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High-temperature superconductivity coil The High-temperature superconductivity coil can not only be used as the winding of the device, but also can directly form a magnet, and can also be used as an inductor. Superconducting magnets generally refer to superconducting coils wound with superconducting wires that can generate strong magnetic fields. As devices, they also include low-temperature constant temperature containers necessary for their operation. Superconducting magnets have significant advantages over ordinary permanent magnets and conventional wire electromagnets. The magnetic field near the poles of a general permanent magnet is within a few thousand Gauss, and it is very difficult to increase its magnetic field strength. An electromagnet is a magnet made by wrapping insulated copper or aluminum wire around an iron core. When generating a strong magnetic field, it generates high temperature and emits huge heat due to the need to apply a large amount of current to the coil. Due to the resistance of magnets and magne: 02

2023-08

Superconducting magnet energy storage The application of superconducting magnet energy storage in power systems was first proposed by Ferrier in 1969. The initial idea was to meet the needs of regulating load changes in the French power system. In the 1970s, making a superconducting coil was easier than making a power electronic device. In 1974, Los Alamos National Laboratory developed the first operational superconducting magnet energy storage system with three-phase inverter. The principle of superconducting magnet energy storage is to use the magnetic field generated by the DC current of the superconducting coil to store energy. In order to reduce energy loss, the energy storage coil needs to be made of superconducting material and immersed in liquid nitrogen or helium. The key technology of superconducting coils is their manufacturing and cooling.Because there is no need for energy conversion, superconducting magnet energy storage has good dynamic characteristics compared to mechanical energy storage devices, with a re: 02

2023-08

Superconducting Magnet System The superconducting magnet system is divided into two types: traditional cylindrical superconducting magnets and open superconducting magnets. Traditional superconducting magnets are mainly divided into two grades based on field strength: 1.5T and 3.0T. Among them, 1.5T is the mainstream magnet, and the use of 3.0T magnets is increasing year by year. There are mainly two types of field strengths for open superconducting Euros: 1.0T and 1.2T. The superconducting magnet system is also composed of a main magnetic field generating unit, a shimming unit, and a refrigeration unit. The main magnetic field generating unit is composed of a superconducting main coil and a superconducting magnetic shielding coil, the shimming unit is composed of a superconducting shimming coil or a passive shimming patch, and the refrigeration unit includes a dewar, a cold screen, and a cold head.This is a relatively early structural feature of magnetic resonance superconducting magnets. After more than a decade: 02

2023-08

Magnetic monopole. Scientists have searched for Magnetic monopole in various ways, including using Particle accelerator to artificially manufacture Magnetic monopole, but they have not achieved anything. On September 4, 2009, Jonathan Morris and Alan Tennant from Dresden, St Andrews, La Plata and Oxford from the Research Center of the Helmholtz Association of Germany carried out a neutron scattering experiment in the Berlin Research Reactor. They found the Magnetic monopole for the first time and observed how it was produced in real matter. The material they are studying is a single crystal of Dysprosium titanate, which can crystallize into a quite significant geometric shape, also known as a calcine lattice. With the help of neutron scattering, researchers have confirmed that the magnetic moments inside the material have been reorganized into so-called "spin spaghetti," a name derived from the order of the dipole itself. Such a controllable network of tubes (strings) can be formed through the transmissi: 31

2023-07

Superconducting magnets are superior to conventional magnets in many aspects (1) Superconducting magnets have no Joule heat loss during stable operation, which is particularly prominent for magnets that need to obtain a strong DC magnetic field in a larger space. This can save a lot of energy, and the required excitation power is very small, and there is no need for large water supply and purification equipment like conventional magnets. Large superconducting magnets have been used as core components in nuclear physics and high-energy physics research. The significance of High-temperature superconductivity magnets in this respect is more obvious.(2) Superconducting materials can have a high current density, resulting in small volume and light weight of superconducting magnets. They can also easily meet special requirements for high uniformity or high magnetic field gradients.(3) If a superconducting switch is connected in parallel to operate the superconducting magnet in a continuous current state, an extremely stable magnetic field can be obtained, and in prin: 01

2023-08

Magnetic repulsive substance In June 1992, I accidentally discovered that the growth direction of vegetable bean plants was opposite to the rotation direction of clock hands, consistent with the rotation direction of typhoons. I conducted magnetic field experiments on the top of fresh plants and various other fresh and tender parts of this plant using magnets, and discovered a new physical phenomenon - the same polarity magnetization phenomenon (completely different from existing knowledge). This is a major breakthrough or discovery following the known "Earth is composed of three major types of magnetic substances". I have named these types of magnetic substances magnetic repulsive substances, or monopolar substances, abbreviated as repulsive magnetic substances.It is a new discovery, a new concept, a new theory, a new branch of the field of magnetic physics. It does not conflict with "universal gravitation" or "Coulomb's law". Its concept of gravity is that it is proportional to the product of magnetic field,: 01

2023-08

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