Features of electromagnetic ejection energy storage motor
In the ejection process of the linear motor, the thrust force is the electromagnetic force received by the mover armature. To achieve accurate control of the ejection process, the resistance of …
Structure Optimization of Permanent Magnet Linear Ejection …
In the ejection process of the linear motor, the thrust force is the electromagnetic force received by the mover armature. To achieve accurate control of the ejection process, the resistance of …
Electromagnetic design of high-speed permanent magnet synchronous motor ...
Flywheel energy storage system (FESS) has significant advantages such as high power density, high efficiency, short charging time, fast response speed, long service life, maintenance free, and no geographical environment restrictions. Motor is the energy conversion core of FESS and plays a significant role on system performance. In this paper, the design features of the motor for …
Electromagnetic Design of High-Power and High-Speed …
motor; electromagnetic design; loss characteristics 1. Introduction The flywheel energy storage system is an energy storage device that converts electrical energy and mechanical energy with a high-speed rotating flywheel rotor as a carrier [1], and it is one of the preferred solutions for short-term energy storage systems. The flywheel
Carrier-Based Launch of Aircraft to Use Power Electronics Instead …
This motor generator is part of a suite of equipment called the Energy Storage Subsystem, which includes the motor generator, the generator control tower, and the stored energy exciter power supply.
Electromagnetic Aircraft Launch System
OverviewDesign and developmentDelivery and deploymentAdvantagesCriticismsOperatorsOther developmentSee also
The Electromagnetic Aircraft Launch System (EMALS) is a type of electromagnetic catapult system developed by General Atomics for the United States Navy. The system launches carrier-based aircraft by means of a catapult employing a linear induction motor rather than the conventional steam piston, providing greater precision and faster recharge compared to steam. EMALS w…
Research on loss of high speed permanent magnet synchronous motor …
As advantages of high energy density and large instantaneous power, flywheel energy storage is very promising energy storage technology in recent years. High-speed permanent magnet synchronous motor (HSPMSM) with low loss and high efficiency is one of the crucial components of flywheel energy storage (FES), and Loss calculation is crucial to …
Quantitative energy storage and ejection release in superelastic …
Mechanical energy storage ejection is a launch method with an indispensable position in military applications. This technology has been used for weapon launches, including gunpowder launches, pneumatic ejection, electromagnetic ejection and many other forms [22], [23]. However, designing and manufacturing a safe and stable energy storage ...
SUAV electromagnetic ejection system
A kind of SUAV electromagnetic ejection system, including dynamical system, energy-storage system and protection system, Described dynamical system includes that electromagnet group, brush and slide block, described slide block are used for loading SUAV, Being fixed with permanent magnet below described slide block, described brush is fixed on described slide …
Chapter 46 Characteristics Analysis of a New Electromagnetic …
A new electromagnetic coupling energy-storage motor structure is presented in the article. It effectively lessens the DC excitation power with energy storage of
Operation Control Strategies for Switched Reluctance Motor …
In this paper, the mechanical characteristics, charging/discharging control strategies of switched reluctance motor driven large-inertia flywheel energy storage system are analyzed and studied. The switched reluctance motor (SRM) can realize the convenient switching of motor/generator mode through the change of conduction area. And the disadvantage of large torque ripple is …
Performance Analysis and PSO Optimization of BPMLM for Electromagnetic …
As an emerging launch technology, electromagnetic launch (EML) has been widely used in many domains, such as aircraft launch, missile launch, space satellite launch and high-speed vehicle crash test etc. [1,2,3].EML has obvious advantages in capability and performance compared with gunpowder and gas ejection, including high concealment, precise …
Research on Solid Armature Parameters of Induction Coil Launcher …
Figure 2 is the design diagram of the electromagnetic coil transmission system. The system uses a high-voltage charger to charge the energy storage capacitor. Under the control of the timing trigger controller, the energy storage capacitor discharges gradually to the driving coil according to the input timing, generating a strong pulse magnetic field around the driving coil.
Electromagnetic Pulse
The electromagnetic pulse energy typically comprises various frequencies of DC to some kind of upper limit that depends on the source. The range can be defined as the EMP, which can also be referred to as DC to the daylight, excluding the highest form of frequencies which comprises the optical and ionizing ranges. ... Coronal Mass Ejection ...
Light–Material Interactions Using Laser and Flash Sources for Energy ...
This review provides a comprehensive overview of the progress in light–material interactions (LMIs), focusing on lasers and flash lights for energy conversion and storage applications. We discuss intricate LMI parameters such as light sources, interaction time, and fluence to elucidate their importance in material processing. In addition, this study covers …
Calculation of motor electromagnetic field for flywheel energy storage ...
A Flywheel Energy Storage System (FESS) can solve the problem of randomness and fluctuation of new energy power generation. The flywheel energy storage as a DC power supply, the primary guarantee is to maintain the stability of output voltage in discharge mode, which will cause the variation of motor internal magnetic field. In this paper, taking a flywheel energy storage …
Electromagnetic Aircraft Launch System
An illustration of the EMALS A drawing of the linear induction motor used in the EMALS. The Electromagnetic Aircraft Launch System (EMALS) is a type of electromagnetic catapult system developed by General Atomics for the United States Navy.The system launches carrier-based aircraft by means of a catapult employing a linear induction motor rather than the conventional …
Thrust control of superconducting DC linear motor for electromagnetic …
According to the requirements of the fixed-wing UAV''s ejection acceleration take-off index, based on the T-type equivalent circuit model of the linear induction motor, the electromagnetic thrust ...
Analysis of electromagnetic characteristics of a new …
Electromagnetic ejection technology is a new launching technology which uses electromagnetic force to accelerate the projectile to ultra-high sound speed. This technology …
Analysis of Excitation Field of Superconducting Linear Motor for ...
The thrust of the electromagnetic ejection device is provided by a high-temperature superconducting linear motor. In this paper, the excitation magnetic field of high-temperature superconducting linear motor (HTS-LM) is analyzed in detail. The excitation magnetic field of HTS-SM was analyzed in detail using the Bio-Savard law. Finally, the magnetic field analysis …
Research on Control Strategy of the Electromagnetic Launch …
Electric energy is used as the power source for electromagnetic launch system, and the linear motor of the system can be precisely controlled.
Analysis of Electromagnetic Characteristics of an Integrated ...
By comparing the results with 3-D finite element calculations, the electromagnetic characteristics of the eddy current clutch and eddy current brake are …
(PDF) Analysis of electromagnetic characteristics of a new ...
Electromagnetic ejection technology is a new launching technology which uses electromagnetic force to accelerate the projectile to ultra-high sound speed.
A review of flywheel energy storage rotor materials and structures
The flywheel is the main energy storage component in the flywheel energy storage system, and it can only achieve high energy storage density when rotating at high speeds. ... VYCON [99] adopts a permanent magnet motor and a metal flywheel, with a speed of 36,000 r/min, and adopts electromagnetic fully suspended bearings.
Design, fabrication, and experimental study of a full-scale …
In this paper, we study the interior ballistic characteristics of rockets or missiles with acceleration less than 10 g during the compressed air ejection process. First, we designed and fabricated a full-size compressed air ejection system, and utilizing different missile mass and initial pressure variables. Then, we established the mathematical model of the interior ballistics …
(PDF) Analysis of electromagnetic characteristics of a …
Electromagnetic ejection technology is a new launching technology which uses electromagnetic force to accelerate the projectile to ultra-high sound speed.
Research on Segmented Power Supply Technology of Microgravity ...
The microgravity experiment facility with electromagnetic launch is driven and braked by a linear motor to vertically eject and recover the experimental cabin, forming a microgravity environment ...
CN116198736A
The invention provides a single-shaft structure aircraft carrier electromagnetic ejection and blocking device based on an energy storage double-rotor motor, which comprises a double-rotor motor part and an electric vortex brake part, wherein the electric vortex brake part comprises a hollow shaft and fixing piles symmetrically arranged on two sides of the hollow shaft, an …
Optimal Charging Control of Energy Storage Systems for Pulse …
In this article, the charging control of the energy storage system for the pulse power load accommodation in a shipboard integrated power system (SIPS) is formulated as an optimal control problem. The SIPS is an input-affine nonlinear system with randomness and fast dynamics. The improved twin-delayed deep deterministic policy gradient algorithm -one of the …
CN111332488A
The invention discloses an electromagnetic ejection system, which comprises a flywheel energy storage device, a power electronic conversion device, a transmission device and a control...
Suppression of low-frequency vibration for rotor-bearing system …
SMA has a large elastic energy storage capacity, and Wei et al. [26] indicated that the recoverable conversion strain of SMA wire can reach 8 %, thus it should be noted that the energy storage launch by using SMA wire could be a novel and meaningful method in designing energy storage and ejection devices.
Analysis of Radial Electromagnetic Force and Vibration …
Purpose This paper comprehensively analyses the radial electromagnetic (EM) force by unit area and vibration characteristics in a permanent magnet synchronous motor (PMSM). This provides the possibility to verify the action law, causes, and influencing factors of vibration deformation and provides new ideas for vibration management. Methods Analytical …
Electromagnetic Performance Analysis of PM Linear Synchronous Motor …
PM linear motors have the advantages of high thrust density, high efficiency, and good dynamic performance, so they have been widely applied in industrial automation, manufacturing equipment, and new energy fields [1,2,3,4,5].The constantly expanding application fields have put forward higher performance for linear motors, so new materials and structure …
electromagnetic ejection capacitor energy storage
Quantitative energy storage and ejection release in superelastic … Mechanical energy storage ejection is a launch method with an indispensable position in military applications. This technology has been used for weapon launches, including gunpowder launches, pneumatic ejection, electromagnetic ejection and many other forms [22], [23].
Electromagnetic Brake Motor
The electromagnetic brake motor is equipped with a power off activated type electromagnetic brake for braking. An example of the structure is shown in the figure on the right. When voltage is applied to the exciting coil (①), the armature (③) is attracted to the electromagnet in resistance to the coil spring (②) and the brake is released ...
Optimized Performance of Closed Loop Control …
The effects of the generated electromagnetic field on the operation of electrical generators with energy storage have been investigated. A prototype comprises an electromagnetic field system, an electrical generator, and an energy conversion and storage system. The electromagnetic generator field comprises both the rotor and the stator.
Triboelectric and electromagnetic hybrid generators for ocean energy …
Ocean energy, as a renewable energy source resource [1], [2], [3], is regarded as one of the most promising clean energy sources.According to reports, the global ocean energy potential values at 32 TW, which is equal to 18 million petroleum equivalent per year [4], [5], [6].Ocean energy, including wave energy and ocean current energy, have the characteristics of high energy …
Electromagnetic design of high-speed permanent magnet synchronous motor ...
Motor is the energy conversion core of FESS and plays a significant role on system performance. In this paper, the design features of the motor for FESS are analyzed first. Then, a permanent magnet synchronous motor (PMSM) with a rated speed of 12000 rpm and a rated power of 250 kW is designed.
Design and analysis of a linear induction motor for a prototype …
This paper investigates the design and analysis of a linear induction motor (LIM) drive for a prototype transportation system, which is levitated by the interaction force between high temperature superconducting (HTS) bulks placed on the ground and permanent magnets (PMs) mounted on the bottom of the vehicle, while the driving force is provided by a …
Integration model and performance analysis of coupled thermal energy …
Popular energy storage technologies coupled with thermal power units include compressed air (CAES) (Ouyang et al., 2023; Zhang, L. et al., 2020), liquefied air (LAES) (Fan et al., 2023), and compressed/captured CO 2 (CCES) (Chae and Lee, 2022), which are all viable candidates for thermal unit flexibility retrofits.However, these renovations face challenges that …
Electromagnetic interference prediction technology of new energy motor …
New energy vehicles in the running process inevitably produce common and differential modes such as electromagnetic interference (EMI), to forecast motor drive system.
Research on Control Strategy of the Electromagnetic Launch …
It is a new UAV launch technology that uses electric energy as energy and accelerates objects through electromagnetic thrust generated by the principle of electromagnetic action, and …