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DC electronic transformer calibration device and method

A technology of electronic transformer and calibration device, which is used in measuring devices, instruments, measuring electrical variables, etc., to achieve the effect of shortening development time

Inactive Publication Date: 2010-07-07
云南电力试验研究院(集团)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no relevant patent for the DC electronic transformer calibration device based on virtual instruments, so this patent is applied for under such a background

Method used

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  • DC electronic transformer calibration device and method
  • DC electronic transformer calibration device and method
  • DC electronic transformer calibration device and method

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Embodiment Construction

[0023] A DC electronic transformer calibration device is characterized in that it includes a hardware part and a software part, and the hardware part includes a conventional DC ratio standard, a DC high voltage generator or a DC high current generator, a multimode optical fiber transceiver, and a synchronization source , standard resistance or voltage divider, computer; the software part is the Labview software running on the computer; the connection structure of this device is: DC high voltage generator or DC high current generator and DC proportional standard and transformer to be tested respectively Port connection; the DC ratio standard is connected to the standard resistor or voltage divider, and the standard resistor or voltage divider is connected to the computer; the port of the transformer to be tested is connected to the multimode optical fiber transceiver; and the multimode optical fiber transceiver is connected to the computer ; A synchronization source is connected...

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Abstract

The invention discloses a DC electronic transformer calibration device and a method; the device comprises a hardware part and a software part, wherein, the software part is Labview software running on the computer; the connecting structure of the hardware part is as follows: a DC high-voltage generator or a DC large-current generator are respectively connected with a DC proportion standard and to-be-tested transformer port; the DC proportion standard is connected with a standard resistor or a voltage divider, the standard resistor or the voltage divider are connected with the computer; the to-be-tested transformer port is connected with a multimode fiber optic transceiver; the multimode fiber optic transceiver is connected with the computer; the computer and the to-be-tested transformer port are connected with a sync source. The advantages of the invention are as follows: the adaptability is good, different proportion standards are provided, various DC electronic transformers can be calibrated, the performance is accurate and reliable, and the using is convenient.

Description

Technical field: [0001] The invention relates to an electronic transformer calibration device and method, in particular to a virtual instrument-based DC electronic transformer calibration device and method. Background technique: [0002] The rapid development of photoelectric technology and computer technology makes electronic transformers show broad prospects and strong vitality. The electronic transformer makes full use of various excellent characteristics of electro-optic crystals and the advantages of modern photoelectric technology. The signal processing part adopts advanced digital signal processing DSP technology, which has good insulation performance, strong ability to withstand electromagnetic interference, wide measurement frequency band, The dynamic range is large, and it has the characteristics of real-time, rapidity and convenience for complex algorithm processing. In recent years, electronic transformers have attracted widespread attention in the power industr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/02
Inventor 曹敏梁仕斌丁心志赵涓李毅
Owner 云南电力试验研究院(集团)有限公司
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