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Multifunctional integrated IGBT drive circuit module

A technology for driving circuits and integrated circuits, which is used in output power conversion devices, electrical components, and high-efficiency power electronic conversion. It can solve the problems of complex main circuit layout, large stray inductance, and low reliability. protection, reduce switching voltage spikes, and save maintenance costs

Active Publication Date: 2013-02-27
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of complex main circuit layout, high cost, large stray inductance and low reliability in existing IGBT converters, the present invention provides an integrated multifunctional IGBT drive circuit module

Method used

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  • Multifunctional integrated IGBT drive circuit module
  • Multifunctional integrated IGBT drive circuit module
  • Multifunctional integrated IGBT drive circuit module

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Embodiment Construction

[0018] Integrated multifunctional IGBT drive circuit module, including drive circuit composed of power amplifier switch circuit and isolation drive transformer, IGBT, main circuit, DC support circuit, soft switch circuit connecting four IGBTs (A~D), absorbing circuit and The current detection circuit, the above-mentioned circuits and components are all integrated on the same printed circuit board module.

[0019] The integrated multifunctional IGBT drive circuit module includes a drive circuit composed of a power amplifier switch circuit and an isolation drive transformer T1, T2, and also includes an integrated circuit that connects four IGBTs (A to D) to form a full-bridge phase-shifting circuit; the integrated The circuit includes a DC support circuit composed of the eighth capacitor C25 and the ninth capacitor C26 connected in parallel to the positive and negative ends of the DC branch circuit, including six capacitors C17, C18, C19, C20, C23, and C24 and connected to four I...

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Abstract

The invention relates to a rolling stock auxiliary power supply converter, in particular to an IGBT converter which is a multifunctional integrated IGBT drive circuit module. The invention solves the problems of the existing IGBT converter that the main circuit layout is complicated, the cost is high, the stray inductance is large and the reliability is low. The multifunctional integrated IGBT drive circuit module comprises a drive circuit composed of a power amplifier switch circuit and an isolating drive transformer, IGBTs, a main circuit, a DC support circuit, a soft switching circuit connected with four IGBTs (A-D), an absorbing circuit and a current detection circuit, wherein all the circuits and parts are integrated on the same printed circuit board module. The IGBT converter is used in the soft switching convertor circuit, realizes the drive and protection of the IGBTs and integrates partial function of the main circuit on the drive circuit module, thus the combination of the drive circuit and the main circuit can be better and the reliability of the power converter circuit can be increased.

Description

technical field [0001] The invention relates to a rolling stock auxiliary power supply converting device, in particular to an IGBT converter, in particular to an integrated multifunctional IGBT drive circuit module. Background technique [0002] IGBT (Insulated Gate Bipolar Transistor) is a combination of bipolar transistor and MOSFET (Insulated Gate Field Effect Transistor), which has both the gate voltage control fast switching characteristics of MOSFET and the high current of bipolar transistor The characteristics of processing capacity and low saturation voltage drop have been widely used in various power conversion devices in recent years, such as IGBT converters. [0003] In the design of an IGBT converter, the performance of the drive circuit has an important impact on the performance of the entire converter. The IGBT drive circuit is a circuit that drives the IGBT module to allow it to work normally and protects it at the same time. In the design of the drive circu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/08
CPCY02B70/1491Y02B70/10
Inventor 张晋芳牛勇李相锋王博胥会兵
Owner CRRC YONGJI ELECTRIC CO LTD