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Patent # Description
US-9,831,831 Integrated oscillator circuitry
Various implementations described herein are directed to an integrated circuit. The integrated circuit may include a comparator stage, a resistor, a capacitor,...
US-9,831,830 Bipolar junction transistor based switched capacitors
A switched capacitor is provided. The switched capacitor includes a pair of parallel component stacks. Each stack is connected to a common top node and a common...
US-9,831,829 System and method for testing photosensitive device degradation
The performance of photosensitive devices over time may be tested by configuring a photosensitive device test system that includes a light source plate that...
US-9,831,828 Solar cell testing apparatus and solar cell testing method
A solar cell testing apparatus is provided that tests bypass diodes in a solar cell string constructed by connecting a plurality of solar cell modules, which...
US-9,831,827 Photovoltaic inspection system and photovoltaic inspection method
A photovoltaic inspection system is provided, the photovoltaic inspection system detecting a failure by eliminating ON/OFF operation of a switch or others at...
US-9,831,826 Display substrate and display device
The present invention provides a display substrate and a display device, belonging to the field of display technology. In view of the problem that the...
US-9,831,825 Solar photovoltaic system protecting apparatus and solar photovoltaic system protecting method
In order to provide a simple and reliable configuration capable of detecting whether an arc is a serial arc or a parallel arc and extinguishing these arcs, a...
US-9,831,824 Current sensing on a MOSFET
A device having a switch with a voltage applied across the switch. A current sensing circuit is connected to one terminal of the switch. The current sensing...
US-9,831,823 Obstacle crossing mechanism and photovoltaic panel cleaning equipment having same
An obstacle crossing mechanism, adapted and arranged on a cleaning rack of a photovoltaic panel cleaning equipment configured to clean photovoltaic panel arrays...
US-9,831,822 Telescopic mechanism and photovoltaic panel cleaning equipment having same
A telescopic mechanism arranged on a cleaning rack of a photovoltaic panel cleaning equipment configured for cleaning photovoltaic panels is disclosed. The...
US-9,831,821 Correction mechanism and photovoltaic panel cleaning equipment having same
A correction mechanism, mounted on a cleaning rack of a photovoltaic panel cleaning equipment, for cleaning photovoltaic panels is disclosed. Cleaning rack...
US-9,831,820 Moving mechanism and photovoltaic panel cleaning equipment having same
A moving mechanism adapted for use on a photovoltaic panel cleaning equipment for moving while cleaning one or more photovoltaic panels is disclosed, which...
US-9,831,819 Solar tracking panel mount
A rotating, pivoting mount for mounting a panel is disclosed. The mount can include a mounting block, a driveshaft, and a base. A socket in the mounting block...
US-9,831,818 Pivot-fit frame, system and method for photovoltaic modules
A system and apparatus are disclosed including PV modules having a frame allowing quick and easy assembling of the PV modules into a PV array in a sturdy and...
US-9,831,817 Solar panel mounting base and system for solar panel installation
A solar panel mounting base and system for solar panel installation uses a mounting base that is injection molded to include different connection locations...
US-9,831,816 Semiconductor power module and drive system for electric motor
Erroneous mounting of a semiconductor power module can be more easily detected. A semiconductor power module (9) according to the present invention includes: a...
US-9,831,815 Drive control device using PWM control of synchronous rectification type
A drive control device includes: a driver including a circuit and configured to drive a motor; and a controller configured to control the driver. The controller...
US-9,831,814 Electric motor drive control device, electrically driven power steering device, electrically driven brake...
An electric motor drive control device includes: an inverter circuit that converts DC power inputted via a DC bus to multiphase AC power and outputs the...
US-9,831,813 Motor driving apparatus
A motor driving apparatus includes a boosting section, a drive voltage output section, a detecting section, a storage section and a determining section. The...
US-9,831,812 Direct torque control of AC electric machines
This disclosure features an apparatus including a motor controller to generate control signals to control an electric motor. The motor controller includes a...
US-9,831,811 Method and apparatus for controlling a turbogenerator system
An apparatus for controlling a turbogenerator system when a power electronics circuit of the turbogenerator system is unable to provide a sufficient load on the...
US-9,831,809 Rotor position sensing system for three phase motors and related methods
A system and method for sensing rotor position of a three-phase permanent magnet synchronous motor (PMSM) includes a controller coupled with the PMSM and...
US-9,831,808 Rotor position sensing system for three phase motors and related methods
A system and method for sensing rotor position of a three-phase permanent magnet synchronous motor (PMSM) includes a controller coupled with the PMSM and...
US-9,831,807 Motor control apparatus and power steering system
A motor control apparatus includes an inverter, a driver, a negative voltage circuit, a voltage dividing circuit, and a detection unit. The inverter includes an...
US-9,831,806 Inverter apparatus
An inverter apparatus includes: an inverter including three high-voltage side switching elements and three low-voltage side switching elements respectively...
US-9,831,805 Method for acquiring constant torque of electronically commutated motors
A method for acquiring a constant torque of an ECM, the method including: A) acquiring a target torque value T0 input from external; B) when the motor is in a...
US-9,831,804 Membrane-based NANO-electromechanical systems device and methods to make and use same
Nano-electromechanical systems (NEMS) devices that utilize thin electrically conductive membranes, which can be, for example, graphene membranes. The...
US-9,831,803 Membrane-based nano-electromechanical systems device and methods to make and use same
Nano-electromechanical systems (NEMS) devices that utilize thin electrically conductive membranes, which can be, for example, graphene membranes. The...
US-9,831,802 Driving apparatus for driving a multi-phase load, a controller thereof and a control method thereof
A driving apparatus includes an inverter and a controller. The inverter converts, based on pulse width modulation (PWM) signals, an input voltage into output...
US-9,831,801 Three-phase inverter system including control circuit to detect failure in an output current sensor
A three-phase inverter system, in one configuration, includes an inverter main circuit and a control circuit. The inverter system includes current sensors which...
US-9,831,800 Self-balanced modulation and magnetic rebalancing method for parallel multilevel inverters
A self-balanced modulation method and a closed-loop magnetic flux rebalancing control method for parallel multilevel inverters. The combination of the two...
US-9,831,799 Power converter device having coolant flow paths
A power converter device includes first through third semiconductor modules provided for phases of a three-phase inverter circuit, and incorporating upper and...
US-9,831,798 Power conversion apparatus, power generation system, and control method
A power conversion apparatus includes power conversion circuitry that converts first power supplied from a power source into AC power corresponding to second...
US-9,831,797 Copy system for copying parameter of inverter
The present invention relates to a copy system for copying parameter of inverter configured to improve portability and convenience by copying parameter of...
US-9,831,796 Energy harvesting device using SSHI techniques
An energy harvesting device harvests energy from an energy source, and includes an inductor and a control switch coupled in series, and a control module. The...
US-9,831,795 Synchronous rectifier
Various embodiments may relate to a synchronous rectifier including at least one rectifier cell, to which power is supplied via a secondary winding of a...
US-9,831,794 Power conditioning unit with voltage converters
A power conditioning unit for delivering power from a power source to a mains utility supply, the power conditioning unit comprising a plurality of input...
US-9,831,793 Control apparatus for a power converter
A control apparatus configured to control a chain link voltage source converter, the control apparatus comprising; two converter controllers, each converter...
US-9,831,792 Buck-boost power conversion circuit
A buck-boost power conversion circuit comprises a first active switch, a second active switch, an inductor, a center-tapped current transformation element, and...
US-9,831,791 Quasi-resonant magnetron power supply
A power supply comprises at least one input to couple the power supply to a power source. The power supply also comprises at least one switched-mode power...
US-9,831,790 DC-to-DC converter
A DC-to-DC converter includes a voltage converter having: a capacitance; at least one inductor configured to store energy and exchange stored energy with the...
US-9,831,789 Switched mode drive circuit
A switched mode drive circuit 10 comprises a first switch 14 having a first terminal 14.1 and a second terminal 14.2, a second switch 16 having a first terminal...
US-9,831,788 Electronic card comprising magnetic elements
An electronic board, in particular for a power electronics circuit such as a converter, comprises: a planar substrate having a first side and a second side...
US-9,831,787 Resonant power converter with switchable reflected output voltage
Disclosed is a power converter including a generator configured to generate a sequence of output voltage waveforms, a resonant tank connected to the generator...
US-9,831,786 Switching power-supply device
A switching power-supply device includes an input power detecting part that finds a DC input power from a detected DC input voltage and a detected DC input...
US-9,831,785 Step-up/down direct current converter
A step-up/down DC converter applied to achieve a characteristic of zero-ripple voltage, which ripple voltage is near zero, is disclosed. The converter includes...
US-9,831,784 Electronic resonant and insulated half-bridge zeta converter
An electronic half-bridge ZETA converter may include a transformer, wherein a half-bridge is connected to the primary winding of transformer, and wherein a...
US-9,831,783 Power converter using near-load output capacitance, direct inductor contact, and/or remote current sense
An apparatus includes a first circuit board including first components including a load, and a second circuit board including second components including...
US-9,831,782 Switched mode power supply with secondary-side power regulation
It is possible to achieve more precise power regulation in switched mode power supply systems by performing at least some control-loop processing on the...
US-9,831,781 Fast transient power supply with a separated high frequency and low frequency path signals
A power interface device includes a main switching converter, an auxiliary switching converter, and a feedback sense circuit. The main switching converter is...
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