205132A1 Control system for controlling an scr network to regulate three-phase a-c power flow |
05/22/1986 | WO1986003073A1 Control for a neutral point clamped pwm inverter |
05/20/1986 | US4590546 Variable input voltage regulator circuit |
05/07/1986 | EP0180275A1 Circuit comprising series-connected semiconductor elements |
05/06/1986 | US4587438 Turn-off circuit for gate turn-off thyristor |
04/29/1986 | US4586121 Control signal generator arrangement for semiconductor switches |
04/29/1986 | US4586120 Current limit shutdown circuit with time delay |
04/22/1986 | US4584499 Autoresonant piezoelectric transformer signal coupler |
04/15/1986 | US4583158 High voltage thyristor valve |
04/09/1986 | EP0176800A1 Method and apparatus for controlling the switching condition of a gate turn-off thyristor |
04/01/1986 | US4580205 Current-type GTO inverter using GTO in its surge voltage clamping circuit |
04/01/1986 | US4580112 Active line filter for power line conducted interference |
03/25/1986 | US4578734 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism |
03/25/1986 | US4578632 Intergratable load voltage sampling circuit for R.M.S. load average voltage control apparatus |
03/25/1986 | US4578631 High-speed feedback circuit |