Data acquisition system for high-power pulse power supply

A technology of data acquisition system and pulse power supply. It is applied in the field of data acquisition system of high-power pulse power supply. It can solve the problems of complex connection, inability to view the collected data in real time, and large volume, so as to reduce volume, enhance scalability and integration. performance, wiring is simple and clear

Pending Publication Date: 2021-10-08
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing pulse power supply data acquisition system uses the PXI bus to connect dozens or even hundreds of current sensors of power modules. The connection is complicated, the volume is huge, and the collected data cannot be viewed in real time. The received data is imported into professional analysis software for data analysis, s

Method used

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  • Data acquisition system for high-power pulse power supply
  • Data acquisition system for high-power pulse power supply
  • Data acquisition system for high-power pulse power supply

Examples

Experimental program
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Embodiment

[0034] figure 1 It is a system architecture diagram applicable to the data acquisition system provided by the embodiment of this application, refer to figure 1 , the hardware components of this embodiment include the following links:

[0035] One end of the high-voltage probe is connected to both ends of the capacitor of the high-power pulse power supply module through a differential method to obtain the charging voltage data of the high-power pulse power supply module; the other end of the high-voltage probe is connected to an optical fiber isolator to connect the The charging voltage data is sent to the fiber optic isolator.

[0036]One end of the Rogowski coil is installed between the wave-modulating inductance of the high-power pulse power supply module and the load. The magnetic field generated by the pulse current interacts with the Rogowski coil to generate an induced voltage in the coil, and the induced voltage is formed by an integral amplifier proportional to the me...

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Abstract

The invention discloses a data acquisition system for a high-power pulse power supply. The data acquisition system comprises a hardware component and a software unit, hardware components comprise a high-voltage probe, a Rogowski coil, an optical fiber isolator, an NI USB-5133 high-speed digital acquisition instrument and an upper computer, a software unit is developed by adopting LabVIEW, acquisition parameters such as channel number, input impedance, sampling rate and triggering mode can be flexibly configured, charging voltage waveform of a pulse power supply module can be displayed on a waveform display interface in real time, module discharge current waveforms are captured and displayed, and meanwhile certain data analysis requirements are met. The data acquisition system has the advantages of being simple in structure, small in size, easy to implement, clear, visual, high in expandability, high in integration and the like, and has a good application prospect.

Description

technical field [0001] The invention relates to the technical field of data acquisition, in particular to a data acquisition system for high-power pulse power supply. Background technique [0002] The high-power pulse power supply is composed of high-voltage high-frequency charger, pulse forming network, measurement and control unit, safety discharge and protection components and other parts. The pulse shaping network is the core unit of the pulse power supply, and generally includes multiple pulse power supply modules. The pulse power supply module is composed of pulse capacitors, high-power thyristors, high-voltage silicon stacks, wave-modulating inductors and other key components and peripheral devices. The pulse power supply can charge and store energy to the pulse capacitor of the power module through the charger, and then release the energy to the pulse shaping network through the high-power thyristor of the power module to form a large pulse current for the load. ...

Claims

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Application Information

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IPC IPC(8): G01R19/25G01R31/40
CPCG01R19/25G01R31/40
Inventor 唐波张亚田慧堵文灿栗保明
Owner NANJING UNIV OF SCI & TECH
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