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Patent Searching and Data


Matches 251 - 300 out of 9,110

Document Document Title
WO/2016/057934A1
A method includes monitoring electrical output in an open control loop from a variable speed drive to a remote permanent magnet motor, the variable speed drive electrically connected to the permanent magnet motor via a power transmission...  
WO/2016/030098A1
The invention relates to an electric drive. An electric drive according to the invention has at least one drive motor and at least one transmission. The transmission is arranged in a housing and has a frame which is fixed to the housing,...  
WO/2016/030605A1
The invention relates mainly to a starter (DEM) including: an electric motor (DCM); a contactor (EC) for supplying power to said electric motor (DCM), said contactor (EC) including at least one coil (11, 12) located in a chamber of said ...  
WO/2016/023588A1
Method for starting (101, 102) an electronically commutated, brushless drive motor (1) of an auxiliary assembly of a motor vehicle, which drive motor has a motor stator (2) comprising at least one stator coil (21) and a permanent-magnet ...  
WO/2016/019664A1
A motor starting method and a starter. The starting method comprises: generating a driving power with fixed periodic waveforms to trigger a silicon controlled rectifier when receiving a motor starting signal; calculating the triggering t...  
WO/2016/015072A1
The invention discloses an electrical circuit for controlling by closed-loop control and open-loop control, in the electromagnetic lathe (100), the starting current, the operating current, the rotational speed, the power, the power facto...  
WO/2016/008386A1
Disclosed is a self-controlled brushless motor liquid resistance starter, comprising movable electrodes (6), stationary electrodes (5), and an elastic resistance apparatus that prevents the movable electrodes from moving toward the stati...  
WO/2016/004786A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor comprises a current transformer L1 and bidirectional controllable silicon T. One end (1) of a primary coil of the current transformer L1, one...  
WO/2016/004785A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor. A permanently running capacitor (C2) is connected between a primary winding leading-out end (M) and a secondary winding leading-out end (S) ...  
WO/2016/004787A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor comprises a current transformer (L1) having a primary coil and a secondary coil, bidirectional controllable silicon (T) and a starting capaci...  
WO/2016/004788A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor comprises a current transformer L1 having a primary coil and a secondary coil, and bidirectional controllable silicon T. One end (1) of the p...  
WO/2016/004784A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor. A permanently running capacitor (C2) is connected between a primary winding leading-out end (M) and a secondary winding leading-out end (S) ...  
WO/2016/004789A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor comprises a current transformer (L1) having a primary coil and a secondary coil, and bidirectional controllable silicon (T). One end (1) of t...  
WO/2016/004782A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor. A permanently running capacitor (C2) is connected between a primary winding leading-out end (M) and a secondary winding leading-out end (S) ...  
WO/2016/004783A1
A mutual-inductance contactless current starter for a commercial refrigeration compressor motor. A permanently running capacitor (C2) is connected between a primary winding leading-out end (M) and a secondary winding leading-out end (S) ...  
WO/2015/193586A1
The method according to the invention calls upon a rotary electric machine (1) comprising a drive member (3) and a transmission member (4) of the belt or chain type, collaborating with the drive member and with the combustion engine (2) ...  
WO/2015/184047A1
A system and method for estimating operating characteristics of an induction motor is disclosed. The system includes a motor control device that is electrically connectable between a motor and a power source. The motor control device inc...  
WO/2015/169341A1
A method of starting a BLDC motor may include maintaining all power stage transistors in an off state during a motor startup check responsive to activation of a start switch, determining, prior to motor startup, motor state information i...  
WO/2015/164686A1
Control systems and methods for starting an induction motor. The control system includes a plurality of wye switches, a plurality of delta switches, an AC power supply, and a soft-starter. The plurality of wye switches are connected betw...  
WO/2015/158457A2
The invention relates to a switching device for a wye-delta switch in a multiphase motor with one motor winding per phase, each motor winding comprising a motor winding connection pair (U1, U2, V1, V2, W1, W2), and the switching device c...  
WO/2015/158218A1
A motor restarting controller, which belongs to the technical field of industrial control. The motor restarting controller comprises a logic relay unit (10), a time relay unit (20), a standby power source unit (40) and an output relay (5...  
WO/2015/138766A1
A multi-speed electric motor may include a plurality of windings arranged into winding phase groups. A speed controller may switch two or more windings between a series and a parallel configuration in each winding phase group. The speed ...  
WO/2015/131563A1
A method for controlling the flying start of a frequency converter, comprising the steps of: sampling a line voltage of a frequency converter, and processing same into a positive voltage and then outputting same to a digital signal proce...  
WO/2015/128013A1
The invention relates to a method for braking a rotating element (2) of an assembly (1), wherein a rotor (7) of a rotating eddy current brake (6) is rotatably fixed to the rotating element (2), a stator (8) of the rotating eddy current b...  
WO/2015/115911A1
A monitoring and control system having a power input, a power output and a switching unit electrically connected between the power input and the power output. The switching unit has a default on position in which a current path is provid...  
WO/2015/113277A1
A drive system comprises a power supply (1), a control unit (4), a shifting device (3), an inverter (2) and at least two motors (11,12), wherein a power input (21) of the inverter (2) is connected to the power supply (1), a power output ...  
WO/2015/097441A1
An improved method of starting a switched reluctance motor uses two neighbouring pairs of coils, both energised, to bring the rotor to its initial position. Then one of pairs of coils is turned off and the rotor is attracted by the other...  
WO/2015/099992A2
A system and method for automatically defining and tuning operating parameters for a motor control device with minimal or no operator input is disclosed. The system includes a motor control device electrically connectable to an AC motor ...  
WO/2015/085378A1
The present invention patent relates to an electronic circuit for an electronic start key for monophase motors with starting capacitors or with a starting capacitor and a permanent capacitor, and to electric monophase motors fitted with ...  
WO/2015/055464A1
A method for operating a universal motor (100), comprising the following steps: - establishing a synthetic variable (SG) from at least two physical operating parameters of the universal motor (100); and - operating the universal motor (1...  
WO/2015/056271A1
The present invention relates to an improved star delta starter for starting a three phase star delta motor comprises improved power contactors configured to have a pair of three pole delta and main contactors, and a single pole star con...  
WO/2015/054105A1
A self-recharging electric generator system in communication with an external system and that includes a battery unit configured to supply power to the self-charging electric generator system, an automatic switching unit configured to sw...  
WO/2015/043696A1
The invention relates to an energy accumulator arrangement (1), comprising an electrical energy accumulator (3) that is constituted of a number of electrically interconnected accumulator elements (4) and at least one electrical capacitor...  
WO/2015/041785A2
A synchronous transfer control system includes an arc resistant enclosure (8) having a main housing (26) having an open top portion (40) and an arc plenum (28), the arc plenum having a closed front portion (42), a closed rear portion (44...  
WO/2015/028322A1
To interface a prime mover driven alternator (20) with an alternating current network, an electronic load (80) connected in parallel with the prime mover driven alternator (20) is activated as part of a transition between a disconnected ...  
WO/2015/024009A2
A motor drive for and a method of controlling a motor. In one example, the motor drive controls the motor to simulate capacitors and achieve optimal performance of a mechanical machine. In another example, the motor drive controls the mo...  
WO/2015/015117A1
The method according to the invention is implemented in an alternator-starter (1) comprising phase windings (u,v,w) connected to an inverter (3) linked to an onboard electrical network (2) powered by a battery for operation as a starter....  
WO/2015/010234A1
A circuit includes a processor (230) that analyzes a pulse width modulated (PWM) signal feedback from a brushless DC motor (220) to determine a transition between a mutual inductance zero crossing condition and a Back Electro Motive Forc...  
WO/2015/011955A1
A reciprocating electric tool according to an aspect of the present invention comprises a mounting unit, a motor, a power transmission unit, and a control unit. The control unit is configured so as to: operate the motor at a first speed ...  
WO/2015/007413A1
The invention relates to a method for identifying a motor rotation direction of an electric motor (10) operated by a multi-phase supply voltage (5) via supply lines (3.1, 3.2). According to the invention, the relative phase shifts betwee...  
WO/2014/209127A1
Method and system for starting an electrical machine (12) driven by a power source (15) via at least one transformer (14, 18) between the power source (15) and the electrical machine (12), which electrical machine (12) is arranged to a d...  
WO/2014/186120A1
A motor control circuit and associated techniques can drive an electric motor in a start-up mode of operation followed by a normal mode of operation. The motor control circuit and techniques can receive a selection signal provided by a u...  
WO/2014/174339A1
There is disclosed a method of starting-up a switched reluctance, SR, motor (100) having a rotor (110) and a stator (120), wherein the stator has a plurality of coils (121, 122,123,124), wherein electrically coupled coils form a pluralit...  
WO/2014/173411A1
The invention relates to a method for monitoring drive engines, particularly for aircraft or the like, particularly in the start-up phase, wherein a detection of abnormal start-up behaviour, particularly elevated torque, is provided, or ...  
WO/2014/169173A1
An architectural covering is provided. The architectural covering includes: shade material; the shade material operatively connected to a motor unit such that movement of the motor unit causes movement of the shade material; the motor un...  
WO/2014/153915A1
A drive circuit of an electric curtain body and an electric curtain body. The drive circuit of the electric curtain body comprises a motor, a switching module used for controlling an operating state of the motor, and a power supplying mo...  
WO/2014/133026A1
A speed-sensorless motor starting device (100) for starting a motor, provided with: a modular multilevel cascade inverter (1) of the double star chopper cell type; a current-command-value generation means (31) for generating a current co...  
WO/2014/128110A1
Embodiments of the invention are based on the idea of providing one type of motor that safely can be adapted to be connected to different voltage according to the mains supply present. By providing a motor comprising windings arranged to...  
WO/2014/121423A1
Disclosed in the present invention is a double-pack lithium electric lawn mower comprising a DC motor for driving a cutting blade, wherein the DC motor is connected with a control system, and the control system is connected with a power ...  
WO/2014/105774A1
A load control device includes an input and an output connectable to an AC source and an AC load, respectively, with one or more supply lines each corresponding to a phase in the load connecting the input and output. Line-side switches a...  

Matches 251 - 300 out of 9,110