足球比分007

Power generation; transformation; manufacturing technology for power distribution devices
  • System, method and process for encapsulating photovoltaic roof tiles
    Inventors: b · e Azili, c · Almi, a · Mather, a · Meyer, b · Young, s · m · Weinger, and p · p · Nguye Background The above involves the manufacture of photovoltaic structures. More specifically, the present disclosure relates to the manufacture of photovoltaic roof tiles. Related technologies In residential and commercial solar installations, the roof of a building is usually installed with photovoltaic (PV) modules, also known as PV panels or solar panels, which can include two-dimensional ...
  • Motor control system, control method of motor control system, robot system and process
    The present invention relates to a motor control system, a control method of a motor control system, and a robot system. A positioning system capable of correcting a positioning error due to an angle transmission error of a speed reducer has been conventionally known (for example, refer to Patent Document 1). The positioning system is provided with an error correction unit that corrects a position command based on error correction data for correcting a positioning error of an output shaft of an actuator composed of a motor and a reducer, and drives the corrected position command to a drive ...
  • Motor control device, motor control method and process
    The present invention relates to a motor control device that controls driving operations such as speed and position of a motor and a mechanical load driven by the motor, and particularly relates to a motor control device having a function of suppressing mechanical resonance occurring during driving and the like. Conventionally, a motor control device capable of suppressing vibration due to mechanical resonance is known (for example, refer to Patent Document 1). Prior Art Literature Patent Literature Patent Literature 1: Japanese Patent Laid-Open 2004 ...
  • Motor control device and electric power steering device equipped with the same
    The invention relates to a motor control device and an electric power steering device equipped with the motor control device. The motor control device performs vector control on the driving of a three-phase brushless motor through a dq-axis rotation coordinate system, and performs an "inverter Dead time compensation ". The invention particularly relates to a motor control device and an electric power steering device equipped with the motor control device. The motor control device performs dq axis dead time compensation ...
  • Manufacturing method of discharge device
    The present invention relates to a discharge device of a smoothing capacitor connected to a secondary battery. For example, in electric vehicles such as electric vehicles (ev) and hybrid vehicles (hev), smoothing capacitors are used to smooth electric power for charging and to supply secondary batteries such as lithium ion batteries. After the supply of the charging power to the secondary battery is stopped, the residual charge of the smoothing capacitor is discharged using a discharge circuit. As a smoothing capacitor using a discharge circuit ...
  • Apparatus for minimizing peak power demand of an inverter in a power supply having one or more switched reactive loads
    CROSS REFERENCES TO RELATED PATENTS AND PATENT APPLICATIONS This application claims priority from US Provisional Patent Application No. 62 / 491,242 filed on April 27, 2017 in accordance with the Paris Convention, the entire disclosure of which is incorporated herein by reference. The present invention generally relates to an electronic ac-ac series voltage regulation topology that uses inverter power semiconductors to process the total peak power to the load. In particular, the invention relates to having one or more reactances being switched ...
  • Ignition device for GTAW welding equipment
    CROSS REFERENCE TO RELATED APPLICATIONS This application claims the benefit of U.S. Non-Provisional Application no. 15 / 630,737, filed on June 22, 2017, and claims priority to Provisional Application no. 62 / 510,885, filed on May 25, 2017 The contents of both applications are incorporated herein by reference in their entirety. This embodiment relates to gas shielded tungsten arc welding (gastungstenarcwelding, ...
  • Converter with selectable output voltage range
    The invention relates to an electrical converter. In particular, the present invention relates to a converter capable of generating an output voltage over a wide range of values, especially in the case of a lighting module for a motor vehicle that includes a plurality of light sources, such as light emitting diodes (LEDs). Is advantageous. It is becoming increasingly common to use semiconductor element-based light sources such as light emitting diodes (LEDs) to perform various lighting functions of motor vehicles. These functions can include, for example ...
  • Manufacturing method of switching power supply device
    The invention relates to a switching power supply device. In recent years, starting from the requirements for miniaturization, high performance, and high functionality of switching power supply devices, digital control methods have been widely used to replace the conventional analog control methods. In the digital control method, an a / d converter that samples the voltage value of the control object, a digital controller that calculates the operation amount based on the voltage value, a counter that increases / decreases in synchronization with the clock signal, and a count value of the comparison counter ...
  • Sensor circuit system, related chip and electronic device
    The present application relates to a power supply technology, and in particular, to a sensor circuit system and related chips and electronic devices. With the development and progress of technology, mobile electronic devices such as mobile phones, digital cameras, tablet computers, and notebook computers have become indispensable tools in people's lives. When these electronic devices are powered on, the voltage provided by the battery of the electronic device or the external power supply of the electronic device is converted into various system voltages for the electronic device ...
  • Method and process for operating electromechanical and Yarimov motors
    The invention relates generally to electrical engineering and power generation in the field of electrical machines for converting electrical energy into mechanical energy or vice versa, and can be used in the energy industry, industry, agriculture, forestry and public utilities, and other areas of human activity. The prior art (1) discloses an operating device of an electric motor and equipment nearly two centuries ago. It can be seen from (2)-(5) that the existing technology remains unchanged, has not undergone any changes, and still has ...
  • Manufacturing method of rotating electric machine
    The present invention relates to a rotary electric machine using a magnetic reduction mechanism. Patent Literature 1 and Non-Patent Literature 1 disclose a rotary electric machine mechanism using a magnetic transmission mechanism. This rotating electric machine mechanism coaxially arranges a first rotor having a permanent magnet, a second rotor having a magnetic pole piece, and a fixed portion having a winding from a radially inner side with a gap therebetween. The first rotor is driven by applying a three-phase current to the windings of the fixed part.
  • Manufacturing method of rotating electric machine
    The present invention relates to a rotary electric machine that detects an angle of rotation of a rotating shaft by using an angle detector formed by combining a magnetic generator and a magnetic sensor. When an angle detector is used to control a rotating electrical machine, the reference position of the output signal from the angle detector must match the magnetic pole position of the rotating electrical machine, for example, the 0-position of the u-phase. As such a position alignment method, a method of learning a magnetic pole position by software or adjusting an angle detector is generally adopted ...
  • Manufacturing method of rotating electric machine
    The present invention relates to a structure of a stator of a rotary electric machine. As losses of a motor and a generator of a rotating electrical machine, there are copper loss, iron loss, and eddy current loss generated in a magnet, that is, eddy current loss of a magnet. For example, in a general inner rotor type rotating electrical machine, a stator includes a stator core configured by laminating sheet cores, and a coil disposed on the stator core, and the sheet core is punched out of an electromagnetic steel plate. Iron loss in the stator core and copper in the coil ...
  • Manufacturing equipment for internal combustion engine
    The invention relates to a regulating device for an internal combustion engine, said regulating device comprising: a first housing part; a drive motor supported in the first housing part in the axial and radial directions; an intermediate housing element, The motor is electrically contacted by the intermediate housing element; and a second housing portion in which a space with an open side is configured. Such regulating devices are used to drive different devices in an internal combustion engine. One this device can ...
  • Permanent magnet rotating machine and compressor using the same
    The present invention relates to a permanent magnet rotary electric machine having a permanent magnet in a rotor, and a compressor using the permanent magnet rotary electric machine. Permanent magnet rotary motors are suitable for a variety of compressors, such as air conditioners, refrigerators, freezers or food display cabinets. Conventionally, in the permanent magnet rotating electric machine, the concentrated coil is used in the stator coil of the armature coil, and a high magnetic flux density permanent magnet such as a hafnium magnet is used in the magnetic field to achieve miniaturization and high efficiency ...
  • Manufacturing method of rotor with internal permanent magnet for electric machine
    The present invention relates to a rotor of a brushless synchronous rotating electric machine having an internal permanent magnet (ipm) structure. Motors with permanent magnets typically use rare earth elements such as praseodymium and neodymium, which have high energy density and excellent structural strength. However, due to the scarcity of these rare earth element mining sites and geopolitical choices that may artificially cause shortages of these materials, the prices of these raw materials have fluctuated sharply, especially tending to rise. Therefore, this magnet is shaped into a specific structure ...
  • Charging device and control method and process thereof
    The invention relates to a charging device and a control method thereof for transferring energy to an electric load of an inductively coupled household appliance. The electric load may be a secondary battery for a home appliance that is charged by transferring energy. Household appliances may be toothbrushes, razors or other devices that are particularly suitable for use in wet rooms. ep2262078a1 describes a device and method for inductive energy transfer. The circuit arrangement of the invention has ...
  • Method for wireless charging of electronic equipment
    Users use electronic devices such as laptops, tablets, and smartphones for various purposes. This electronic device is portable and includes a rechargeable battery for powering the electronic device. The rechargeable batteries of electronic devices can be wirelessly charged by electromagnetic induction. BRIEF DESCRIPTION OF THE DRAWINGS The following detailed description refers to the accompanying drawings, wherein: FIG. 1 illustrates an electronic device and a charging base for wireless charging according to an example of the subject matter ...
  • Manufacturing method of power supply device
    The present invention relates to a power supply device including a plurality of power storage devices connected in series. In electric vehicles, hybrid electric vehicles, home appliances, and the like, a power supply device including a modular structure in which a plurality of secondary batteries are connected in series is widely known. By connecting a plurality of secondary batteries in series, it is possible to increase the voltage of the module and increase the power for charging or discharging. However, when the module is charged and discharged, a uniform current flows, so the voltage of the unit constituting the module ...
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Technical classification