Thyristor fault detection system and method

A thyristor fault detection system technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as equipment damage or failure, low safety, thyristor damage, etc.

Inactive Publication Date: 2018-11-16
KEHUA DATA CO LTD
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  • Abstract
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Problems solved by technology

However, before or during the operation of the equipment, the thyristor may be damaged. If it conti

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  • Thyristor fault detection system and method
  • Thyristor fault detection system and method
  • Thyristor fault detection system and method

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Embodiment Construction

[0045] The core of the present invention is to provide a thyristor fault detection system and method, which can accurately and effectively detect whether the thyristor has a fault, facilitate subsequent maintenance of the thyristor and its equipment, and improve the safety of the thyristor and its equipment.

[0046] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0047] First of all, it sh...

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Abstract

The present invention discloses a thyristor fault detection system and method. The system comprises: a thyristor drive control signal output module configured to output drive signals to a thyristor after control signals are received; a thyristor drive signal sampling module configured to collect the drive signals; a thyristor output voltage sampling module configured to collect a first output voltage of the thyristor when there are the drive signals and collect a second output voltage when there is no a thyristor; and a processing module configured to output the control signals and determine the state of the thyristor according to determination of whether there are the drive signals or not and determination of whether there is the first output voltage and/or the second output voltage. Thethyristor fault detection system and method can accurately and effectively detect whether the thyristor has faults or not to facilitate later maintenance of the thyristor and a device where the thyristor is located so as to improve the safety of the thyristor and the device where the thyristor is located.

Description

Technical field [0001] The invention relates to the technical field of electrical detection, in particular to a thyristor fault detection system and method. Background technique [0002] With the development of power electronics technology, thyristors are used more and more widely. In devices such as inverters or uninterruptible power supplies, thyristors are often used as electronic switches for the AC output of these devices. However, before or during the operation of the equipment, the thyristor may be damaged. If it continues to be used, other parts of the equipment may be damaged or malfunction, and the safety is low. [0003] Therefore, how to provide a solution to the above technical problems is a problem that needs to be solved by those skilled in the art. Summary of the invention [0004] The purpose of the present invention is to provide a thyristor fault detection system and method, which can accurately and effectively detect whether the thyristor has a fault, facilitat...

Claims

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Application Information

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IPC IPC(8): G01R31/26
CPCG01R31/263
Inventor 陈志彬杨文泉谢启源戴永辉
Owner KEHUA DATA CO LTD
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