WO2021077430A1 - Transformateur d'alimentation électrique 118 kv - Google Patents

Transformateur d'alimentation électrique 118 kv Download PDF

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Publication number
WO2021077430A1
WO2021077430A1 PCT/CN2019/113466 CN2019113466W WO2021077430A1 WO 2021077430 A1 WO2021077430 A1 WO 2021077430A1 CN 2019113466 W CN2019113466 W CN 2019113466W WO 2021077430 A1 WO2021077430 A1 WO 2021077430A1
Authority
WO
WIPO (PCT)
Prior art keywords
low
voltage
iron core
japanese
rubber sleeve
Prior art date
Application number
PCT/CN2019/113466
Other languages
English (en)
Chinese (zh)
Inventor
陈邦栋
杨建�
冒爱丽
桑文磊
Original Assignee
江苏思源赫兹互感器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏思源赫兹互感器有限公司 filed Critical 江苏思源赫兹互感器有限公司
Priority to PCT/CN2019/113466 priority Critical patent/WO2021077430A1/fr
Publication of WO2021077430A1 publication Critical patent/WO2021077430A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support

Definitions

  • the invention relates to the technical field of transformers, in particular to a 118KV power supply transformer.
  • the energy supply transformers in the prior art often use the transformer body to be arranged in the housing, and then the silicone rubber bushing is connected to the body housing.
  • This structure leads to a large transformer volume, which is difficult to install when the installation space is limited. To meet the requirements, but by reducing the insulation distance, the overall stability of the transformer cannot be guaranteed. Therefore, a new structure needs to be designed to reduce the overall volume of the transformer while ensuring the overall performance of the transformer.
  • the technical problem to be solved by the present invention is to address the shortcomings of the prior art, and provide a 118KV energy supply transformer with compact structure and reasonable arrangement, eliminates the shell of the commonly used energy supply transformer, and makes the body directly arranged in the silicone rubber sleeve.
  • the overall volume of the energy supply transformer is reduced, and an arc-shaped low-voltage shielding cover is arranged around the iron core to make the electric field of the transformer more uniform and ensure the stability of the energy supply transformer.
  • the present invention provides a 118KV power supply transformer, which includes a silicone rubber sleeve, a top plate, a bottom plate, a body and a primary lead tube.
  • the bottom plate is arranged at the bottom of the silicone rubber sleeve.
  • the top plate is arranged on the top of the silicone rubber sleeve, the body is arranged in the silicone rubber sleeve and the bottom is fixed on the bottom plate, and the primary lead tube is arranged above the silicone rubber sleeve inner body, The top of the primary lead pipe is fixed on the top plate, and the bottom is connected with the body;
  • the body includes a high-voltage coil, a low-voltage coil, a Japanese-shaped iron core and a circular arc low-voltage shielding cover.
  • the Japanese-shaped iron core is horizontally arranged in the silicone rubber sleeve and fixed on the bottom plate.
  • the low-voltage coil Is arranged on the Japanese-shaped iron core, the high-voltage coil is arranged outside the low-voltage coil, the top of the high-voltage coil is connected to the bottom of the primary lead pipe, and the arc low-voltage shield is arranged on the Japanese-shaped iron Around the inside of the core.
  • the bottom surface of the Japanese-shaped iron core is fixed on the bottom plate through a plurality of support frames, and the low voltage coil is wound on the middle beam of the Japanese-shaped iron core.
  • the number of the arc low voltage shield is four, which are respectively fixed on the inner wall around the Japanese-shaped iron core, the arc low voltage shield includes a circular arc section and a straight section, and the circular arc section is fixed on Above the straight section, the arc section is arranged on the upper surface of the outer frame of the Japanese-shaped iron core, and the straight section is in close contact with the inner wall around the Japanese-shaped iron core.
  • a primary wiring board is installed on the top plate, the primary wiring board is provided with a high-voltage output terminal, and the high-voltage output terminal is connected to the high-voltage coil.
  • the bottom plate is provided with a measuring hole, the measuring hole is arranged below the Japanese-shaped iron core, the bottom of the measuring hole is provided with a bottom cover, and the bottom cover and the bottom plate are detachable connection.
  • a secondary wiring board is further provided on the bottom plate, and a low-voltage terminal is provided on the secondary wiring board, and the low-voltage terminal is connected to the low-voltage coil.
  • an explosion-proof disk is also installed on the top plate, and the explosion-proof disk and the top plate are connected by bolts.
  • the energy supply transformer of the present invention has simple structure, compact and reasonable arrangement, convenient installation, maintenance and maintenance, cancels the shell part in the conventional design of the energy supply transformer, and designs the body directly in the bushing, reducing
  • the volume of the transformer saves the installation space of the transformer, and makes the installation and transportation of the transformer more convenient and safer.
  • an arc low-voltage shielding cover is set in the body to make the electric field inside the body more uniform. Improve the stability of the entire energy supply transformer.
  • Figure 1 is a cross-sectional view of the structure of the energy supply transformer of the present invention
  • Fig. 2 is a schematic diagram of the structure of the body part of the energy supply transformer of the present invention.
  • the present invention specifically discloses a 118KV power supply transformer, including a silicone rubber bushing 1, a top plate 2, a bottom plate 3, a body and a primary lead tube 4 ,
  • the bottom plate 3 is arranged at the bottom of the silicone rubber sleeve 1
  • the top plate 2 is arranged on the top of the silicone rubber sleeve 1
  • the body is arranged in the silicone rubber sleeve 1 and the bottom is fixed
  • the primary lead tube 4 is arranged above the inner body of the silicone rubber sleeve 1, the top of the primary lead tube 4 is fixed on the top plate 2, and the bottom is connected to the body ;
  • the body includes a high-voltage coil 5, a low-voltage coil 6, a Japanese-shaped iron core 7 and a circular arc low-voltage shielding cover 8.
  • the Japanese-shaped iron core 7 is horizontally arranged in the silicone rubber sleeve 1 and fixed in the On the bottom plate 3, the bottom surface of the Japanese-shaped iron core 7 is fixed on the bottom plate 3 through a plurality of support frames 9, the low voltage coil 6 is arranged on the Japanese-shaped iron core 7, and the low voltage coil 6 is wound around On the middle beam of the Japanese-shaped iron core 7, the high-voltage coil 5 is arranged outside the low-voltage coil 6, the top of the high-voltage coil 5 is connected to the bottom of the primary lead tube 4, and the arc low-voltage shield 8 is arranged around the inner side of the Japanese-shaped iron core 7, the number of the arc low-voltage shielding cover 8 is four, which are respectively fixed on the inner wall around the Japanese-shaped iron core 7, and the arc low-voltage shielding cover 8 includes A circular arc section
  • a primary wiring board 10 is installed on the top plate 2, and a high-voltage output terminal 11 is provided on the primary wiring board 10, and the high-voltage output terminal 11 is connected to the high-voltage coil 5 for the output of high-voltage electricity.
  • the bottom plate 3 is provided with a measuring hole, the measuring hole is arranged under the Japanese-shaped iron core 7, and the bottom of the measuring hole is provided with a bottom cover 12 between the bottom cover 12 and the bottom plate 3.
  • Removable connection when the detector body components are needed, after the bottom cover 12 is removed, the detection is carried out through the measuring hole, which is convenient and quick; when the body components are tested, the bottom cover 12 is covered neatly and beautifully without affecting it.
  • the bottom plate 3 is also provided with a secondary wiring board 13, the secondary wiring board 13 is provided with a low-voltage terminal 14, and the low-voltage terminal 14 is connected to the low-voltage coil 6.
  • An explosion-proof disk 15 is also installed on the top plate 2, and the explosion-proof disk 15 and the top plate 2 are connected by bolts.
  • the energy supply transformer of the present invention has simple structure, compact and reasonable arrangement, convenient installation, maintenance and maintenance, cancels the shell part in the conventional design of the energy supply transformer, and designs the body directly in the bushing, reducing
  • the volume of the transformer saves the installation space of the transformer, and makes the installation and transportation of the transformer more convenient and safer.
  • an arc low-voltage shielding cover is set in the body to make the electric field inside the body more uniform. Improve the stability of the entire energy supply transformer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

La présente invention concerne le domaine technique des transformateurs, en particulier, un transformateur d'alimentation électrique 118 KV, comprenant un manchon en caoutchouc de silicone, une plaque supérieure, une plaque inférieure, un corps et un tube de fil conducteur primaire. La plaque inférieure est fixée au fond du manchon en caoutchouc de silicone ; la plaque supérieure est fixée au sommet du manchon en caoutchouc de silicone ; le corps est disposé dans le manchon en caoutchouc de silicone et a le fond fixé à la plaque inférieure ; le tube de fil conducteur primaire a la partie supérieure fixée à la plaque supérieure et le fond relié au corps ; le corps comprend une bobine haute tension, une bobine basse tension, un noyau de fer ayant la forme du caractère chinois "日", et des blindages basse tension d'arc ; le noyau de fer ayant la forme du caractère chinois "日" est fixé sur la plaque inférieure ; la bobine basse tension est disposée sur le noyau de fer ayant la forme du caractère chinois "日" ; la partie supérieure de la bobine haute tension est reliée au fond du tube de fil conducteur primaire ; les blindages basse tension d'arc sont disposés de manière circonférentielle sur le côté interne du noyau de fer ayant la forme du caractère chinois "日". Le transformateur d'alimentation électrique a une structure compacte et un agencement raisonnable, et a le corps directement disposé dans le manchon en caoutchouc de silicone ; ainsi, la taille du transformateur d'alimentation électrique est réduite, et les champs électriques internes et externes du transformateur sont améliorés, ce qui permet d'obtenir une distribution de champ électrique plus uniforme et d'assurer la stabilité du transformateur d'alimentation électrique.
PCT/CN2019/113466 2019-10-26 2019-10-26 Transformateur d'alimentation électrique 118 kv WO2021077430A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/113466 WO2021077430A1 (fr) 2019-10-26 2019-10-26 Transformateur d'alimentation électrique 118 kv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/113466 WO2021077430A1 (fr) 2019-10-26 2019-10-26 Transformateur d'alimentation électrique 118 kv

Publications (1)

Publication Number Publication Date
WO2021077430A1 true WO2021077430A1 (fr) 2021-04-29

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PCT/CN2019/113466 WO2021077430A1 (fr) 2019-10-26 2019-10-26 Transformateur d'alimentation électrique 118 kv

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WO (1) WO2021077430A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202034225U (zh) * 2011-03-08 2011-11-09 江苏科兴电器有限公司 全绝缘带金属外壳的插接式电压互感器
CN108666095A (zh) * 2018-06-23 2018-10-16 南通涵宇新能源电力工程有限公司 一种隔离变压器
CN109300654A (zh) * 2018-11-14 2019-02-01 江苏思源赫兹互感器有限公司 一种118kv供能变压器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202034225U (zh) * 2011-03-08 2011-11-09 江苏科兴电器有限公司 全绝缘带金属外壳的插接式电压互感器
CN108666095A (zh) * 2018-06-23 2018-10-16 南通涵宇新能源电力工程有限公司 一种隔离变压器
CN109300654A (zh) * 2018-11-14 2019-02-01 江苏思源赫兹互感器有限公司 一种118kv供能变压器

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