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A damping control device and method based on wide-area information of large power grid

A damping control and wide-area information technology, applied in electrical program control, comprehensive factory control, comprehensive factory control, etc., can solve problems affecting the stable operation of the wide-area damping control system, improve operation stability, and avoid delay effects. Effect

Active Publication Date: 2017-02-01
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the help of the wide-area damping control system under the channel connection mode, the control link needs to ensure the stability of the channel, and the delay of the channel will affect the stable operation of the wide-area damping control system

Method used

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  • A damping control device and method based on wide-area information of large power grid
  • A damping control device and method based on wide-area information of large power grid

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Embodiment Construction

[0028] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0029] The application discloses a damping control device based on the power oscillation suppression function of a wide-area power grid, and also discloses a control method based on the application of the damping control device.

[0030] as attached figure 1 Shown:

[0031] The damping control device based on wide-area information of the power grid includes a data processing module that receives wide-area measurement signals, a control logic module that realizes controller algorithms and logic functions, a management module that realizes state monitoring and data sharing, and a recording module that realizes data storage and forwarding. Wave module, switch input module to realize switch signal acquisition, output module to realize control command output, and signal module to meet signal status transfer. The above functional module...

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Abstract

Provided is a damp control device based on large power grid wide area information. The wide area damp control device combines the core control logic function and an electric control device and is arranged at the station end, acquires wide area measurement signals, and transmits the signals to a local control system by adopting a control logic function. The device and the method adopt the modularized hardware structure, avoid the delaying effect of the scheduling far end centralized control mode by means of local control output, and improve the system operation stability.

Description

technical field [0001] The invention belongs to the field of stability control of electric power systems, and in particular relates to a wide-area damping real-time control device based on measurement information of a large power grid and a control application method thereof. Background technique [0002] With the rapid development of the AC-DC interconnection grid, there is a significant mismatch between power generation resources and electricity demand in terms of total quantity and geographical distribution, which inevitably highlights inter-regional interconnection, long-distance large-capacity power transmission, and AC-DC hybrid grid structure. Operation and other characteristics, the transient safety and stability problems and dynamic weak damping problems of AC-DC interconnected large power grids have gradually become the bottleneck restricting the improvement of power grid operation efficiency. Using wide-area measurement data information, construct a wide-area damp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 涂亮熊春晖门锟叶艳军柳勇军王华杨诚廖全飞
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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