Flat-topped pulse strong magnetic field generating device
A technology of flat-top pulse and generating device, which is applied in the direction of electric pulse generator circuit, energy storage element generating pulse, electromagnet, etc. Simple control and high energy storage efficiency
Inactive Publication Date: 2020-07-14
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
[0004] Aiming at the above defects or improvement needs of the prior art, the present invention provides a flat-top pulsed strong magnetic field generator to solve the problem of the existing flat-top pulsed strong magnetic field generator based on a capacitor-type power supply due to the difficulty in direct regulation of the discharge waveform. technical issues of short duration
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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0029] In order to achieve the above object, the present invention proposes a flat top pulse strong magnetic field generating device, such as figure 1 As shown, it includes: main power supply, thyristor main switch T1, decoupling transformer M, double coil magnet, auxiliary power supply, DC compensation power supply and diode D3; in this embodiment, the main power supply is the main capacitor gr...
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Abstract
The invention discloses a flat-topped pulse strong magnetic field generating device. A main power supply, a thyristor main switch, a primary side of a decoupling transformer and an inner coil of a double-coil magnet are sequentially connected in series to form a main discharge loop; an auxiliary power supply, the secondary side of the decoupling transformer and an outer coil of the double-coil magnet are sequentially connected in series to form an auxiliary discharge loop; a DC compensation power supply, a diode, the secondary side of the decoupling transformer and the outer coil of the double-coil magnet are sequentially connected in series to form a compensation discharge loop; the magnetic fields generated by the main discharge loop, the auxiliary discharge loop and the compensation discharge loop are superposed in the center of the double-coil magnet to generate a flat-topped pulse strong magnetic field, and the duration time of the magnetic fields is long. Besides, the main discharge power supply of the device is a capacitor type power supply, the energy storage density is high, the control is simple, a flat-topped pulse magnetic field with high magnetic field intensity and high stability can be generated, and the overall cost of the system is low.
Description
technical field [0001] The invention belongs to the field of pulsed strong magnetic field, and more specifically relates to a flat-top pulsed strong magnetic field generating device. Background technique [0002] Under the current environment, it is becoming more and more difficult to achieve scientific breakthroughs under conventional experimental conditions. As one of the important extreme experimental conditions, strong magnetic fields have effectively promoted the discovery of new laws and phenomena and interdisciplinary research. Since 1913, there have been a total of 19 Nobel Prizes related to strong magnetic fields, covering materials science, physics, life science and medicine, chemistry and many other disciplines. There are also important applications. According to the length of duration, strong magnetic fields can be divided into steady-state strong magnetic fields and pulsed strong magnetic fields. Although the magnetic field strength generated by the pulsed str...
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IPC IPC(8): H02M9/04H01F7/06H01F7/20
CPCH01F7/06H01F7/20H03K3/57
Inventor 肖后秀孙先锋王正磊李晓峰陈贤飞韩小涛李亮
Owner HUAZHONG UNIV OF SCI & TECH