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Protection circuit, oscillation compensation circuit and power supply circuit in solid-state pulse modulator

A technology of pulse modulator and protection circuit, applied in the direction of electric pulse generator circuit, pulse technology, energy storage element to generate pulse, etc.

Pending Publication Date: 2018-03-23
NUCTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This disclosure aims to at least partially solve the problems of gate protection, oscillation compensation, over-current protection or over-voltage protection of IGBT switches at all levels in solid-state pulse modulators based on the MARX generator principle, so as to ensure that the solid-state pulse modulator operates stably and reliably. Work

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  • Protection circuit, oscillation compensation circuit and power supply circuit in solid-state pulse modulator
  • Protection circuit, oscillation compensation circuit and power supply circuit in solid-state pulse modulator
  • Protection circuit, oscillation compensation circuit and power supply circuit in solid-state pulse modulator

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Embodiment Construction

[0044] Other aspects, advantages and salient features of the present disclosure will become apparent to those skilled in the art from the following detailed description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings.

[0045] In this disclosure, the terms "include" and "comprising" and their derivatives mean inclusion but not limitation; the term "or" is inclusive and means "and / or".

[0046] In this specification, the various embodiments described below to describe the principles of the present disclosure are illustrative only and should not be construed as limiting the scope of the invention in any way. The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of exemplary embodiments of the present disclosure as defined by the claims and their equivalents. The following description includes numerous specific details to aid in understanding, but these should b...

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Abstract

The disclosure provides a gate protection circuit for an insulated gate bipolar transistor (IGBT). The IGBT is used as a switch device in a solid-state pulse modulator based on the principle of an MARX generator, the gate protection circuit comprises a voltage stabilizer, and the voltage stabilizer is used to provide a stable voltage for an emitter of the IGBT with respect to the ground for the gate of the IGBT.

Description

technical field [0001] The present disclosure generally relates to the field of electronic technology, in particular to gate protection circuits, oscillation compensation circuits, overcurrent protection circuits and overvoltage protection circuits for insulated gate bipolar transistors (IGBTs), for The power supply circuit of the solid-state pulse modulator, and the solid-state pulse modulator based on the MARX generator principle including one or more of the above-mentioned circuits. Background technique [0002] The solid-state pulse modulator based on the MARX generator principle uses an insulated gate bipolar transistor (IGBT) as a switching element, and the turn-on and turn-off of the IGBT is controlled by the gate voltage. When a positive voltage is applied to the gate, the IGBT is turned on, and when a negative voltage is applied to the gate, the IGBT is turned off. [0003] The reliability of the IGBT is very important for solid-state modulators. The safety and rel...

Claims

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Application Information

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IPC IPC(8): H03K17/0812H03K17/567
CPCH03K17/08128H03K17/567H03K3/57H03K17/06H03K2017/066H03K2217/0081H03K17/08116H03K17/08126
Inventor 刘耀红赵自然刘晋升贾玮李伟阎忻水
Owner NUCTECH CO LTD