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Patent # Description
US-9,735,727 Controller of an electric motor
A controller for an electric motor includes a protective circuit for limiting current or for polarity reversal protection, the protective circuit including a...
US-9,735,726 Independent pathways for detecting fault condition in electric motor
An electric motor system having substantially independent hardware-based and software-based pathways for detecting and initiating responses to fault conditions,...
US-9,735,725 Methods and systems for transient voltage protection
Protection of an electric motor drive controller from a transient voltage is described herein. The transient voltage is provided by an alternating current (AC)...
US-9,735,724 Electrical drive system and energy storage apparatus therefor
A drive system may have at least one electric motor which can be fed via power electronics which can be connected via a DC circuit to a voltage source and an...
US-9,735,723 Method to control a switched reluctance motor
A method to control the rotor position in a reluctance motor includes: energizing a phase winding to an energized state so as to move a rotor relative to a...
US-9,735,722 Methods of controlling a machine using a torque command limit derived from a current limit and systems thereof
At least one example embodiment discloses a method of controlling an alternating current (ac) machine. The method includes determining or retrieving a current...
US-9,735,721 Rotary drive system, method for controlling an inverter and associated computer program
A rotary drive system having a voltage source and an electric motor. The motor has a stator with independent phases and a rotor, an inverter designed to connect...
US-9,735,720 Electric motor torque control
A vehicle includes one or more inverter-fed electric machines such as permanent magnet synchronous motors. In response to a torque request, a controller issues...
US-9,735,719 Static exciter system for generators
The present invention relates to the field of generator technology. It is an object of the invention to control the stability in an electric grid in which a...
US-9,735,718 Alternator control with temperature-dependent safety feature
A method for controlling an alternator includes determining a temperature-dependent value associated with a battery coupled to an alternator and determining an...
US-9,735,717 Brushless motor and wiper apparatus
A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching...
US-9,735,716 Multi-phase machine current control
A controller for controlling a multi-phase motor is described. The controller may be configured to drive a first virtual multi-phase motor in an active mode and...
US-9,735,715 Methods and systems for inductive energy management
A controller configured to be coupled to an electric motor. The controller including a processor programmed to receive a signal indicating a stopping command of...
US-9,735,714 Motor controller, sheet conveying device, and image forming apparatus
A motor controller (58) according to the present invention includes a pulse width detection portion (595), a speed control portion (591), a pulse width storage...
US-9,735,713 Automatic cleaning method for a pump system comprising a softstarter arrangement
A method for controlling circuitry of a softstarter arrangement to operate an electric motor for driving a pump is provided, wherein the softstarter circuitry...
US-9,735,712 Roadway renewable energy generation system and method
A roadway renewable energy generation system and method, that includes a plurality of plunger devices, electrically connected in series, and each plunger device...
US-9,735,711 Flexure-enhancing system for improved power generation in a wind-powered piezoelectric system
Improving wind-based piezoelectric power conversion is provided. For example, a piezoelectric element affixed to a vibratory member is provided. A rigid...
US-9,735,710 Power generator having a multiple-degree-of-freedom vibration system and a power generating element attached to...
A power generator including: a vibration system configured to be attached to a vibrating member; and a power generating element attached to the vibration...
US-9,735,709 Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit
A power generation unit includes a deforming member (a beam) adapted to deform while switching a deformation direction, a first piezoelectric device provided to...
US-9,735,708 Piezoelectric power generation
Technologies are generally described for generating electrical power from piezoelectric power. Example devices/systems described herein may use one or more of a...
US-9,735,707 Thermal energy harvesting optimisation with bistable elements and collaborative behavior
System for converting thermal energy into electrical energy (S1) intended to be arranged between a hot source (SC) and a cold source (SF), comprising means for...
US-9,735,706 Method and system for harvesting energy using an EAP based deformable body
Method for harvesting energy using an EAP based deformable body. The EAP based deformable body is an elastically deformable body including an arrangement of...
US-9,735,705 Power conversion device
In a power conversion device, a constant voltage can be supplied even when the voltage of an alternating current power supply fluctuates. A switching element Q1...
US-9,735,703 Smart load center for distribution of power from two sources
An improved solar energy utilization system is described based on the use of a smart load center which can automatically select the use of utility power or...
US-9,735,702 Operating method of full-bridge modular multilevel converter boosting AC voltages for high voltage direct...
Provided is an operating method of a full-bridge sub-module (FBSM)-based modular multilevel converter for HVDC transmission with AC-side voltage boosting. The...
US-9,735,701 Circuit and method for measuring available power in a wireless power system
A resonant wireless power receiver that includes an electromagnetic resonator having one or more inductive elements that are arranged to form a receiver coil...
US-9,735,700 Power conversion apparatus
A power conversion apparatus includes a capacitor and a heat dissipation member for cooling the capacitor. The capacitor and the heat dissipation member are...
US-9,735,699 Integral inverter and solar cell module including the same
Discussed is an integral inverter usable with a solar cell module including a solar cell panel. The integral inverter includes a terminal connected to the solar...
US-9,735,698 Method of controlling power conversion apparatus
A voltage of a reactor taking a potential on a side of a capacitor as a reference is detected. A correction coefficient which is made smaller as a first voltage...
US-9,735,697 Control method for direct power converter
A converter performs full-wave rectification on a single-phase voltage, thus outputting a rectified voltage across DC power supply lines. An inverter receives...
US-9,735,696 Filter capacitor degradation and calibration
Methods and power conversion systems in which a capacitor degradation detection system includes an adjustable gain amplifier circuit is calibrated by automatic...
US-9,735,695 Method and apparatus for wireless transmission of line frequency, line voltage alternating current
A wireless power transmission circuit for wirelessly transmitting line frequency sinusoidal AC power to a load where the line frequency ripple filter of...
US-9,735,694 Integrated circuit and switching power-supply device with charging control circuit
A switching power-supply device has a smoothing capacitor connected between a ground-side output terminal connected to one end of a secondary winding of a...
US-9,735,693 Power conversion apparatus with power saving and high conversion efficiency mechanisms
A power conversion apparatus is provided. The power conversion apparatus includes a transformer, a synchronous rectification (SR) transistor and an SR control...
US-9,735,692 Adapter with low standby loss and electronic system with low standby loss
An adapter includes a rectifying unit, a power factor correction unit, a standby circuit, a load-connecting detection circuit, a first power conversion circuit,...
US-9,735,691 Power supply device
A power supply device includes: a switching element that performs synchronous rectification on a power to be induced in a first secondary wiring of a...
US-9,735,690 Line frequency ripple reduction in a resonant converter
Systems and methods for reducing the line frequency ripple in a resonant converter are described. In some embodiments, a power supply includes a switching...
US-9,735,689 Switching converter and control circuit thereof, current sensing method, AC/DC converter, and power adaptor and...
A control circuit is used in a switching converter including at least, a switching transistor and a coil connected to the switching transistor. The control...
US-9,735,688 Isolated power control device, power conversion device and isolated power control method used in power...
An isolated power control device that includes an auxiliary isolated power circuit and a voltage level identification unit is provided. The auxiliary isolated...
US-9,735,687 Regulating power converter by sensing transformer discharge timing
A regulating power converter has a transformer, a charging circuit and a discharging circuit connected with each other. The charging circuit charges said...
US-9,735,686 Device for avoiding hard switching in resonant converter and related method
A control device controls a switching circuit for a converter. The switching circuit comprises a half-bridge having a high-side transistor and a low-side...
US-9,735,685 Interleaved LLC current equalizing converter
The present invention discloses an interleaved LLC convertor with current sharing. The interleaved LLC convertor with current sharing comprises: an interleaved...
US-9,735,684 Controllers, power supplies and control methods
Power supplies together with related over voltage protection methods and apparatuses. A power supply has a transformer including a primary winding and an...
US-9,735,683 DC/DC converter which ensures damping of voltage overshoots of a semiconductor switch
A DC/DC converter has an active energy store, such as an inductance, which can be periodically charged and discharged by one or more semiconductor switches,...
US-9,735,682 Step-down circuit
A step-down circuit includes a first transistor of N-type having a channel between an input terminal and a first node, and a gate to which a reference voltage...
US-9,735,681 Voltage converter
A voltage converter is provided. The voltage converter includes a compensation circuit, a first comparator circuit, a first inductor, a first driver circuit,...
US-9,735,680 Constant on-time pulse width control-based scheme including capabilities of fast transient response and...
A constant on-time pulse width control-based apparatus capable of detecting a transient event of a voltage converter includes a specific comparator, a logic...
US-9,735,679 Method and apparatus for a delay locked power supply regulator
A voltage regulator includes a delay chain having a plurality of delay elements, a thermometer to binary encoder coupled to multiple nodes in the delay chain to...
US-9,735,678 Voltage converters with asymmetric gate voltages
A highly efficient voltage conversion circuit device with both asymmetric and symmetric gate voltages is disclosed, to obtain high efficiency for low or medium...
US-9,735,677 DC-DC converter having digital control and reference PWM generators
A DC-DC converter operating in pulse frequency modulation (PFM) and pulse width modulation (PWM) modes includes a plurality of PWM signal generators. The PWM...
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