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CN-122000887-A - Power distribution network differentiation optimizing device based on load prediction and gridding reconstruction

CN122000887ACN 122000887 ACN122000887 ACN 122000887ACN-122000887-A

Abstract

The invention relates to the technical field of power systems, in particular to a power distribution network differentiation optimizing device based on load prediction and gridding reconstruction, which comprises a box body, a wiring assembly, an adjusting assembly, a driving assembly and a partition plate, wherein the wiring assembly comprises a first wiring terminal, a second wiring terminal, a first wire, a second wire, a bracket and four sliding varistors, each sliding varistors is fixed in the box body, each sliding varistors is provided with a sliding block, the first wiring terminal and the second wiring terminal are used for being connected with different energy power supply lines, and the power distribution network differentiation optimizing device can accurately adjust and control the energy supply proportion of each region through independent wiring branches and sliding varistors adjusting units according to different regions of the power distribution network after gridding reconstruction. By combining the load prediction results, the load change requirements of different grid areas can be responded quickly, the differential optimization of one area and one strategy is realized, and the adaptability of the power distribution network to the load distribution difference is improved effectively.

Inventors

  • SU JING
  • CHEN JIAQI
  • SHU XIN
  • CHEN ZHUO
  • LIU FEI

Assignees

  • 国网湖北省电力有限公司随州供电公司

Dates

Publication Date
20260508
Application Date
20260211

Claims (9)

  1. 1. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction is characterized by comprising a box body (1), a wiring assembly (3), an adjusting assembly (4), a driving assembly (5) and a partition board (6), wherein the partition board (6) is arranged in the box body (1) to divide the interior of the box body (1) into two independent areas; The wiring assembly (3) comprises a first wiring terminal (31), a second wiring terminal (32), a first lead (33), a second lead (34) and four slide varistors (36), wherein the slide varistors (36) are fixed in the box body (1) through brackets (35), each slide varistors (36) is provided with a sliding block (37), the first wiring terminal (31) and the second wiring terminal (32) are used for being connected with different energy power supply circuits, each slide varistors (36) are connected with the first wiring terminal (31) and the second wiring terminal (32) through the first lead (33) and the second lead (34) to form independent branches, and the independent branches are connected in series to form a total power supply circuit; The adjusting assembly (4) comprises communicating pipes (41), pistons (42) matched with the sliding varistors (36), first magnetic blocks (43) and connecting rods (44), lubricating liquid (45) is filled in the communicating pipes (41), the pistons (42) are arranged in the communicating pipes (41) in a sealing sliding mode, each piston (42) is fixedly connected with the first magnetic block (43), and the pistons are fixedly connected with the corresponding sliding blocks (37) of the sliding varistors (36) through the connecting rods (44); The driving assembly (5) comprises a motor (51), a screw rod (52), a moving block (53), a vertical rod (54), a second magnetic block (55), an air cylinder (56) and a sliding frame (57), wherein the motor (51) is fixed in the box body (1), an output shaft of the motor is in transmission connection with the screw rod (52), the moving block (53) is in threaded connection with the screw rod (52), the vertical rod (54) is vertically fixed on the moving block (53), the air cylinder (56) is fixed in the box body (1), an output shaft of the air cylinder is in transmission connection with the sliding frame (57), a guide hole matched with the vertical rod (54) is formed in the sliding frame (57), and the second magnetic block (55) is simultaneously sleeved on the vertical rod (54) in a sliding mode and is in sliding connection with the sliding frame (57).
  2. 2. The power distribution network differentiation optimizing device based on load prediction and grid reconstruction of claim 1 is characterized in that a bracket (35) is fixedly connected to the box body (1), the bracket (35) is arranged between each group of first binding posts (31) and second binding posts (32), the communicating pipe (41), the piston (42) and the first magnetic block (43) are positioned on one side of the partition board (6), the second magnetic block (55) of the driving assembly (5) is positioned on the other side of the partition board (6), the first magnetic block (43) and the second magnetic block (55) are opposite in opposite polarity, the piston (42) is driven to slide by the first magnetic block (43) through movement adsorption of the second magnetic block (55), and then the slide block (37) is driven to move through the connecting rod (44) so as to adjust the resistance of the slide rheostat (36), and the current proportion of each energy power supply branch is adjusted.
  3. 3. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction as claimed in claim 1, wherein the number of the sliding varistors (36) is four, the number of the corresponding pistons (42), the first magnetic blocks (43) and the connecting rods (44) is four, and the four pistons (42) are uniformly distributed in the communicating pipe (41).
  4. 4. The power distribution network differentiation optimizing apparatus based on load prediction and gridding reconstruction as claimed in claim 1, wherein the communicating pipe (41) is a hard sealed pipe, and is made of a non-magnetic conductive material.
  5. 5. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction as claimed in claim 1, wherein the first magnetic block (43) and the second magnetic block (55) are permanent magnets, and the adsorption force of the first magnetic block and the second magnetic block is larger than the damping force of the lubricating liquid (45) on the piston (42).
  6. 6. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction of claim 1 is characterized in that the vertical rod (54) and the moving block (53) are of an integrated structure, the cross section of the vertical rod (54) is rectangular, and a rectangular sliding hole matched with the vertical rod (54) is formed in the second magnetic block (55).
  7. 7. The power distribution network differentiation optimizing apparatus based on load prediction and gridding reconstruction as recited in claim 1, wherein the guiding hole on the carriage (57) is a long strip hole, and the length direction of the guiding hole is consistent with the length direction of the screw (52).
  8. 8. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction as claimed in claim 1, wherein the lubricating liquid (45) is insulating heat conducting oil, the motor (51) is a servo motor, and the cylinder (56) is a micro cylinder.
  9. 9. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction, which is characterized in that a box door (2) is arranged on the box body (1), the box door (2) is hinged with the box body (1) through a hinge, and an observation window is arranged on the box door (2).

Description

Power distribution network differentiation optimizing device based on load prediction and gridding reconstruction Technical Field The invention relates to the technical field of power systems, in particular to a power distribution network differentiation optimizing device based on load prediction and grid reconstruction. Background Along with the development of the power system to the intelligent and diversified directions, the operation stability, the economy and the power supply quality of the power distribution network are directly affected by the overall efficiency of the power system as a key link for connecting the power supply and the user. Currently, a power distribution network faces various challenges such as uneven load distribution, various energy supply types, strong randomness of load fluctuation and the like. Particularly, after the distributed energy is accessed in a large scale, the power supply structure of the power distribution network is more complex, the load demands of different areas and different time periods are obviously different, and the traditional power distribution network adjusting mode is difficult to adapt to the operation optimization demands of refinement and differentiation. The existing power distribution network optimization technology focuses on balanced distribution of overall load, lacks accurate adaptation to load characteristics of different gridding areas, and has the problems of response lag, insufficient adjustment precision, complex operation and the like in the aspect of energy proportion adjustment. For example, when the distributed energy supply of a certain area is sufficient or the load suddenly increases, the energy supply proportion of the area cannot be quickly and accurately adjusted, so that the situations of energy waste or insufficient power supply occur. Meanwhile, the existing adjusting device adopts a direct mechanical transmission mode, is easy to be interfered by the environment, and is difficult to ensure the stability of the total power supply current when the multiple branches are adjusted cooperatively, so that the power supply reliability of the power distribution network is affected. In addition, the power distribution network optimization demand based on load prediction is urgent, but the existing device is difficult to effectively combine the load prediction result with real-time energy proportion adjustment, and differential accurate regulation and control based on gridding reconstruction cannot be realized. Therefore, research and development of a differential optimizing device capable of adapting to load prediction and gridding reconstruction requirements, rapidly and accurately adjusting energy supply proportion and guaranteeing stable operation of a power distribution network becomes a technical problem to be solved in the current power distribution network field. Disclosure of Invention In order to solve the technical problems, the invention provides a power distribution network differentiation optimizing device based on load prediction and gridding reconstruction. The power distribution network differentiation optimizing device based on load prediction and gridding reconstruction comprises a box body, a wiring assembly, an adjusting assembly, a driving assembly and a partition board, wherein the partition board is arranged in the box body and divides the interior of the box body into two independent areas; The wiring assembly comprises a first wiring terminal, a second wiring terminal, a first wire, a second wire and four slide varistors, wherein the slide varistors are fixed in the box body through brackets, each slide varistors is provided with a sliding block, the first wiring terminal and the second wiring terminal are used for being connected with different energy power supply circuits, each slide varistors are connected with the first wiring terminal and the second wiring terminal through the first wire and the second wire to form independent branches, and the independent branches are connected in series to form a total power supply loop; the adjusting component comprises a communicating pipe, pistons, first magnetic blocks and connecting rods, wherein the number of the pistons is matched with that of the sliding varistors, lubricating liquid is filled in the communicating pipe, each piston is arranged in the communicating pipe in a sealing sliding manner, each piston is fixedly connected with the first magnetic block, and the pistons are fixedly connected with the sliding blocks of the corresponding sliding varistors through the connecting rods; The driving assembly comprises a motor, a screw, a moving block, a vertical rod, a second magnetic block, an air cylinder and a sliding frame, wherein the motor is fixed in the box body, an output shaft of the motor is in transmission connection with the screw, the moving block is in threaded connection with the screw, the vertical rod is vertically fixed on the moving block, the