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WO/2014/089255A2 |
Embodiments of methods of controlling a motor for driving a load are disclosed herein. Exemplary methods include providing energy to a motor, sensing a parameter indicative of current. Determining the end of an inrush current and a start...
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WO/2014/075742A1 |
The invention relates to a switching device (1) with a control apparatus (2), a supply connection (7), a power supply (19) and a first flow path of current (15), wherein the supply connection (7) is connected to the power supply (19) and...
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WO/2014/075743A1 |
The invention relates to a switching device (1) with a control apparatus (2), a supply connection (7), a power supply (19) and a first flow path of current (15) which comprises a first electromechanical switch (11) and a parallel circuit...
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WO/2014/053704A1 |
Monitoring a brake (402) that comprises first (202,204) and second (206,204) braking surfaces and magnetizing means (210) that, in response to the electric current supplied to them, are arranged to generate a magnetic field that is arran...
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WO/2014/054031A2 |
A wind power turbine for producing and feeding electric energy to an electric power grid (9); the wind power turbine (1) having : a blade assembly (5); at least one electric machine (6) connected to the blade assembly (5) to generate ele...
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WO/2014/045728A1 |
In the present invention, so-called a no-excitation-activation type electromagnetic brake control device is equipped with: a first brake control circuit (201) that has a first arithmetic unit (121) for performing arithmetic processing in...
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WO/2014/037143A1 |
The invention relates to an operating state circuit for driving an inverter with half-bridges having respective switching devices, which inverter supplies an n-phase supply voltage to an n-phase electrical machine via phase connections a...
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WO/2014/032718A1 |
The invention relates to a switchgear (1) which comprises a control unit (2), a supply connection (7) and a first current path (15), the first current path (15) comprising a first electromechanical switch (11) and, connected in series to...
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WO/2013/192142A1 |
A power system with regeneration may include an electric power storage element, an electric motor in electrical communication with the electric power storage element, a rotatable shaft operably coupled to the electric motor for rotation ...
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WO/2013/186065A1 |
The invention relates to a method for estimating the value of a braking resistor (Rf) used in a power converter connected to an electric motor (M). The power converter comprises a braking cell (CelF) connected to the first power supply l...
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WO/2013/149780A2 |
The invention relates to a method for electrodynamic braking of a universal motor, comprising the following steps during a braking operation: permanent determination of a speed of the universal motor; temporary, periodic short-circuiting...
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WO/2013/149710A1 |
The invention relates to an electric damper (10) for damping the relative motion between a first and a second mass, comprising a generator (26) that can be driven by the mass motion. The invention is characterized in that, in addition to...
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WO/2013/147011A1 |
This invention addresses the problem of providing a conveyor device and a zone controller in which regenerative current can be effectively utilized and a stable actuation can be ensured. The interior of the zone controller (10) is divide...
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WO/2013/145486A1 |
When current flowing through all electrical terminals of an alternating-current electric motor (21) is near zero, an operation is performed to set the electrical terminals of the alternating-current electric motor (21) in an open state, ...
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WO/2013/144439A1 |
The invention relates to a method and apparatus for a pressing process, such as for use of a waste compactor or the like, wherein a pressing force needed in the pressing process is being produced by action of an electric press motor (1 )...
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WO/2013/137480A2 |
An electric tool for driving a tip tool, the electric tool includes: a removable battery; the brushless motor configured to generate a driving force for driving the tip tool; an inverter circuit configured to supply drive power from the ...
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WO/2013/124538A1 |
The invention relates to the monitoring of a brake (400, 500). The brake (400, 500) comprises first and second braking surfaces (204, 206) and magnetizing means (210) arranged to move the braking surfaces (204, 206) to an open state, in ...
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WO/2013/120727A1 |
The invention concerns a module for the regeneration of electrical energy, intended to be fitted to a speed variator, said module comprising: - two input terminals (d, e) each intended to be connected to a power supply line of the supply...
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WO/2013/122266A2 |
An electric working machine including: a motor; a driving unit configured to be driven by the motor; a trigger switch configured to allow rotation of the motor; a power supply unit configured to supply electric power to the motor; and a ...
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WO/2013/123201A1 |
In a motor control system (200), command to correspond to a target speed of a motor (110) is received. A rotational speed (SPD) of the motor is measured, and a brake-to-off ratio for a braking interval is calculated by a control logic (2...
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WO/2013/119367A1 |
A reconfigurable battery has at least one bank of statically joined series connected battery cells, each cell including a positive and a negative pole. The poles connect through switches to respective output connections. Activating a set...
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WO/2013/113051A2 |
A method for monitoring the short-circuiting switching device of a three-phase motor (3) for the drive for vehicles, which switching device is fed from a DC voltage source (1) via a controlled converter (2), wherein the short-circuiting ...
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WO/2013/095721A2 |
This disclosure is directed to a traction motor drive system (200). The traction motor drive system (200) may include a field winding subsystem (202) comprising a field winding (105) associated with a traction motor (103). The traction m...
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WO/2013/076161A2 |
An actuator comprising at least one multiphase motor (100) having phases (101) facing a rotor (102) secured to an outlet shaft associated with a braking member (2) and provided with means for connecting it to a movable element that is to...
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WO/2013/074358A1 |
A power converter includes an active front end (AFE) that is coupled by a dc link stage to a plurality of H-bridge inverters. One or more multi-phase electromagnetic energy conversion devices, such as transformers or electric machines, w...
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WO/2013/067479A1 |
Embodiments may disclose a safety system for controlling an operation of a machine operated by an operator wearing an article of luminescent clothing, the system including a luminescent sensor configured to emit ultraviolet light toward ...
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WO/2013/064928A1 |
A system and method for stopping a wind turbine in a battery charging circuit includes a step to terminate battery charging by opening a first switch between an electrical generator coupled to the wind turbine and the battery. A second s...
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WO/2013/060652A1 |
The invention relates to a device for controlling the connection/disconnection of the power supply of a windscreen wiper motor (WM) of a motor vehicle. This device comprises at least one quick disconnect switching circuit (1) inserted be...
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WO/2013/059915A1 |
A method of operating an electric motor having a motor assembly that includes a rotor and a stator. The method includes providing the electric motor in a neutral state, and from the neutral state, determining whether to operate the elect...
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WO/2013/049302A2 |
Braking current generated by an electrical motor on mining equipment during a retard interval is switched through one or more grid resistors that are liquid cooled. Under low ambient temperatures, a heating current can be switched throug...
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WO/2013/034253A1 |
The invention relates to a drive assembly for the motorized adjustment of an adjusting element (1) of a motor vehicle, wherein at least one drive (2) having an electrical drive motor (3), in particular a direct current motor, and a drive...
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WO/2013/025753A2 |
A system for operating a compressor. The system includes a motor, an inverter bridge, a voltage detection circuit, and a controller. The motor has a stator and a rotor. The inverter bridge is configured to provide a voltage to the stator...
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WO/2013/020544A1 |
The invention relates to a method for operating an electric motor in a generator mode, said electric motor being connected to at least three phases of a power supply network. An energy that is to be fed back into the power supply network...
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WO/2013/015791A1 |
An electric motor system having a power supply, an electric motor connected to the power supply, an object driven by the motor having a range of motion and a substantially neutral position within the range of motion, a power sensor confi...
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WO/2013/005388A1 |
This motor control device computes a correction value with a deviation correction unit when a move command generation unit has detected an emergency stop executed by an emergency stop command unit and transmission of a move command from ...
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WO/2012/171330A1 |
A food processing apparatus having a rapid braking device, comprising a food container (5) having a top lid (1) that can be opened, the food container (5) being disposed with a motor (6) inside and a cutter head (4) disposed on the motor...
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WO/2012/165042A1 |
The present invention enables an actuator drive motor at which an anomaly such as failure has occurred to be halted/arrested in a shorter period of time without adopting a mechanical brake mechanism. The present invention is an electric ...
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WO/2012/164637A1 |
Provided is a brake apparatus for a generator, wherein brake operation can be executed with reliability even with an extremely simple structure, standby power is unnecessary during normal operation, and mounting and maintenance thereof c...
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WO/2012/156252A2 |
The invention relates to a device for managing electric braking power (1), which device comprises a continuous bus (10), said continuous bus including: a connection pole (12) connecting to an electric traction machine (21) of a vehicle, ...
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WO/2012/156251A2 |
The invention relates to a device for managing electric braking power (1), which device comprises a continuous bus (10), said continuous bus including: a connection pole (12) connecting to an electric traction machine (21) of a vehicle, ...
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WO/2012/134471A1 |
A power tool includes a housing, an electric motor mounted in the housing, and a switching device for reversing rotation direction of the motor. The switching device includes an actuator slidably secured to the housing and movable betwee...
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WO/2012/128102A1 |
The invention is related to a means for controlling the driving of a motor (6) including a motor used in, for example, an electric vehicle and using a battery as a power supply, and is applied to a motor driving device (20) equipped with...
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WO/2012/112430A2 |
A centrifuge includes a regenerative braking safety system including an electrical system reversibly coupled to a power source. A motor is coupled to the electrical system. The motor is capable of driving a rotor using power delivered th...
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WO/2012/080813A1 |
The present invention relates to an optimized braking method of a single-phase electric motor, as well as to a single-phase electric motor implementing such method. The method for braking a single-phase electric motor (10) comprising a r...
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WO/2012/078369A2 |
A Complex Adaptive Phase Discriminator (PD), as presented in some concepts of the present disclosure, is an adaptive filter that accurately estimates the instantaneous frequency of a dynamic complex signal. The PD can demonstrate accurat...
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WO/2012/069755A1 |
The invention is aimed at doing away with the drawbacks posed by the customary solutions for dissipating low energy of resistors, conventionally ceramics. They require in particular a significant volume of ceramic and an additional power...
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WO/2012/065637A1 |
The invention relates to a switching device (18) and to a method for terminating a braking process of a three-phase AC motor (1). In order to reduce the waiting time between the end of a braking process of an AC motor and possible restar...
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WO/2012/052600A1 |
The invention relates to a braking apparatus for braking the rotating part (1) of a hoisting machine. The braking apparatus comprises one or more brakes (3, 4), which contain altogether at least one movable brake shoe (5, 6), spring elem...
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WO/2012/049357A1 |
The invention relates to a method in connection with a quick stop situation of an elevator, and also to a safety device (10) for implementing the method. In the method an activation process of a machinery brake (1) is started and also a ...
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WO/2012/047754A1 |
A kinetic energy recovery system ("KERS system") and motorcycle equipped with the same is disclosed. The KERS system may be mechanical, hydraulic, or a combination thereof. In an embodiment, motorcycle includes a rear wheel, an electric ...
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