Pulse power discharge circuit with high coupling split reactor
A technology for splitting reactors and discharging circuits, which is applied to electric pulse generator circuits, energy storage elements to generate pulses, and output power conversion devices, etc. The effect of preventing damage, reducing safety margin, and speeding up opening
Pending Publication Date: 2018-06-15
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
[0006] Aiming at the defects of the prior art, the purpose of the present invention is to provide a pulsed power discharge circuit with a high-coupling split reactor, which aims to solve the technical bottleneck of insufficient flow capacity of a single thyristor in the prior art, and reduce the simple operation of two thyristors. The risk of inconsistency in switching on when used in parallel, eliminates the problem of unbalanced thyristor current in two parallel branches, and prevents the hidden danger of inconsistency in switching on the thyristor, and limits the damage to the thyristor caused by excessive current steepness when the single thyristor is turned on
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[0022] 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.
[0023] The invention proposes a pulse power discharge circuit with a high-coupling split reactor, specifically relates to a main discharge circuit of a high-power pulse discharge device, specifically a pulse capacitor as an energy storage unit, and a thyristor as a discharge Switch, a high-current pulse discharge circuit that provides power to the load.
[0024] The invention effectively solves the defect of insufficient current flow capacity of a single thyristor, and solves the risk problem of inconsistency in switching on when the thyristors are simply used in parallel, and the circuit of the in...
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The invention provides a pulse power discharge circuit with a high-coupling split reactor. The pulse power discharge circuit includes two discharge branches, a high-coupling split reactor and a plurality of modulated inductors; the low-voltage ends of the two discharge branches are connected together, and are reliably and tightly connected to a safe grounding point; the high voltage ends of the two discharge branches are independent of each other, and are connected to two windings of the high-coupling split reactor through one thyristor respectively; one discharge branch is connected to a dotted terminal of one winding of the high-coupling split reactor, and the other discharge branch is connected to the unusual end of the other winding of the high-coupling split reactor; the output ends of the two windings of the high-coupling split reactor are connected together, and are connected to one ends of all the modulated inductors; the other end of each modulated inductor is connected to a corresponding load through a coaxial discharge cable. The invention can speed up the opening of the thyristor and protect the thyristor device.
Description
technical field [0001] The invention belongs to the technical field of pulse power, and more specifically relates to a pulse power discharge circuit with a high-coupling split reactor. Background technique [0002] Pulse power technology is a technology to study the power amplification of strong electric pulses. It stores electric field or magnetic field energy with low power for a long time, and then performs fast energy switching, pulse compression, and power amplification with the help of various switches, and releases pulse electric energy to a specific load in a short time. [0003] Pulse power technology is widely used in biomedicine, accelerator physics, laser and other fields, and the driving power supply to provide energy for it is an important direction of pulse power technology research. The pulse power supply has the characteristics of high storage energy, short discharge time, and large instantaneous power. Generally, capacitors are used to store electric energ...
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IPC IPC(8): H02M9/00H02M1/32
CPCH03K3/57
Inventor 潘垣钟和清邓禹张钦李黎
Owner HUAZHONG UNIV OF SCI & TECH