DC field device control system and method

A technology of equipment control and DC field, applied in the direction of electrical components, circuit devices, parts of emergency protection devices, etc., can solve problems such as failure to complete fault handling tasks in a timely and effective manner, damage to DC field equipment, etc., to improve work efficiency and Economic benefits, eliminate failures, and avoid damage effects

Active Publication Date: 2019-06-14
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a DC field equipment control system and method to solve the problem that the failure to complete the fault handling task in a timely and effective manner, resulting in damage to the DC field equipment

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  • DC field device control system and method
  • DC field device control system and method

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Embodiment Construction

[0050] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than 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.

[0051] In this application, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes no Other elements clearly listed, or also include elements inherent to this process, method, article or equipment. If there are no more restrictions, the element defined by the ...

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Abstract

The invention provides a DC field device control system and method. That scheme comprises: a DC station control device obtains a position state of a primary device and an operation state of a DC protection device, and sends a control command to the primary device. A workstation monitors the position state of the primary device and the operation state of the DC protection device. The primary deviceadjusts the position state according to the control command. In the case of line failure, the DC protection device regulates each pole circuit breaker on the DC bus. Based on this scheme, the workstation can monitor the operation state of the DC field device in real time, so as to obtain the failure position. The operation of the DC field device can be quickly regulated based on the DC station control device and the DC protection device, and the failure can be solved in time or eliminated in advance, the damage of the DC field device is avoided and the working efficiency and the economic benefit of the converter station are greatly improved.

Description

Technical field [0001] The invention relates to the technical field of electrical maintenance, in particular to a DC field equipment control system and method. Background technique [0002] With the introduction of the concept of the Global Energy Internet, there are growing calls for wind and solar power generation to be connected to the grid. However, these renewable energy power generations are intermittent and uncertain, resulting in the failure of the traditional AC grid to be consumed normally. Flexible DC transmission technology can flexibly control active and reactive power and can supply power to weak AC systems. It has become the best choice for solving new energy generation grid-connected and long-distance transmission. The flexible DC transmission adopts a true bipolar structure. There are many DC equipment in the flexible high-voltage converter station and the cost is higher than that of traditional DC transmission. In addition, the failure of DC field equipment ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H1/00H02H7/26
Inventor 安海清李振动贺俊杰刘亚新王珣李金卜田凯哲张晓飞金海望吴淘岳娜柳杨翟永尚滕孟锋董海飞余黎明刘宪辉刘海勇李涛赵凯曼赵佳鑫刘洁范彩杰周紫薇高宏达
Owner STATE GRID CORP OF CHINA
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