Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application
A series reactor and distribution network technology, applied in the direction of AC network voltage adjustment, electrical components, output power conversion devices, etc., to achieve high-efficiency regulation, precise governance effect, and high precision regulation voltage
Inactive Publication Date: 2016-01-13
陕西中电天源技术有限公司
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[0003] Aiming at the common problems of distribution network power quality in the existing power system, the present invention proposes a high-voltage control system, method and application of distribution network based on magnetically controlled series reactors
The invention has strong innovation, high degree of integration, strong pertinence, ingenious design, and the effect of solving the high voltage problem in the distribution network field is obvious
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[0054] See attached figure 1 , a high-voltage management system for distribution network based on a magnetically controlled series reactor in the present invention includes a high-voltage series input interface unit, a magnetically controlled series reactor, a bypass switch for the magnetically controlled series reactor, an excitation current control generator, Low voltage merged into interface unit and monitoring unit;
[0055] Among them: the energy from the low-voltage side of the distribution network transformer can enter the system through the low-voltage connection interface, and the monitoring unit then decides whether to switch on or bypass the system according to the voltage state of the low-voltage distribution network side. When the voltage on the low-voltage side of the distribution network transformer is higher than the set level value, the monitoring unit responds quickly, controls the opening and closing of the power device, generates a DC excitation current, an...
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The invention discloses a power distribution network high-voltage treatment system and method based on a magnetic control type series reactor, and an application. The system realizes the purpose of high-voltage treatment through one dynamically adjustable reactor adaptively in series connection with the high-voltage side of a transformer of a power distribution network; a power supply of the system comes from a low-voltage system of the power distribution system, the size of system voltages is monitored in real time, and the reactor is switched on and switched off through switching of a bypass switch; and through excitation control, the trigger angle of controllable silicon is changed, accordingly, the magnetic field intensity of a magnetic core directly connected in series to the power distribution network is changed, and the size of inductive reactance of the magnetic control reactor is changed so that the purpose of voltage adjustment of the power distribution network is realized. The power distribution network high-voltage treatment system provided by the invention has the advantages of wide adjustment scope, rapid dynamic response, flexible adjustment property, stable work, direct high-voltage treatment effect, small volume, light weight, convenient installation and maintenance, and the like.
Description
technical field [0001] The invention belongs to the field of power quality control on the side of a distribution network in an electric power system, and in particular relates to a high-voltage control system, method and application of a distribution network based on a magnetically controlled series reactor. Background technique [0002] With the continuous development of social economy and the continuous improvement of people's living standards, people's requirements for power quality are getting higher and higher. At present, in the low-voltage distribution network of the relevant power system, the low-voltage problem at the user end is highly concerned, and the measures for governance and related products , There are many devices, and the overall solution technology is mature; however, less attention has been paid to the problem of high voltage at the user end. At present, there are basically no corresponding mature solutions and measures to solve the problem of excessive ...
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IPC IPC(8): H02J3/12H02P13/00
Inventor刘晓海刘涵洁
Owner陕西中电天源技术有限公司