Inductive-cavity magnetic core resetting mechanism
A technology of reset mechanism and induction cavity, which is applied in the direction of fixing transformers, electrical components, transformers, etc., and can solve the problems of difficult reset, uneven and insufficient reset of the magnetic core of the induction cavity, etc.
Inactive Publication Date: 2013-12-18
NORTHWEST INST OF NUCLEAR TECH
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Problems solved by technology
But when the induction cavity is driven by a common pulse source, it may be difficult to reset several cores in parallel, not only because a larger core reset current is required, but also because of the difference in connection resistance. The core reset currents on different cores are different, resulting in uneven and insufficient core reset for different induction cavities
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[0008] The structure, connection mode and advantages of the present invention will be further described below in conjunction with the accompanying drawings and embodiments of the present invention.
[0009] In the 3-level induction cavity of 1.5MV developed by the Northwest Institute of Nuclear Technology, a piston-type induction cavity magnetic core reset mechanism designed by the present invention is used as figure 2 As shown, in this embodiment, the isolating mechanical switch is realized by a spring actuating a piston electrode. When working, before the main pulse feeds in, use the magnetic core to reset the introduction rod in each induction cavity, 1, press the piston movement electrode, 2, press the electrode into the piston barrel, 6, press the sleeve in the slot, 5, the side groove Under the guidance, reach the bottom of the pressure sleeve, then rotate 90 degrees clockwise, snap into the bottom of the slotted pressure sleeve, 5, and separate from the inner cylinder ...
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The invention relates to an inductive-cavity magnetic core resetting mechanism which comprises a magnetic core reset pulse leading-in pole, a cylindrical fixed electrode and a moving electrode, wherein a thread pressing sleeve and a slotting pressing sleeve are arranged between the moving electrode and the fixing electrode; the moving electrode is internally provided with a spring driving part; the magnetic core reset pulse leading-in pole is arranged at the upper part of the moving electrode; and an angular transmission line connecting structure which feeds the pulse into an inductive cavity is arranged at the lower part of the fixed electrode. The high-efficiency resetting of the respective magnetic core of a plurality of wire-driven shunt-wound inductive cavities and the simultaneously normal exciting of the main pulse are realized by a piston type leading-in mechanism so that the inductive-cavity magnetic core resetting mechanism resets the independent magnetic core of the single inductive cavity, does not affect other inductive cavities, and can enable the resetting currents of all the inductive cavity magnetic cores to be identical.
Description
technical field [0001] The invention relates to a resetting mechanism for an induction cavity magnetic core, which belongs to an induction cavity magnetic core resetting electric pulse introduction mechanism. Background technique [0002] Induced voltage adder (IVA) uses the principle of electromagnetic induction to feed several pulses into several induction cavities connected in parallel in a certain order, and superimposes on the same secondary to generate high voltage. Among them, the magnetic core must work in an unsaturated state. In order to make full use of the magnetic core, it is necessary to reset the magnetic core before the arrival of the main pulse. A common method: using the primary or secondary to introduce reset current, is to use a mechanical piston to connect the DC power supply to the inner conductors of different induction cavities in turn, and then feed in the current (~100A, a few seconds) to generate in the amorphous core A magnetic field of a few ten...
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IPC IPC(8): H01F30/00
Inventor 梁天学孙凤举邱爱慈丛培天尹佳辉刘志刚张众姜晓锋
Owner NORTHWEST INST OF NUCLEAR TECH