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Thyristor rectification soft start control method and device, and storage medium

A control method and thyristor technology, applied in the direction of output power conversion device, conversion of AC power input to DC power output, electrical components, etc., can solve problems such as cost increase

Active Publication Date: 2020-10-23
SHENZHEN INOVANCE TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a thyristor rectifier soft-start control method, device and storage medium, aiming to solve the technical problem of using a soft-start circuit to establish the bus voltage of a thyristor rectifier module, resulting in increased cost

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  • Thyristor rectification soft start control method and device, and storage medium

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Embodiment Construction

[0038] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0039] The main solutions of the embodiments of the present invention are: obtaining the phase voltage of the thyristor rectifier module; determining the phase of the phase voltage; and controlling the thyristor rectifier module when the phase of the phase voltage is within a preset conduction angle range The thyristor corresponding to the thyristor is turned on, and the conduction angle of the thyristor is increased until the bus voltage of the thyristor rectifier module is established.

[0040] In the technical solution of the present invention, the phase voltage of the thyristor rectifier module is obtained first, and the phase of the phase voltage is determined, and the conduction of the thyristor is controlled through the phase of the phase voltage, and the conduction angle of the transistor is gradually increased...

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Abstract

The invention provides a thyristor rectification soft start control method, a thyristor rectification soft start control device and a storage medium. The thyristor rectification soft start control method comprises the following steps of acquiring a phase voltage of a thyristor rectification module; determining the phase of the phase voltage; and when the phase of the phase voltage is in a preset conduction angle range, controlling a corresponding thyristor in the thyristor rectification module to be conducted, and increasing a conduction angle of the thyristor till the bus voltage of the thyristor rectification module is established. The thyristor rectification soft start control method is advantaged in that a technical problem that the cost is increased due to the fact that the bus voltage of the thyristor rectification module is established through a soft start circuit is solved.

Description

technical field [0001] The present invention relates to the field of circuit technology, in particular to a thyristor rectifier soft start control method, device and storage medium. Background technique [0002] At present, most thyristor rectifiers such as rectifiers have a soft-start circuit. The soft-start circuit often includes a soft-start switch and a soft-start resistor. The working principle of the soft-start circuit is: when the soft-start switch is closed, the grid voltage is given to the The bus is charged to slowly build up the bus voltage. [0003] However, the bus voltage is established through the soft-start circuit, because the soft-start circuit involves more components, which will lead to an increase in cost. Contents of the invention [0004] The invention provides a thyristor rectifier soft-start control method, device and storage medium, aiming to solve the technical problem of using a soft-start circuit to establish the bus voltage of a thyristor rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/162H02M1/36H02M1/06
CPCH02M7/1623H02M1/36H02M1/06
Inventor 李龙文刘诗敏
Owner SHENZHEN INOVANCE TECH
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