Control method of fast switching system

A control method and fast switching technology, applied in the direction of program control, computer control, general control system, etc., to achieve the effect of reliable disconnection, system protection, and system stability improvement

Active Publication Date: 2021-04-13
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the above occasions, the switching action time is usually required to be as low as several milliseconds, and the traditional switching equipment can no longer fully meet the needs of use. It is necessary to combine the new type of fast switching equipment to design a switch switching control strategy, which can shorten the switching action time and improve the switching operation. Combined performance, fast fault removal, and reliable disconnection of the line, to achieve system protection and improve system stability

Method used

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  • Control method of fast switching system
  • Control method of fast switching system
  • Control method of fast switching system

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Embodiment Construction

[0039] The following will refer to the attached figure 1 to attach Figure 4 Specific examples of the present invention are described in more detail. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0040] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned thr...

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Abstract

Disclosed are a fast switching system and a control method. In the fast switching system, one end of a circuit breaker QF is connected to the transformer T0 and then grounded, one end of a reactor L is connected to the circuit breaker QF, and the other end is connected to the high voltage end of a fast mechanical switch S; The other end of the fast mechanical switch S is connected to the low-voltage end of the plasma jet trigger switch TSG; the high-voltage end of the resistor divider PT is connected to the high-voltage end of the plasma jet trigger switch TSG, and the other end is connected to the ground, and the Rogowski coil The CT is set on the low-voltage end of the plasma jet trigger switch TSG, the output end of the drive module is connected to the trigger end of the plasma jet trigger switch TSG, the input end of the controller is connected to the measurement signal of the resistance divider PT, and the control The first output end of the device is connected to the drive input end of the drive module, and the second output end is connected to the control end of the fast mechanical switch S.

Description

technical field [0001] The invention relates to the technical field of fast switches, in particular to a control method for a fast switch system. Background technique [0002] As the key control and protection equipment of power system, modern switchgear can shorten the fault duration, quickly restore power supply, and significantly improve system stability and switch performance, which has significant technical and economic significance. With the development of fast control and protection of power systems, the requirements for fast action of switchgear are getting higher and higher. Traditional switchgear, UHV GIS circuit breaker, adopts hydraulic operating mechanism, opening time ≤ 30ms, closing time ≤ 120ms; VS1 type 10kV vacuum circuit breaker, adopts spring operating mechanism, opening time ≤ 50ms, closing time ≤70ms, due to the large size of the mechanical operating mechanism, complex structure, and many transmission links, the shortening of the action time is greatly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 刘轩东李晓昂张乔根
Owner XI AN JIAOTONG UNIV
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