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Intelligent JP cabinet, control system and governing method

An intelligent, cabinet-based technology, applied in flexible AC transmission systems, AC networks to reduce harmonics/ripples, AC network voltage adjustment, etc., can solve the problems of small active power suppression, operational risks and heavy operational tasks, and can not be effective Solve the problems of three-phase imbalance in the distribution network, etc., to achieve the effect of increasing the service life, improving the power quality, and expanding the remote control function

Inactive Publication Date: 2018-11-09
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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  • Application Information

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Problems solved by technology

[0006] This application provides an intelligent JP cabinet, control system and treatment method to solve the problem that the traditional JP cabinet has little effect on three-phase unbalanced active power suppression and cannot effectively solve the ubiquitous three-phase unbalance in the distribution network, on-site operation and maintenance, Operational risks and heavy operational tasks caused by operating traditional JP cabinets

Method used

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  • Intelligent JP cabinet, control system and governing method
  • Intelligent JP cabinet, control system and governing method
  • Intelligent JP cabinet, control system and governing method

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Embodiment Construction

[0067] The technical solutions in the embodiments of the present application are clearly and completely described below in conjunction with the accompanying drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0068] In the following description, a lot of specific details are set forth in order to fully understand the application, but the application can also be implemented in other ways that are different from the description again, and those skilled in the art can do similar without violating the connotation of the application Generalization, therefore, this application is not limited by the specific examples disclosed below.

[0069] First, see figure 1 , is ...

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Abstract

The invention discloses an intelligent JP cabinet, a control system and a governing method, and relates to the technical field of power distribution equipment. The intelligent JP cabinet comprises a cabinet body, wherein a three-phase alternating current bus line, a zero line, a wire inlet unit, a voltage measuring unit, a wire inlet switch, a feed line unit, a protection unit, a first current transformer and at least one SVG module are arranged in the cabinet body; when the SVG module completes reactive power compensation and governs the three-phase unbalance, the functions of governing harmonic waves, governing voltage deviation and the like are also realized by the rest volume; the effect of comprehensively improving the electric energy quality is achieved. The intelligent JP cabinet control system can solve the problems of complicated and heavy operation task and operation risk caused by field operation and maintenance and operation of the conventional JP cabinet can be solved.

Description

technical field [0001] This application relates to the technical field of power distribution equipment, in particular to an intelligent JP cabinet, a control system and a treatment method. Background technique [0002] JP cabinet is the abbreviation of new integrated power distribution cabinet. It is a new type of integrated control box that integrates power distribution, measurement, protection, control and reactive power compensation for distribution network in power production. [0003] The traditional JP cabinet is mainly aimed at the reactive power compensation of the distribution network. It adopts a split-phase switching capacitor structure, and its reactive power compensation capacity is constant. However, during the distribution operation process, the reactive power demand of the distribution network is always fluctuating. The reactive power compensation capacity needed at the time is larger, but the reactive power compensation capacity will be reduced at the next m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/26H02H7/22H02H3/08H02J3/12H02J3/18H02J3/01H02J13/00
CPCH02J13/0006H02H3/08H02H7/22H02J3/01H02J3/12H02J3/18H02J3/26Y02E40/10Y02E40/40Y02E40/50
Inventor 张冀覃日升李胜男郭成彭俊臻
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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