22results about "Variable inductances/transformers" patented technology

Systems and methods for computer-assisted design of an inductor are described. Target specifications for an inductor are received. An inductor design is generated segment-by-segment using a reinforcement learning agent to generate segment parameters for each added segment. The reinforcement learning agent implements a policy that is learned using a reward computed based on performance of the generated inductor design relative to the target specifications. The generated inductor design is outputted as a candidate inductor design after determining that the generated inductor design satisfies a predefined performance threshold.

The utility model discloses a patch type variable inductor, and relates to the technical field of variable inductors. The inductor comprises a base, a magnetic core is fixedly matched with one side of the base, and pins are wound around the periphery of the magnetic core in a matched mode. The winding part is fixedly matched with one side of the base, a T-shaped plate and two T-shaped blocks are elastically and slidably matched with one side of the winding part, an L-shaped plate is fixedly matched with the upper side of the T-shaped plate, and a rotating plate is rotatably matched between one side of the L-shaped plate and one side of each T-shaped block. According to the utility model, through the arrangement of the T-shaped plate, the rotating plate drives one side of the T-shaped plate to slide towards the direction of the base under the action of the T-shaped block, and the pin is positioned on the peripheral side of the winding part through the T-shaped plate, so that the effect of clamping and fixing the pin is achieved, and the problem that the pin falls off from the winding part is reduced.

Embodiments disclosed herein include an inductor. In an embodiment, the inductor comprises a first core and a second core. In an embodiment, a third core is between the first core and the second core. A first gap is provided between the first core and the third core and a second gap is provided between the second core and the third core. In an embodiment, the third core comprises, a first portion with a first width, a second portion with a second width, and a third portion with a third width between the first portion and the second portion. In an embodiment, the third width is smaller than both of the first width and the second width.

The invention relates to a system (100) for supplying electric power to an electric motor (82) of a hybrid electric vehicle, the power supply system (100) comprising a hydrogen fuel cell unit (26), a hydrogen tank (160) capable of supplying the hydrogen fuel cell unit (26), and a voltage booster (740) at an output of the hydrogen fuel cell unit (26), the voltage booster (740) comprising an induction coil (741), the hydrogen tank (160) is a low-temperature tank capable of maintaining hydrogen in a liquid state and having a temperature lower than the liquefaction temperature of the hydrogen, and the induction coil (741) is immersed in the hydrogen tank (160) and is formed of a material that is a superconductor at the temperature of the liquid hydrogen in the hydrogen tank (160).

The utility model provides a transmission mechanism for accurate in-place of a 150KW transmitter disc type inductor, which comprises a motor fixing box, a motor, a first gear, a second gear, a transmission belt and a swing arm, the motor is arranged in the motor fixing box, the motor fixing box is arranged on a fixing support, the first gear is arranged above the motor fixing box, and the second gear is arranged above the transmission belt. A motor shaft of the motor is in transmission connection with the first gear, the second gear is installed on one side of the first gear and located above the motor fixing box, the first gear and the second gear are connected through a transmission belt, one end of the swing arm is connected with the second gear through a connecting piece, and the other end of the swing arm is connected with the disc type coil. The device is simple in structure and convenient to operate, achieves the purpose of accurate positioning of eight-path transmission, greatly improves the operation efficiency, saves energy, reduces the failure rate, is easier and more convenient to maintain, and solves the problem that the number of eight-path tuning mechanical frames is large, especially the problem that a tuning point cannot be found at high frequency.

The present application provides an adaptive control electromagnetic induction energy harvesting method and system for a transmission conductor. The adaptive control electromagnetic induction energy harvesting method for a transmission conductor comprises: on the basis of an electromagnetic induction energy harvesting apparatus fixed to a transmission conductor, acquiring a first electromagnetic induction electromotive force; if the first electromagnetic induction electromotive force is smaller than a working electromagnetic induction electromotive force, controlling the electromagnetic induction energy harvesting apparatus to adaptively control a magnetic core unit on the basis of the first electromagnetic induction electromotive force to extend or retract in a coil unit, so as to obtain a second electromagnetic induction electromotive force; performing filtering, rectification and voltage conversion processing on the first electromagnetic induction electromotive force or / and the second electromagnetic induction electromotive force to obtain an electromagnetic induction output voltage; and on the basis of the electromagnetic induction output voltage, selecting to supply power to or charge an electric device.

The present application relates to the technical field of large current generator, disclose a kind of tap winding configuration method of large current generator.The present application method determines the winding division of the secondary side of three-phase transformer by the output level number threshold of output current, and installs tap on the two sides of the independent winding divided, and then adjusts the connection mode of each tap according to the required output current;The present application realizes the shunt of multiple windings, can reduce the design line diameter of winding to reduce the weight of winding, the configuration of tap enables to adjust the output current of large current generator by adjusting the connection mode of tap, solves the technical problem that the adaptability and flexibility of existing large current generator is poor.

This invention discloses a control method and system for a large-aperture dual-channel resolver transmitter, belonging to the field of power technology. The method includes: determining the required input voltage for the resolver transmitter based on the target speed to be achieved; calculating the required rotation angle of the continuously variable transmission (CVT) knob on the resolver transmitter based on the required input voltage; obtaining the actual rotation angle of the CVT knob; and automatically adjusting the output winding length of the transformer based on the required and actual rotation angles of the CVT knob, so that the resolver transmitter outputs the target speed. The CVT knob is used to change the number of turns of the output enameled wire of the transformer at the voltage input terminal of the resolver transmitter by rotating the knob through an arc length. This invention can provide the current angle value of the CVT knob that needs adjustment in real time and automatically adjust the control when the output speed does not meet the target.

This application provides an electromagnetic induction energy harvesting method and system by adaptive control of a power transmission conductor, the electromagnetic induction energy harvesting method by adaptive control of a power transmission conductor includes: obtaining a first electromagnetic induction electromotive force based on an electromagnetic induction energy harvesting device fixed to the power transmission conductor; if the first electromagnetic induction electromotive force is smaller than the operating electromagnetic induction electromotive force, controlling the electromagnetic induction energy harvesting device to adaptively control the intrusion or retraction of the magnetic core unit into or out of the coil unit based on the first electromagnetic induction electromotive force to obtain a second electromagnetic induction electromotive force; performing smoothing, rectification and voltage conversion processing on the first and / or second electromagnetic induction electromotive force to obtain an electromagnetic induction output voltage; and selecting whether to perform power supply processing or charging processing for electrical equipment based on the electromagnetic induction output voltage.

The present invention relates to a superconducting flux pump having volt-level direct-current voltage output and an excitation system. A three-phase alternating-current core and a direct-current bias core are used to form a magnetically coupled air gap to form a traveling wave magnetic field. The traveling wave magnetic field acts on a superconducting stator to generate a direct-current voltage output. The present invention achieves volt-level direct-current voltage output from superconducting flux pumps, reduces the power supply cost of high-temperature superconducting magnets, and enables rapid charging of superconducting coils and operation in a continuous current mode.

The present technology relates to the field of superconducting transformer rectifier flux pumps and the field of controlling the supply of alternating current to the transformer rectifier flux pump to charge a load. A response of the transformer rectifier flux pump to a characterization current source is determined, which may include determining a value of the flux pump corresponding to a value of the applied current. A current supply value is calculated for each of a plurality of target values ​​of load current to be supplied to the load. The current supply to the flux pump is controlled accordingly. The supply may be varied based on feedback received from the flux pump, such as a sensor measuring a value on the secondary side of the transformer.

The present invention relates to a superconducting flux pump having volt-level direct-current voltage output and an excitation system. A three-phase alternating-current core and a direct-current bias core are used to form a magnetically coupled air gap to form a traveling wave magnetic field. The traveling wave magnetic field acts on a superconducting stator to generate a direct-current voltage output. The present invention achieves volt-level direct-current voltage output from superconducting flux pumps, reduces the power supply cost of high-temperature superconducting magnets, and enables rapid charging of superconducting coils and operation in a continuous current mode.

Disclosed is a reciprocating switching mechanism of an on-load tap changer. The reciprocating switching mechanism of the on-load tap changer includes a connection assembly and at least one switching assembly. The at least one switching assembly includes two switching units, the two switching units are arranged on opposite sides of the connection assembly, the two switching units are connected with the connection assembly through a first connection rod and a second connection rod, the first connection rod and the second connection rod are separated by a preset distance, and the first connection rod is slidable relative to the connection assembly. Each of the switching units includes a movable contact assembly and two static contacts, the two static contacts are located at opposite sides of the movable contact assembly, the movable contact assembly is connectable to the static contacts, and the movable contact assembly is slidable relative to the static contacts. One end of each of the two static contacts is connectable with an external support, the movable contact assembly is connected with the connection assembly through the first connection rod and the second connection rod, and the movable contact assembly is rotatable around a central axis of the second connection rod.

An inductance device includes a first inductance, a second inductance, and at least one switching circuit. The second inductance is used to enclose the first inductance and uses the topmost metal layer to shield the first inductance from external interference. The at least one switching circuit is coupled to the second inductance and is used to receive at least one control voltage, wherein the at least one control voltage is used to adjust the on degree of the at least one switching circuit.

This invention discloses an ultrasonic power supply impedance network, a variable inductor, a control circuit, and a control method, including a variable inductor, an ultrasonic power supply impedance network, and a control circuit. The variable inductor consists of a main magnetic core, two auxiliary magnetic cores, a main winding, and auxiliary windings, with an air gap between the auxiliary magnetic cores and the main magnetic core. By adjusting the control current, the magnetic saturation level of the auxiliary magnetic cores is changed, thereby changing the magnetic saturation state of the main magnetic core, achieving dynamic change of the inductance value. The ultrasonic power supply load is capacitive, and the control circuit can make the load impedance and the variable inductor reach a resonant state, effectively reducing losses and improving energy transmission efficiency. Furthermore, the impedance matching method of this invention utilizes two auxiliary inductors, improving the impedance matching speed through coarse adjustment and improving the impedance matching accuracy through fine adjustment. It has advantages such as high matching accuracy, wide matching range, and dynamic adjustment, further expanding the application field of variable inductors.

Provided are an adaptive control electromagnetic induction energy harvesting method and system for a power transmission line. The adaptive control electromagnetic induction energy harvesting method for the power transmission line includes acquiring a first electromagnetic induction electromotive force based on an electromagnetic induction energy harvesting device secured to the power transmission line; in response to the first electromagnetic induction electromotive force being less than an operating electromagnetic induction electromotive force, controlling the electromagnetic induction energy harvesting device to adaptively control a magnetic core unit to perform extension or retraction in a coil unit based on the first electromagnetic induction electromotive force to obtain a second electromagnetic induction electromotive force; performing filtering and rectification processing and voltage conversion processing on at least one of the first electromagnetic induction electromotive force or the second electromagnetic induction electromotive force to obtain an electromagnetic induction output voltage; and performing powering processing or charging processing on an electrical device based on the electromagnetic induction output voltage.

Provided are an adaptive control electromagnetic induction energy harvesting method and system for a power transmission line. The adaptive control electromagnetic induction energy harvesting method for the power transmission line includes acquiring a first electromagnetic induction electromotive force based on an electromagnetic induction energy harvesting device secured to the power transmission line; in response to the first electromagnetic induction electromotive force being less than an operating electromagnetic induction electromotive force, controlling the electromagnetic induction energy harvesting device to adaptively control a magnetic core unit to perform extension or retraction in a coil unit based on the first electromagnetic induction electromotive force to obtain a second electromagnetic induction electromotive force; performing filtering and rectification processing and voltage conversion processing on at least one of the first electromagnetic induction electromotive force or the second electromagnetic induction electromotive force to obtain an electromagnetic induction output voltage; and performing powering processing or charging processing on an electrical device based on the electromagnetic induction output voltage.

A system includes a control inductor and a variable inductor. The control inductor is configured to generate a control magnetic field across a channel in which the variable inductor is disposed. The control magnetic field is generated along a control axis within the channel. The control axis is misaligned with an operating axis along which the variable inductor generates an operating magnetic field when in operation.

The present invention relates to a system (100) for powering an electric motor (82) of a hybrid electric vehicle, the powering system (100) comprising a hydrogen fuel cell (26), a hydrogen tank (160) capable of supplying the hydrogen fuel cell (26), and a voltage booster (740) at the output of the hydrogen fuel cell (26), the voltage booster (740) comprising an induction coil (741), the hydrogen tank (160) being a cryogenic tank capable of maintaining the hydrogen in the liquid state and at a temperature lower than a liquefaction temperature of the hydrogen, the induction coil (741) being immersed in the hydrogen tank (160) and formed from a material that is a superconductor at the temperature of the liquid hydrogen in the hydrogen tank (160).

The application discloses a method for optimizing the superconducting transition temperature of a NbN film on a Si substrate at room temperature and application thereof, and comprises the following steps: fixing the Si substrate temperature as room temperature, setting the sputtering power as 100W-300W, setting the deposition gas pressure as 1mTorr-5mTorr, setting the gas mass flow ratio of the reaction gas N2 and the working gas Ar as 15%-35%, setting the sputtering time as 1200s-1500s, and depositing the NbN superconducting film with high superconducting transition temperature on the Si substrate. The superconducting transition temperature of the NbN superconducting film prepared by the method can reach 14.07K, the deposition temperature is room temperature, the preparation method is simple and reliable, has good repeatability, can be produced in industrial batch, and can provide strong material support for the mechanism research of the subsequent NbN superconducting material, the development of a superconducting dynamic inductance detector and engineering application.

To provide an electromagnet coil assembly implementing HTS (high temperature superconducting) materials, which can be mass-manufactured in a reliable, robust and highly cost-effective manner.SOLUTION: An electromagnet coil assembly 10 includes core 11, a winding wound in a plurality of turns around the core to constitute a coil 12, and multiple power taps 13a, 13b for electrically connecting the winding to an external power circuit. The winding is formed as a tape component comprising a HTS material. The multiple power taps are connected to the winding exiting the plane of the coil at a predetermined angle. The multiple windings of the coil consist of N turns. A first power tap 13a is connected with the first turn of the winding. A second power tap 13b is connected with a M-th turn of the winding, with M<N.SELECTED DRAWING: Figure 1A

Embodiments for a multi-wire inductor with at least three switchable windings, with a power distribution winding denoted P1, a suppression distribution winding denoted B, a cladding distribution winding denoted T, switching means for switching distribution between P1, B and T windings; and a capacitor bank, wherein B suppresses back EMF generated by pulsed power, T contains EMF emitted by field emission generated by pulsed power, and wherein input pulsed power input is converted to constant current output to the capacitor bank, such that its duration is extended by the combination of inductor windings and capacitor bank, thereby minimizing peak inductance below inductor saturation point.