Main bus chamber of ring main unit
A technology of main busbar room and ring network cabinet, applied in the field of ring network cabinet, can solve the problems of lack of a good solution, influence of power supply reliability, and increased probability of power outage, etc., to achieve accurate guidance, small size, and reduction of power outages. the effect of the number of times
Active Publication Date: 2015-05-13
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology
Therefore, the probability of power outage is greatly increased, which has a great impact on the reliability of power supply.
Currently, there is no good solution for this
Method used
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[0025] Such as figure 1 As shown, a main busbar room of a ring network cabinet includes a cabinet top box 10 installed on the top of a switch cabinet 40, two sets of static contact bushings 20 arranged in each cabinet top box 10, and a The shutter device 30 in the box 10 is provided with a cabinet-top box 10 at each position reserved for assembly.
[0026] Such as figure 2 As shown, the inner side wall of the cabinet top box 10 is provided with a grounding bus 101 connected to the grounding device of a special handcart for cabinet assembly, which can ensure the safety of operation and operation. The inner wall of the cabinet top box 10 is provided with a guide rail 102 for guiding and positioning the dedicated handcart for assembling, which can ensure that the dedicated handcart for assembling can find an accurate position when it is pushed.
[0027] Such as image 3 , Figure 4 As shown, each set of the static contact bushing 20 includes a contact housing 201 fixed on the top of ...
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The invention discloses a main bus chamber with a stripping function without power failure of a ring main unit. The main bus chamber comprises a cabinet top box mounted at the top of a switch cabinet, two groups of static contact sleeves arranged in the cabinet top box, and a movable door device arranged in the cabinet top box, wherein each group of static contact sleeve comprises a contact shell fixed at the top of the switch cabinet and a static contact arranged inside the contact shell; the static contact is connected with a main bus in the switch cabinet; the movable door device comprises a bracket, two groups of movable door guide rods arranged on the bracket, two groups of horizontal movable doors which can slide along the movable door guide rods, and transmission pieces driving the movable doors to slide; the two ends of each group of movable door are respectively connected with the transmission pieces; each transmission piece is arranged on the bracket; and when each group of movable door is reset, the static contact sleeves correspond to one another up and down. The main bus chamber disclosed by the invention has the advantages of small size, accuracy for guiding, reliability for transmission, foldable storage of the movable doors, in-position protection, simplicity in operation and reliability in connection.
Description
Technical field [0001] The invention relates to the technical field of ring network cabinets, in particular to a main busbar room of a ring network cabinet. Background technique [0002] In the normal production of power supply enterprises, the main impacts on the reliability of power supply are two aspects: faulty power failure and planned power failure. Due to the improvement of the power grid construction level, the probability of power failure has been greatly reduced. Therefore, reducing the time of planned power failure has become an important factor affecting the reliability of power supply. Planned power outages include power curtailment, capacity expansion, various maintenance and construction power outages. At this stage, as the new fully insulated and sealed ring main unit is put into operation in large quantities, there are more and more opportunities for the ring main unit to be added. The ring main unit requires a power outage operation. The conventional method of ...
Claims
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IPC IPC(8): H02B1/21
Inventor 黄振洲尹引覃文鸿黎业升黄冬喜伍尚显何小宇和力刘起蕊何德仁李志文
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD