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A flat-top pulse strong magnetic field realization device

A flat-top pulse and strong magnetic field technology, which is applied in electric pulse generator circuits, output power conversion devices, electrical components, etc., can solve the problems of low power density and low magnetic field strength of battery-type power supplies, and achieve cost reduction , high field strength, easy to compensate the effect

Active Publication Date: 2021-02-12
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the first two methods, the stability of the magnetic field is improved, but because the power density of the battery-type power supply itself is not high, the resulting magnetic field strength is low

Method used

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  • A flat-top pulse strong magnetic field realization device
  • A flat-top pulse strong magnetic field realization device
  • A flat-top pulse strong magnetic field realization device

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention more clear, 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] The invention adopts the method of combining passive magnetic flux coupling filtering and active filtering to offset the AC component of the main power supply current, realize a high-stability DC current waveform, and then generate a high-stability flat-top pulse strong magnetic field on the magnet load . It can be used at the output of battery-type power supplies, pulse generators, c...

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Abstract

The invention discloses a device for realizing flat top pulsed strong magnetic field, which belongs to the technical field of pulsed strong magnetic field. Including: the main discharge circuit composed of the main power supply, the primary side of the coupling transformer, and the magnet load connected in sequence; the compensation discharge circuit composed of the secondary side of the coupling transformer, the AC compensation power supply, the compensation capacitor, and the magnet load connected in sequence; the resistor and the diode connected in series Finally, the freewheeling circuit of the magnet load formed by connecting in parallel at both ends of the main power supply; among them, the compensation discharge circuit can compensate the fundamental frequency ripple component, high frequency ripple and switching ripple component in the magnetic field, resulting in a high stability flat top pulsed magnetic field. The invention adopts the method of combining passive magnetic flux coupling filtering and active filtering to offset the AC component of the main power supply current, realize a high-stability DC current waveform, and then generate a high-stability flat-top pulse strong magnetic field on the magnet load .

Description

technical field [0001] The invention belongs to the technical field of pulsed strong magnetic field, and more specifically relates to a flat-top pulsed strong magnetic field realization device. Background technique [0002] Strong magnetic field technology has become one of the more and more important experimental conditions for modern scientific experiments. At the same time, large scientific experiments such as high-power terahertz sources and nuclear magnetic resonance have higher and higher requirements for magnetic field stability and duration. The top pulse magnetic field was proposed and studied deeply. For magnets, the requirement of high stability and high field strength magnetic field position is the requirement of high stability and high power current waveform. High-stability and high-power flat-top pulse current can also be used in the field of electromagnetic emission. In the rail-type electromagnetic drive system, in order to make the solid armature achieve a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M9/00H03K3/02
CPCH02M11/00H03K3/02
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
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