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WO/2017/202327A1 |
A star-delta switching starter for a three-phase alternating-current motor comprises three three-pole air circuit breakers, including a main switch circuit breaker (1), a star circuit breaker (2), and a delta circuit breaker (3). The mai...
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WO/2017/202530A1 |
The invention relates to a method for improving a starting process of an internal combustion engine (300) by means of a belt-driven starter generator (100), which has a stator winding (11) and a rotor winding (12), wherein the starter ge...
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WO/2017/186906A1 |
The invention relates to an apparatus (4) for operating an electrical load (2), in particular an electric motor (3), having a supply connection (Ubat) which is connected/can be connected to an electrical energy source, having a load conn...
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WO/2017/187128A2 |
A method for controlling an electric motor having a rotor, the method being carried out after a shut down of the motor has been initiated, the method comprising: starting a timer in a motor controller; performing regenerative braking to ...
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WO/2017/180132A1 |
Systems, apparatuses, and methods are disclosed herein for controlling winding configurations of an electric machine. The apparatus includes an operation condition circuit structured to receive data indicative of an operating condition o...
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WO/2017/178067A1 |
A compressor unit (2) for use in a refrigeration circuit, comprises at least two compressors (8, 10); and a common variable frequency drive (6), configured to be connected to a three phase grid voltage supply (4); each compressor (8, 10)...
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WO/2017/178760A1 |
The invention mainly relates to a combustion engine starter for a motor vehicle, comprising: - an electric motor (DCM) comprising wound poles and/or permanent magnets and a separate assembly of windings (Wm), - a device for increasing th...
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WO/2017/180256A1 |
The method is for making an electric motor more efficient by iteratively changing when a processor sends activation signals to transistors (Q1, Q2) to minimize a current required to rotate a rotor (16) at a constant rotational speed. The...
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WO/2017/174957A2 |
Methods and control apparatus for operating a three-phase electric motor are described, in which the motor windings are switched between Star and Delta connections depending on torque requirements, and in which the motor windings are swi...
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WO/2017/161614A1 |
A multiphase alternating current electric motor structure and a driving circuit thereof. The electric motor structure comprises a stator iron core and a stator coil unit wound thereon, wherein the stator coil unit is composed of two or m...
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WO/2017/153098A1 |
The invention relates to a motor starter (10) for an electric motor (20), wherein the motor starter (10) comprises a first and a second phase (12, 14). Said motor starter and electric motor each have an associated switching apparatus (29...
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WO/2017/118723A1 |
The invention relates to a vacuum pump drive (12) comprising at least one electric motor (18) which is connected to the rotor (14) of a vacuum pump (13) via a drive shaft (16), a frequency converter (20) which is electrically connected t...
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WO/2017/111480A1 |
The present invention provides a driving device of a starter motor. The driving device of the starter motor of the present invention comprises: a solenoid switch for switching a first contact point mediating between a battery and the sta...
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WO/2017/108301A1 |
The invention relates to a PM line-start motor and to a switch-on method therefor, preferably for motors having a power of at least 5 kW. The motors comprise a rotor and a stator having a stator winding, wherein the stator winding is des...
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WO/2017/103140A2 |
A system for controlling an AC motor is provided. The system comprises an electrical connection path for connecting an electrical input of the AC motor to a first phase of alternating current from an electric power supply. The system als...
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WO/2017/106216A2 |
A system may include a prime mover configured to provide mechanical energy to the system by spinning a shaft. The system further includes a synchronous AC generator mechanically coupled to the shaft, and an exciter mechanically coupled t...
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WO/2017/089461A1 |
The invention relates to a device (1) for operating an electric motor (EM) having an identifying unit (2) for identifying zero crossings and phase angles of applied phase-shifted sinusoidal voltage phases (L) of a polyphase voltage suppl...
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WO/2017/089094A1 |
The invention describes a method for pulse-width modulated (PWM) current control of a load current (IL) of an inductive load (L) by means of at least one switch element (T1) for switching the load current (IL), wherein a first operating ...
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WO/2017/074508A1 |
A system includes a variable frequency drive (VFD) comprising an inverter having an output configured to be coupled to a motor and a switch configured to couple a power source to the motor to bypass the VFD. The system further includes a...
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WO/2017/068274A1 |
The invention relates to a generator starter (30) of a turbomachine, comprising an asynchronous electric machine (11) configured so as to operate in motor mode during a starting phase of the turbomachine while being supplied by an electr...
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WO/2017/066307A1 |
Solar Motor Controller is an electronic device with DC power input terminals that may connect directly to solar PV panels, and output terminals that may connect directly to single or multiphase phase AC electric motors without requiring ...
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WO/2017/055188A1 |
The synchronous machine module comprises a synchronous machine and a rotational speed control device for controlling a rotational speed of the synchronous machine, which rotational speed control device has detection means for detecting a...
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WO/2017/048279A1 |
Various embodiments include determining an alternating current (AC) voltage and frequency of a supply voltage coupled to a circuit input. The circuit includes a soft starter circuit that is coupled between the circuit input and a first s...
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WO/2017/044537A1 |
Systems and methods for estimating an inertia, a Coulomb friction coefficient, and a viscous friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia and friction estimation system can ...
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WO/2017/031663A1 |
A centrifugal switch and a brushless liquid-resistance electric motor starter with same. The centrifugal switch comprises a stationary electrode (7, 7') fixedly arranged on a liquid storage box shell (1) of an electric motor starter and ...
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WO/2017/023249A1 |
A magnetization state control method for a variable magnetization machine, the method includes generating a flux linkage vector while changing a magnetization state of the variable magnetization machine such that a trajectory of the flux...
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WO/2017/020177A1 |
A motor control circuit (30) comprises a plurality of power units (31-36). Each of the power units comprises a first power element (Q1) and a second power element (Q2) connected in series with the first power element (Q1), and the connec...
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WO/2016/207617A1 |
A control unit for use in controlling a switched reluctance motor (SRM) for clockwise rotation in a clockwise-rotating electric supercharger and anti-clockwise rotation in an anti- clockwise-rotating electric supercharger. Each SRM has a...
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WO/2016/198981A1 |
An electric drive unit for driving devices connectable therewith comprises at least one- permanent magnets assisted reluctance motor (2) and switching elements (11) operatively associated to the at least one reluctance synchronous motor ...
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WO/2016/198474A1 |
A starter system for start up of a combined heat and power unit comprising a generator which is connectable to the grid. The starter system comprises a variable frequency drive, VFD, operable to receive power from the grid. The VFD reduc...
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WO/2016/192837A1 |
The invention relates to a compressor (400') for generating compressed air, in particular for a compressed air supply system (1000) of a vehicle, comprising the following: - an electric motor (500) in the form of a brushed DC electric mo...
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WO/2016/188007A1 |
A motor starting control method for a cooling fan of a railway locomotive. A target value of an output frequency of an inverter is set as a relatively low value F1, the output frequency of the inverter is controlled according to a relati...
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WO/2016/184601A1 |
The invention relates to a circuit arrangement for controlling an electric machine, in particular an electric motor and/or a generator. The circuit arrangement has at least one power module and a processing unit. The power module has at ...
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WO/2016/184651A1 |
The invention relates to a variable speed drive system. The variable speed drive system has a drive machine (3) and a drive machine (1) which is mechanically coupled or can be coupled to the drive machine (3) by means of a transmission u...
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WO/2016/182644A1 |
A compressor for commercial refrigerators comprises an electric motor having a start winding (120) and a run winding (130), in which the input terminals of the start winding (120) and the run winding (130) are connected together and to t...
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WO/2016/177547A1 |
The invention relates to a domestic appliance (100) having an electric drive, a voltage supply (109) for supplying the actuator (112) to which an electric drive is connected downstream and which has an electric supply voltage, and a cont...
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WO/2016/151160A1 |
The invention relates to a generator of electrical current by movement and induction by means of permanent magnets and resonant coils according to an envelope housing a circular solid element in the form of a rotor in which a variable ma...
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WO/2016/145851A1 |
Disclosed is an electronic type starter, comprising a housing (1), a first pin (2), a second pin (3), a first reed (4), a second reed (5), a first thermistor (6), a second thermistor (7) and a bidirectional thyristor (8); and further com...
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WO/2016/143481A1 |
A synchronization control unit 3 operates a power converter INV by means of V/f control, with a first on/off switch S1 being "off" and a second on/off switch S2 being "on". A utility synchronization current control unit 4 operates the po...
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WO/2016/134908A1 |
The invention relates to a domestic refrigeration device (1) and to a method for operating a domestic refrigeration device (1). The domestic refrigeration device (1) comprises a heat-insulated body (10) with a coolable inner container (2...
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WO/2016/134872A1 |
The invention relates to a method for operating an asynchronous machine comprising the steps: determining an operating point trajectory for the asynchronous machine for a plurality of desired torques of the asynchronous machine by calcul...
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WO/2016/119392A1 |
A no-power-consumption starter used for commercial refrigeration compressor motor, comprising: a current instrument transformer (L1), a bidirectional thyristor (T), an inductor (L2), a positive temperature coefficient (PTC) element, and ...
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WO/2016/119391A1 |
A starter without power consumption of a motor of a commercial refrigeration compressor, comprising a current transformer (L1), an inductor (L2), a two-way thyristor (T), a PTC element and a starting capacitor (C1). An end (1) of a prima...
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WO/2016/119393A1 |
A non-power-consuming starter for a commercial refrigeration compressor motor, comprising: a current transformer (L1), bidirectional controlled silicon (T), an inductor (L2), a PTC element and a starting capacitor (C1). One end (1) of a ...
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WO/2016/119390A1 |
A non-power consuming commercial refrigeration compressor motor starter, comprising: a current transformer (L1), a bidirectional thyristor (T), an inductor (L2), a starting capacitor (C1), and a positive temperature coefficient (PTC) ele...
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WO/2016/102935A1 |
An assembly comprising: an electric motor (3) such as a switched reluctance motor; an electrical power source (8) for energising the stator coils (9) of the motor; and a control module (1) for controlling the motor. The control module (1...
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WO/2016/104324A1 |
The purpose of the present invention is to supply current to a motor in a full-energization state after the start of automatic brake control while minimizing an increase in starting current to the motor in the initial stage at the start ...
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WO/2016/102385A1 |
The present invention relates to a method for determining a stator current vector (Umax) for starting a synchronous machine (111) of a drive (110) of a passenger transportation apparatus (100) having a rotor (122) and having a stator (12...
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WO/2016/102380A1 |
The invention relates to a mining vehicle and to a method for energy supply of a mining vehicle. The mining vehicle comprises at least one mining work device, at least one three phase AC electric motor for powering the at least mining wo...
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WO/2016/092534A1 |
A soft starter device generates an output voltage of variable amplitude, frequency and phase. An output switch connects the soft starter device to a motor. A bypass switch connects the motor to a line voltage. A controller is configured ...
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