A medium voltage distribution network control method and system
A control method and power grid technology, applied in the field of control, can solve problems such as long power outage time and reduce user experience, and achieve the effects of reducing power outage time, improving user experience, and increasing speed
Pending Publication Date: 2019-01-18
STATE GRID JIBEI ELECTRIC POWER COMPANY LIMITED CHENGDE POWER SUPPLY +1
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[0004] In view of this, the present invention provides a medium-voltage distribution network control method and system to solve the problem that manual operation is required during the switching operation of the medium-voltage distribution network in the prior art, resulting in a longer power outage time and reducing the user experience. problem, the specific solution is as follows:
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[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0037] The invention discloses a method for controlling a medium-voltage distribution network, the flow chart of which is as follows figure 1 shown, including:
[0038] Step S11, when the switching operation is started, start the control device;
[0039] In the medium-voltage distribution network, if the switching operation is to be realized, it needs to be carried out in the way of first stop and then transmission, that is, the power is cut off first, and th...
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The inventin provides a medium voltage distribution network control method and system. When switching operation is started, The control device is started to receive the operation instruction sent by the network communication device, analyzes the operation instruction, and determines the operation contents, wherein the operation content at least comprising: not less than one operation device and anoperation sequence for not less than one operation device, and sequentially controls not less than one operation device according to the operation sequence so as to complete the switching operation.At that start of the switch operation, As that control device is started, the power supply situation of the electric load is ensured, in addition, the device to be operated is automatically controlledby automatically analyzing the operation instruction so as to complete the sequential control, the completion of the fast sequential control is realized, the manual operation is avoided, the switching operation speed is improved, the power outage time is reduced, and the user experience is improved.
Description
technical field [0001] The invention relates to the field of control, in particular to a method and system for controlling a medium-voltage distribution network. Background technique [0002] Chengde’s 220kV and above voltage main network operates in the form of a ring network, and the 110kV and below distribution network operates in the form of radiation. The medium-voltage distribution network’s live-loop closing operation will easily cause a large electromagnetic ring network. When the closing current exceeds the allowable value , it is necessary to perform switching operations on the principle of stop first and send later. [0003] However, at present, the switching operation is usually carried out manually. There are usually 3-5 segment switches between the handle feeders, and the distance between each segment switch is different. When the load is transferred to the operation, if a single operation team operates, It is necessary to arrive at the site one by one for ope...
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IPC IPC(8): H02J13/00H02J9/06
CPCH02J9/06Y04S20/12Y04S20/20Y04S20/248Y02B70/30Y02B90/20
Inventor 白雪松周迎伟尹兆磊白少佐袁绍军刘震宇于立强潘立巍贺晓红王宏亮朱亚军高明亮杨慢慢刘嗣萃李海波
Owner STATE GRID JIBEI ELECTRIC POWER COMPANY LIMITED CHENGDE POWER SUPPLY