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Matches 301 - 350 out of 11,416

Document Document Title
WO/2011/098485A3
The invention relates to a method for reducing the starting current of a polyphase machine operated by block commutation, said machine comprising a battery, and, per phase, a high-side switch, a low-side switch, a phase winding, and a ro...  
WO/2012/064197A1
Method and device for starting a motor (12) in weak grids, especially asynchronous motors, which motor after start-up is supplied by a supply grid (13). The device (11) includes a frequency converter (14), which is rated in relation to t...  
WO/2012/058033A1
A method and apparatus to dynamically and adaptively demodulate induction motor instantaneous rotor slot harmonic frequency for line-connected squirrel-cage polyphase induction motors. The instantaneous rotor slot harmonic frequency carr...  
WO/2011/039257A3
The invention relates to a method for operating a d.c. generator, especially a starter (10) for an internal combustion engine, the armature (46) of the machine being fed by brushes (42) and a commutator (44) from a constant voltage sourc...  
WO/2012/049041A1
The invention relates to a drive device (2) for driving a component (3) of a household appliance (1), comprising an electric drive motor (4) and a control device (10) for setting an electric power output delivered to the drive motor (4),...  
WO/2012/025086A3
The invention relates to a method for starting at least one asynchronous electric motor of a large hydraulic excavator having a service weight > 100 t and having an electrohydraulic drive, in that the particular electric motor is transfe...  
WO/2012/049770A1
A rotator location detection unit (11) comprised in a synchronous machine activation device further comprises: a timing detection unit (21) which outputs a first location signal which denotes a timing whereat a value of armature voltage ...  
WO/2012/045506A1
The invention relates to a method and a circuit assembly for operating an electrical machine. The method is carried out in particular in a start phase, wherein a current is limited by a controllable resistor, the controllable resistor is...  
WO/2012/034546A1
The invention relates to a circuit arrangement for controlling and/or limiting the current draw of a three-phase or alternating-current motor, in particular during the starting phase, wherein the circuit is connected in series upstream o...  
WO/2012/025298A1
The invention relates to a method for operating a starter (203) of a vehicle, according to which a physical quantity is measured, characterized in that, depending on the measured physical quantity, a starter current of the starter (203) ...  
WO/2011/110445A3
The invention relates to a device for starting an internal combustion engine, having a battery terminal, a starter motor and a switching module arranged between the battery terminal and the starter motor. The switching module comprises a...  
WO/2012/013498A2
The invention relates to an electric motor, in particular a starter motor (3) for starting an internal combustion engine (2), having a commutator, a brush apparatus having pairs of brushes, having a bus bar (16) at the positive pole and ...  
WO/2012/012848A1
An integrated controller for an operator unit for powering an overhead garage roller door or roller shutter is described. The operator unit comprises a motor, an output drive assembly, a timing assembly unit, and a clutch assembly for pr...  
WO/2012/013189A2
The invention relates to a method (19) for starting an electric single-phase induction motor (1), wherein during a start-up interval of the start-up cycle for starting said electric motor (1), the frequency (fref) of the electric current...  
WO/2012/011155A1
The disclosed control apparatus (1) for an AC rotary machine comprises a control circuit (2), an electric-power converter (3), a current detector (5), and a voltage detector (7). The control circuit (2) is provided with: a start-up curre...  
WO/2012/010190A1
An electric power tool (100) and a system (200, 300, 400) for varying the starting direction of the operational movement of at least one working implement of the electric power tool (100) are disclosed. The electric power tool (100) also...  
WO/2012/006389A1
Battery apparatus for use in starting railroad locomotives includes a portable housing. A Lithium Iron Phosphate chemistry Lithium ion battery is carried within the housing. The battery has a positive output lead and a negative output le...  
WO/2011/160883A1
The present invention relates to a starting apparatus for internal combustion engines, comprising a relay (51) having at least two working contacts (7, 8), at least one contact plate (6) and at least one electrical resistance component (...  
WO/2011/080240A3
The present invention relates to a variable speed hermetic compressor (1) providing the refrigerant cycle to be performed, comprising a motor (2) fed by the mains voltage (Vac), a main winding (AS), an auxiliary winding (YS), a first swi...  
WO/2011/144457A1
The invention relates to equipment comprising a first calculation unit (53) for carrying out a inverse Park transform on the basis of the voltages (Uq and Ud) at the output of the PI current controllers (52), outputting electric-voltage ...  
WO/2011/145334A1
One embodiment off this control device without a rotation sensor is a control device that controls an inverter (1) that drives a synchronous device (2), and is equipped with phase angle and angular velocity estimation units (5,6), which ...  
WO/2011/144456A1
The invention relates to a method for adjusting a resolver in an electric machine, wherein the resolver rotor is the adjustable member of the resolver and is frictionally mounted on the mounting thereof such that the angular position the...  
WO/2011/064013A3
The invention relates to a circuit assembly (1) for an electric machine (2), in particular a starter motor for starting an internal combustion engine (15), in a motor vehicle, comprising a current limiter (3) for limiting an activation c...  
WO/2010/112153A3
The invention relates to a method for operating an electrical machine, especially a separately excited synchronous machine having an additional squirrel cage. The electrical machine comprises a rotor which is mobile relative to a stator ...  
WO/2011/125681A1
Disclosed is a unrefuel-type booster compressor integral with a motor, wherein a piston ring is composed of a self-lubricating resin, said piston ring being configured to supply gas to be compressed, which has been introduced to a crank ...  
WO/2011/123443A1
A switched reluctance motor includes at least four stator poles and an electrically conductive material around each of the stator poles. The geometric outline, on one side of the stator pole, of at least one of the conductive materials i...  
WO/2011/113577A1
An ac synchronous electrical machine includes a stator (6) and a multi-phase stator winding that defines a plurality of stator poles. The stator winding has two or more coil groups (Group 1, Group 2...), each coil group including a plura...  
WO/2010/060671A3
The invention relates to a method for controlling an electric motor (M), especially in a fan, by means of a control variable (PWM). Said method comprises the following steps: a manipulated variable (TV) having a time curve ((ΔTV/Δt)Sol...  
WO/2011/098485A2
The invention relates to a method for reducing the starting current of a polyphase machine operated by block commutation, said machine comprising a battery, and, per phase, a high-side switch, a low-side switch, a phase winding, and a ro...  
WO/2011/051598A3
A turbine engine starter/generator includes a main electrical machine (20), having a stator and a rotor (22) having a wound rotor inductor and shock-absorbing bars forming a housing, and an exciter (30), having a stator inductor and a ro...  
WO/2011/095719A1
The invention relates to a method for controlling a power switch that is connected in series between a terminal of an electric motor and a terminal of a battery supplying power to said motor. Said method comprises a phase (50) for limiti...  
WO/2010/083579A3
The present invention refers to a control and protection system for a single-phase induction motor capable of detecting a start-up condition of the motor based on the observation of the phase difference between the currents of the main a...  
WO/2011/094980A1
An electronic starter for a refrigeration compressor is provided with a stop bar (7) and an inclined wedge (11) which are matched to each other and are separately located in a housing (10). A stop bar bevel surface (7-1) and a stop bar f...  
WO/2011/062361A3
Disclosed is an apparatus and method for controlling a single-phase induction motor, particularly, an apparatus and method for controlling a single-phase induction motor, capable of rendering the motor strong to variation of an input vol...  
WO/2011/090021A1
A special motor such as the one mentioned in patent document 1 is further improved to increase the utilization efficiency or operation rate thereof. Provided is a single-phase AC synchronous motor (1) that implements a control wherein a ...  
WO/2011/085805A1
The invention relates to a method and device for operating an asynchronous motor having increased efficiency. According to the invention, ranges for a motor size of the asynchronous motor are specified. In addition, a value of the motor ...  
WO/2011/082859A2
The invention relates to a method for starting a synchronous machine, wherein a predefined torque M_V1 is given and a rotational speed of the synchronous machine is adjusted once the synchronous machine has been started, characterized in...  
WO/2011/040725A3
Disclosed are a single-phase induction motor and a method thereof, in which a switching device, such as a triac, is provided for each of the main winding and the auxiliary winding, and controlled by detecting an input voltage, thereby al...  
WO/2011/047681A3
The invention provides an AC single phase induction motor with a main winding and an auxiliary winding. The motor comprises a switch arranged to short circuit a run capacitor. To provide variable run capacitance, the motor further compri...  
WO/2011/047682A3
The invention provides an electric motor with a PTC and a relay for controlling the function of the PTC. The relay comprises a first and a second switch connected in parallel between the connectors, and at least one of the switches is a ...  
WO/2011/064015A2
The invention relates to a starter supply network, comprising a first energy source (101) for the primary energy supply of a starter motor, wherein the first energy source (101) is coupled to a network terminal (105) of the starter suppl...  
WO/2011/064013A2
The invention relates to a circuit assembly (1) for an electric machine (2), in particular a starter motor for starting an internal combustion engine (15), in a motor vehicle, comprising a current limiter (3) for limiting an activation c...  
WO/2011/063851A1
The present invention relates to a softstarter (2) for starting and stopping an asynchronous motor (1) having three phases (L1, L2, L3), comprising two pairs (3A, 3C) of semiconductor devices of the type turning off at zero-crossing of t...  
WO/2011/060666A1
A soft-start module and a startup device for a motor controller using the same. The soft-start module includes a main operation circuit (1), a detecting circuit (2), a control unit (3) and a power supply portion (4). The power supply por...  
WO/2011/061866A1
Disclosed is an induction motor control apparatus provided with: a step-down circuit comprising first coils having taps that are connected to three phase coils of an induction motor, first switches connected between a power supply for dr...  
WO/2011/062361A2
Disclosed is an apparatus and method for controlling a single-phase induction motor, particularly, an apparatus and method for controlling a single-phase induction motor, capable of rendering the motor strong to variation of an input vol...  
WO/2011/057660A1
An apparatus for generating electromagnetic torque in an N-phase electric machine, N being a positive integer, comprises N lines, each of the N lines including an input terminal (A, B, C), an output terminal (a, b, c), and a pair of thyr...  
WO/2011/055218A1
The invention consists of a system for generating regulated and controllable AC electricity from renewable sources of energy that are intermittent in their power output. The whole configuration comprises a renewable energy source and an ...  
WO/2011/051598A2
A turbine engine starter/generator includes a main electrical machine (20), having a stator and a rotor (22) having a wound rotor inductor and shock-absorbing bars forming a housing, and an exciter (30), having a stator inductor and a ro...  
WO/2011/047681A2
The invention provides an AC single phase induction motor with a main winding and an auxiliary winding. The motor comprises a switch arranged to short circuit a run capacitor. To provide variable run capacitance, the motor further compri...  

Matches 301 - 350 out of 11,416